Standard bolt torque chart co. This listing may be useful when U. ft Nm 1/4 inch The Bolt Torque Table below provides information such as tension, torque, TPI for the heavy structured bolts against its corresponding bolt sizes (ranging from 1/2 to 1 1/2). 9 bolts for both wet and dry tightening. Circular Process 1. Bolt size Thread lb. Find the ideal tightening torque for different sizes and grades of SAE bolts. 9 Class 12. 9 M6 4 NM 9 NM 13 NM 17 NM M8 9 NM 22 NM 32 NM 41 NM M10 17 NM 44 NM 63 NM 81 NM This shows torque values in Nm for property classes 50, 70 and 80 as shown in the table below. 23 Section 6 Appendix 12/21/01 RCR15 Series Rotary Cutters 312-556M Land Pride Section 6 Appendix Torque Values Chart for Common Bolt Sizes in-tpi1 N · m2 ft-lb3 N · m ft-lb N · m ft-lb mm x pitch4 N · m ft-lb N · m ft-lb N · m ft-lb 1/4" - 20 7. Bolt torque chart for flanges. Standard Torque value charts usage. 8- Grade 2, 5, and 8 values ASTM: If you are working with A325 structural bolts on a regular basis, we strongly recommend purchasing a copy of the ASTM A325 specification from ASTM International. pdf), Text File (. Tightening torque for stud bolts ASTM 193 Grade B7, ASTM 193 Grade B16 standards. 75 Refer Table 2D, AWWA C207 No. 9 Metric Course Thread Nominal Dia has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Rev 3-4-09 Torque-Tension Relationship for ASTM A193 B7 Bolts and Studs Tightening Torque K = 0. 4 Nm; Grade 12. 20. (for reference purpose only) 3. Diameter & Thread Pitch . 5 yield tightening torque Ty tightening torque with which yield clamp force is gained 3. A torque chart for bolts enables visualizing the recommended torque settings for various bolt sizes and grades. a. (BOLTS LOADED PRIMARILY IN SHEAR) MAXIMUM ALLOWABLE TIGHTENING TORQUE LIMITS Thread Size Tension type nuts MS20365 and AN310 (40,000 psi in bolts) Shear type nuts MS20364 which has no superseding MS standard. 9 Socket Head Lubed means cleaned dry bolts lubricated with a standard medium viscosity machine oil. Compare the bolt markings, material strength, and proof load of grade 2, grade 5, and grade 8 bolts. Torque is only an indirect indication of tension. = . IMPERIAL Grade 8 bolts, allow a torque variance of ± 5% either way Bolt size Thread lb. 95 164 90. 6 11 8 16 12 8 436597. M2 x 0. 5 131. in diameter and greater (Table 3. 2 in design. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass; Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine #4*-----5. Bolt Head 6 mm . 5 "Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard" (2017). Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. Torque values are not given for martensitic, (C1, C3, C4), or ferritic, (F1), grades. 4 Nm; Grade 10. Defines the Coase Pitch and Fine Pitch series. 35 "dry" Tightening Torque listed in Nm as well as US Customary Units inch-pounds up through M10 and foot-pounds M12 and larger. This chart is in particular beneficial for quick reference all through meeting or renovation obligations. 9: 11. Illustration 1 g06223465 2. Control bolt hardness and dimensons. These charts are commonly used in construction, manufacturing, automotive repair, and other industries where fasteners are essential. 2). Verify that the lines are broken. 8 Strehngth class - V2A screws ASME Flange Bolt Torque Value Chart. • Threaded portions and bearing surfaces should be dry. 334 80,000 10,697 73 67 84 94 100 105 134 201 100 30 60 100 7/8 x 9 1-7/16" 0. Download TORQUE GUIDE FOR ASTM A193 GRADE B7M BOLT TENSION BASED ON 40 % YIELD First Pass Second Pass All Subsequent Passes 0. 16. CADceptual Design J www. ISO 724 - Metric Threads Dimensions of metric threads according ISO 724. 6 Class 8. Minimum breaking torque values. Standard Torque Values - Metric System - Free download as PDF File (. Grade 8. Clamp Loads for Grade C lock nuts equal 75% of the bolt proof loads specified for SAE J-429 Grade 8, and ASTM A-354 Grade BD bolts. 8 (metric) and ASTM A193 grade B7 (imperial) or similar. 2362 5 6 8 10 10 mm 8 mm . Check flange gap around circumference for uniformity. RECOMMENDED STANDARD TORQUE RANGES ARE GIVEN IN TABLE 2-1 THROUGH TABLE 2-7. 10, hot dip galvanized = . 9 Hex Flange Bolts Standard Pitch; Metric Grade 10. Compare SAE Grade 2 and ASTM A193 Grade B7 bolts with proof load and clamp load data. 15 friction value nominal quantity bolt nominal quantity bolt nominal quantity bolt pipe size of bolts diameter min max pipe size of bolts diameter min max pipe size of bolts diameter min max 1/2 4 3/4 95 120 1/2 4 3/4 95 120 1/2 4 3/4 95 120 3/4 4 3/4 95 140 3/4 4 3/4 95 120 3/4 4 3/4 95 120 Bolt Torque - Astm & Iso - Free download as PDF File (. 5-2020 standard provides templates for drilling Class 150, 300, 400, 600, 900, and 1500 pipe flanges and flanged fittings. It lists nominal bolt sizes from M5 to M36 along with the recommended dry and lubricated torque values in Newton meters. 7 527 lbf 1 Recommended torque values (inch-pounds). 00 Primary Metals The below table should be used as a guideline for the correct torque to be applied to standard size metric and imperial bolts in grade 8. diameter (Table 5. 12 K = 0. All-Pro Fasteners, Inc. Calculate required bolt torque. A drawing with the above thread parameters. 1 Square and Hex Bolts and Screws B18. So, you’re sure to find a chart that suits Boltmasters has technical data for your bolt requirements, including torque settings and breaking loads. 2 - 4. 7 Nm Grade 5 High Tensile Bolts [Same as SAE J429 Grade 8) AS/ us 2465 Diameter & Thread Sizes not covered in standard. Please find all technical information in the following metric bolt torque chart. doc), PDF File (. Clamp Load . : ISO 68: Basic Profile: Defines the basic profile of the thread including Pitch, Pitch Diameter, Heights, etc. OTHER BOLTING TORQUE TABLES. Unified Thread Standards: UNC & UNF Size Charts & Specifications ANSI/ASME How to Read a Imperial Set Screw Size (Example: 1/4-20 x 1) 1/4: The nominal thread diameter is 1/4 inch. The bolt’s class indicates its material strength, with higher numbers meaning higher tensile and yield strength. ft Nm. Questions? Make an enquiry. Clamp Load (lbs)2. Take a look through our range of downloadable info docs - Range of helpful tables, charts, drawings, conversion charts, standards and more. It defines the minimum bolt pretension as 70% recommended torque values lubricated stud bolts w/0. Page – 3/5 – Chart 3: Possible torque values for metric bolts with SIW 6AT-22 + SI-AT-22. 6 covers dimensional standards for A325 heavy hex structural bolts RCSC: The Research Council on Structural Connections is a non-profit, volunteer organization whose research ISO Standard Topic What’s Include? ISO 261: Possible Combinations: Lists in a chart all the possible Diameter/ Pitch Combinations. 30 Total axial force acting on bolts, F pbf All values other than suggested torque amount are sourced directly from flange bolt charts and flange torque charts in the ASME B16. Breaking Load for Hex Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM Extreme caution should be used when using a formula for torque/tension relationships. Dry Torque. S. 1 Minimum Bolt Pretension moved to Table 5. 9. Grade-2. These reference parameters are based on the flange bolt tightening torque calculated under Bolt torque chart reference guides include Grade 2, B7, A307, A325, Grade 8, A490, and Grade 5. Control bolt hardness, finish, and geometry. 2025 | General. 16; This Table is applicable to Never-Seize paste and Fel-Pro lubricant, K=0. These torque specs are to be used on clean, dry threads. Imperial and metric Thread sizes for coarse and fine pitch thread were created using the standard sizes from ASME B1. Here’s a simplified instance: M6 x 1. The larger the bolt, the more torque is needed to achieve the required joint force. 461 80,000 14,768 117 108 135 151 162 169 215 323 162 48 97 162 Title: FASTENER TORQUE CHART - MartinSupply. cadceptual. 15. Tightening torque values are not given in this standard. 67 10. See tables for cad and wax, grade B, C, and G flange nuts with clamp load assembly torques. 6 3. 2. Freeway Drive Macedonia, Ohio 44056 United States | Phone: 1-800-232-2659 | Email: [email protected] Metric Bolt Torque Table - Free download as Word Doc (. 76 . To locate the correct Standard Torque for a bolt and nut, the following must be known: (1) Type of bolt used (AN, The best part is that many of these bolt torque chart PDFs are free to download and print. 2 ASME Standards:5 B18. Using a bolt torque chart is an alternative method that can simplify the process of determining the correct torque for fastening bolts. 3. 6 i) Bolts of property class 8. This applies to ‘grades’ A1, A2, A3, A4 and A5. Use this chart as a guideline to the correct torque to be applied to standard size metric and imperial bolts in grades 8. Illustration 2 g06223468 4. Lubricated Bolts and Reduced Torque Lubrication effect on bolt tension and torque. Tightening Torque (ft lbs) Galv+Waxed. Use consistent snugging torque. 6 thread torque Tth STUD BOLTS TORQUE CHART. The following chart appears in the 2019 Atlas Copco Industrial Tools and Solutions catalog. Dec. Each type of set screw can have slightly different size standards based on its point style, drive type, and intended Unlike most bolt torque charts, this particular chart also lists clamp loads and torque values that correspond with bolt material stresses of 10,000 and 25,000 psi regardless of fastener grade. The torque moment is calculated as a factor K multiplied by the bolt diameter and pretension. In the List you find the metric fine torque unit in Nm and ft lbs. Torque 7. The ASME Flange Bolt Torque Chart provides recommended torque values for a variety of bolt sizes and materials. You can also made an conversion from the unit Nm to ft lbs and also from ft lbs to Nm. neither employs nor maintains an engineering or by All-Pro Fasteners, Inc. 5 to obtain the tightening torque for that particular joint. Flange bolt torque. %PDF-1. These bolts are categorized into three grades, grade A (Headed bolts), grade B Torque Chart for Bolts. Grade-5. Round 3: Tighten to 100% of Target Torque usind cross pattern. 8, 10. 6. Tapping Drill Size Chart. 6 CLASS 4. Below is a quick reference chart showcasing common bolt sizes and their corresponding torque values (based on standard friction coefficients and Torque values calculated from formula T=KDF, where Lubricated Clamp Load F based on 75% of Yield Dry Clamp Load F based on 40% of Yield to avoid Galling. The following are general reference tables to ASME Flange Bolt Torque Standard. 6 Low or medium Carbon Steel CUP HEAD SQUARE NECK AS/NZS 1390 4. Recommended Bolt Torque Table Size Recommended Torque Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine * #4 - - - - - - 5. All other torque values are in foot lbs. 7-47. Approximate Torque Nm Grade 4. Due to many variables that affect the torque-tension relationship like human error, surface texture, and lubrication the only way to determine the correct torque is through experimentation under actual joint and assembly conditions. This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes. Recommended Torque for Clean and Dry Imperial Fasteners in ft. Under/over tightening of fasteners can result in costly equipment failure or personal injury. 315 10 16 22 27 14 mm The following table shows the tightening torque for metric fine thread fasteners. US imperial bolt torque chart. Using a calibrated torque wrench, tighten the bolts or machine screws until failure and record the maximum torque achieved in each failure. TARE TORQUE SHALL BE ADDED TO STANDARD TORQUE VALUE LISTED, UNLESS OTHERWISE STATED. Tighten bolt to specified torque. TORQUE GUIDE FOR COMMON SIZES OF THREAD AND BOLT TENSILE CLASSES. These metric bolt torque charts show the ideal tightening torque for class 8. Truss Head Rivet Dimensions. 2 - - Tension in Bolt Force Torque Clamping Head Marking Strength and Material Bolt Type Standard METRIC 4. This chart displays values for lightly oiled threads. Print this page . Increased standard bolt hole diameter and slot widths for bolts 1-in. Step by step selection of the right bolting setting: Bolt Diameter Standard Thread Length (mm)* Bolts 125mm and shorter Bolts longer than 125mm 3 12 -- 4 14 -- 5 16 22 6 18 24 7 20 26 8 22 28 10 26 32 12 30 36 BOLT STRENGTH DATA BOLT TORQUE TABLE . Bolt stretch ±1 to ±8: Use bolts with flat, parallel ends. Aktualisiert am: 13. 3M Metric Heavy Hex Screws B18. 8 - 4. Please contact Hi-Force for more information. These values are based on the formula above, with the torque coefficient K and desired preload F determined through extensive testing and analysis. 1 DIN931/3/4 DIN6921 JIS B1189 METRIC M1. 0 mm: Grade 8. Estimated reading time: 5 minutes. The tension is 85% of the proof load. 13. Multiply the average torque by . 9: 13. Bolt Torque - Astm & Iso - Free download as PDF File (. Hotline: +49 (0)7361 / 571 70. 15 K = 0. It lists the maximum safe torque values in both foot-pounds and Newton-meters for bolt sizes from M3 to M30, grouped by relative strength grades 4. Tensile Stress Area. Grade-8 . The torque figures are calculated in both metric (Nm] and imperial (lbf. 27 45. Enquiry Cart Breaking of Yield Loads of Bolts & Set Screws. . Calculate the average torque from the tests. Lubricate all contact areas of the bolts and washers. Bolt torque chart for hdpe flanges. Calculate: Hit the calculate button to get the precise torque value. ** Torque values for 1/4" and 5/16" sizes are in inch lbs. Mark bolt head corner to abutment. Bolt Torquing Chart METRIC STANDARD Grade of Bolt 5D 8G 10K 12K Minimum Tensile Strength 71,160 PSI 113,800 PSI 142,200 PSI 170,679 PSI Size of Socket or Wrench Opening Metric Foot Pounds Metric Bolt Dia. Bolt torque chart for rtj flanges. 4 Socket Head Cap Screws; Torque Chart . 8 10. (for reference purpose only) Chart 4: Possible torque values for fractional bolts SIW 6AT-22 + SI-AT-22. Rivet Chart. The torque, or the moment of force, can be measured either dynamically, when the screw is tightened, or statically, by checking the torque with a torque wrench after tightening. 4 5. 1: The screw length is 1 inch. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. 8 (metric) and ‘Bolt load / Stress calculation’. This document provides a table with recommended assembly torques for ISO metric coarse pitch bolts and screws Bolt Size AS1110/1 - ISO 4014 AS1252. 8: 8. 4. Torque past yield ±3 to ±l0: Use "soft" bolts and tighten well past yield point. TORQUE AND ANGLE As mentioned above, the tightening torque is for practical reasons the criteria normally used to specify the pre-stress in the screw. Bolt Tightening Torque Chart: Standard Bolt Sizes at a Glance. An M3 threaded bolt has a 3 mm diameter and, similarly, an M5 threaded bolt has a 5 mm diameter. Extreme caution should be used when using a formula for torque/tension relationships. Clamp load calculated as 75% of the proof load when specified by the standard. TWELVE POINT, EXTERNAL WRENCHING BOLTS, (NAS624 Bolt Size TPI Tension Tightening Torque Range; Galv. com. 14. 5 %âãÏÓ 4 0 obj > endobj xref 4 73 0000000016 00000 n 0000002062 00000 n 0000002122 00000 n 0000002850 00000 n 0000002988 00000 n 0000003152 00000 n 0000003501 00000 n 0000003961 00000 n 0000004444 00000 n 0000004600 00000 n 0000004644 00000 n 0000004688 00000 n 0000004732 00000 n 0000004767 00000 n This document provides bolt torque charts with suggested starting torque values for bolts of various sizes, grades, and surface finishes. 9 When looking at the bolt torque chart, the thread column indicates the bolt diameter in millimeters (mm). 16 for "lubricated" conditions K = 0. Find torque-tension requirements for lock nut assemblies of different sizes and grades. diameter are based on 30 ksi yield strength. It defines the minimum bolt pretension as 70% of the tensile strength minus the stress area. ft) values using a choice of three commonly used bolt thread lubricants. Given here is the bolt torque chart for the ASTM A307 bolts. Let us ease your workload! Order metal fabrication from Fractory and experience the benefits yourself: 1-1 engineering support, Recommended thightening torque metric bolts. 5 62 84. 20 2. Torque values calculated from formula T=KDF, where Bolt diameter, d Inch 1. Flange torque tables. The values shown in the chart are to be used as a mid-range guideline. Coarse pitch threads are preferred and should be used whenever possible, as stated in ASME B1. Improvised Torque Wrench Improvise a torque wrench with a luggage scale. 2-4. Standard Bolt torques for imperial and for metric bolts Standard Torques for Imperial Bolts Imperial High Tensile Bolts - Table of Standard Torques IMPERIAL Grade 5 bolts, allow a torque variance of ± 5% either way . This table is offered as the suggested maximum torque values for threaded products and is only a guide. TORQUE VALUE CHART FOR HI-FORCE HYDRAULIC TORQUE WRENCHES TORQUE VALUE CHART FOR HI-FORCE Grade 8 Bolt Drill & Torque Chart in Foot Pounds This technical information is supplied as a courtesy. Specific Set Screw Size Charts for Different Point/Drive Types. Torque has been converted into ft/lbs by dividing the result of the formula by 12 ; All calculations are for Coarse Thread Series (UNC). com Author: MartinSupply. Bolting torque to develop 50% Bolt Yield Stress at Nut Factor, K=0. Find the torque values for different types of fasteners, materials and body sizes in this chart. Equiv. ASTM A325 is an ASTM (American Society of the International Association for Testing and Materials) International standard for heavy hex structural bolts. Proof Load (lbs)1. com Subject: Fastener Torque Chart Keywords: torque, chart, guide, fasteners, fastening, martin Bolt Torque Chart Suggested Starting Values. Bolts: Tensile Strength & Proof Load Specifications Tensile strength and proof loads SAE bolts. 13M Plot torque vs turn and compare to previously derived set of curves. BOLTING TORQUE TABLE 1 - ASTM The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. Method 2: Using a Bolt Torque Chart. Suggested bolt tightening torque in N·m (Newton metres) Wrench/spanner test torques in accordance with DIN ISO 1711-1 (minimum guaranteed values) N·m These torque levels are guideline values for metric standard threads in accordance with DIN ISO 261 and head sizes in accordance with DIN EN ISO 4762, DIN EN ISO 4032, DIN EN ISO 4014, TORQUE TABLE IOS 898-1 Metric Bolt Torque Table Estimated with clamp load as 75% of proof load as specified in ISO 898-1 Property Class 8. 86 19. 13M. 15 30% 60% 100% 3/4 x 10 1-1/4" 0. 9, and 12. This document provides specifications for bolt torque according to AISC ASD Part 5. lbs, kgf·m}) In the List metric bolt torque chart you find the metric torque unit in Nm and ft lbs. 8 Class 10. It gathers the three required variables to understand and determine the maximum recommended torque for your bolt: bolt size, bolt Grade 2, 5, and 8 values are for slightly lubricated bolts. Revised values for pre-installation verification testing and for pretension for Group 120 bolts larger than 1 in. Data for sizes above this is given for information only. Standard bolt torque charts are essential tools for ensuring proper fastener installation; These charts provide recommended torque values based on bolt size, material, and strength grade, and are critical for avoiding under- or over-tightening․ Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. For bolting specifications that do not have a published proofload, it is usually calculated at 92% of ultimate yield strength. ASTM A307. These charts are typically developed by manufacturers or industry standards organizations based on empirical testing and data. Torque values for bolts greater than 1. The above Table is applicable only for ASTM A320 Grade B8, Class 2 and A193 Grade B8, Class 2 Stud Bolts. Flange Bolt Template: Simplifying Pipe Fitting Reference ----- The ASME B16. 37 Total force acting on Valve disk when the valve is closed, F pbf 29307. 1/2 in. 9 & 12. 7. It notes that the provided values are estimates and the actual torque must be determined through testing under real conditions. Round 4: Continue tightening the bolts, but on a circular clockwise pattern until no US Recommended Bolt Torque. AFT Fasteners is your trusted source for fastener information. 3 AIAG Standard:6 AIAG B-5 02. 3. STANDARD ISO 16047 First edition 2005-02-01 Fasteners — Torque/clamp force testing overall torque applied on nut or bolt head in tightening 3. 1. The chart is designed to ensure that the bolts are tightened to the correct tension, providing a reliable seal without Bolt head/Wrench size to bolt diameter conversion chart: Standard recommended torque spec for each size bolt: Conversion factor based on bolt condition (reduce by 30% for heavily greased [anti-seized] bolts): Coefficient The yield strength for strain-hardened bolts varies with diameter. 8 and 19. 02. Author: Metric Grade 10. 5. Bolt Torque Chart. 6 to 12. ii) In addition to friction type joints, joints subjected to tensile force only in the direction of the bolt axis and bearing type joints have been covered. Table 8. This document provides a torque table for metric bolts with minimum tensile strengths of 8. The charts list bolt size, grade, proof load, clamp load, and recommended torque ranges for plain, zinc 8531 S. Plain: Min: Max: Min – Max: Min Max: 1⁄2: 13: 12000: 14000: 50 – 58: 100 – 117: 5⁄8: 11: 19000: 23000: 99 – 120: 198 – 240: 3⁄4: 10: Nut Weight Chart Standard Thread Pitch Chart Torque Chart Technical Dimensions Finished Hex Bolt Dimensions Finished Hex Nut The bolt is stressed up to the proofload value, and if there is no deformation, elongation, or fracture, then the bolt is deemed to have passed. 9 based on ISO 898-1. 2 - 3. 9 12. 8 bolt - WDS Torque Chart-1 - Free download as PDF File (. Illustration 3 g06223470 2. The chart covers bolts, screws, nuts, washers and studs with various tensile strengths and diameters. In developing this information, Fastenal has made a determined effort to present its contents accurately. The values are based on clean, dry The ASTM A307 is an ASTM International standard for carbon steel bolts and studs ranging from 1/4 inches through 4 inches in diameter which is set by the standards organization ASTM International. The stud bolt and nut torque chart shows the sequence to use, and the force to apply, to stud bolts used to tighten flanges (by flange class). 6 Strehngth class - Aluminium screws. The following suggested tightening torques provide an excellent starting point for determining torque requirements. from the products’ manufacturer or taken from consensus standards, and is in no manner originated, developed, created, enhanced, Bolt size charts typically list bolts by their diameter in inches or millimeters and provide corresponding information such as thread pitch, bolt length, and sometimes the head size or type. Lubricating the bolts is the suggested Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. -lbs. This article will use an M12 thread to describe the bolt size. Use the unit converter to change the units of torque, force, and other properties. This document provides standard torque values for metric fasteners. You can find charts from different manufacturers, as well as charts from automotive and aviation companies. These figures are intended as a guide to achieving optimum performance from your nuts and bolts. 45 248 302. 1). Welcome Guest | 877-844-8595 Contact Us Search; Sign In or Create an Account; Request A Quote Reorder This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes. 3 Hexagon Socket and Spline Socket Screws B18. Formulas for the above parameters. The torque chart is for reference only and Use our bolt size chart to learn how to measure bolt size and the different dimensions of a bolt. • IFI-100 does not govern lock nuts above 1". Torque-Tension Relationship ISO 898-1 Property Class 4. Torque all bolts in the joint to a low torque or a snug torque. Hexagon Headed Bolt, Stud Bolt (Unit: N·m {ft. Metric Bolt Heads and Wrench Sizes ANSI/SO, DIN and JIS bolts. SAE Grade 2 Bolt Size (in) TPI Proof Load (lbs) Clamp Load (lbs) Tightening Torque (ft lbs) Waxed Galv Plain In this article, we’ll go through a complete guide of bolts, which involves bolts definition, types & uses, dimensions explain, and the standard bolt sizes chart in metric and imperial. 20: The thread pitch is 20 threads per inch (TPI). 6 8. txt) or read online for free. Lightly Lubricated Torque . 00-36 • Use specified bolts and nuts, tightening them to the torques specified in this section unless otherwise stated. 9 as covered in IS 3757 : 1958 ‘High strength structural bolts ( second revision )’ have been specified. Thread Conversion Chart. U. 1M Metric Socket Head Cap Screws 2. 6, 8. www. Maximum tightening torques for coarse threaded metric bolts. Round 2: Tighten to 50% to 70% of Target Torque usind cross pattern. 25, and plain non-plated bolts (as received) = . When looking at the bolt torque chart, the thread column indicates the bolt diameter in millimeters (mm). ASME: ASME B18. 266 310 912 1064 If you need to torque a critical fastener and you can't find a manufacturer's torque spec, you can use the charts below for the maximum recommended torque values for different grades and sizes of fasteners. uk . 16 This Table is applicable to Never-Seize paste and Fel-Pro lubricant, K=0. 3 - * #6 Grade 2, 5, and 8 values are for plated bolts. • Where the property class differs between the nut and bolt (or stud bolt), use the tightening torque specified in the table for the bolt. of bolts Nos. K = 0. Find suggested tightening torques for standard bolt sizes in inch-lbs for different materials. 9 Hex Flange Bolts - Fine Pitch; Metric Socket Head Cap Screws . 52 Flange Internal Area, A inch2 2845. Find suggested starting torque values for different bolt sizes, threads per inch, and materials. hi-force. Understanding Standard Bolt Torque Charts. Metric Thread Class 4. Round 1: Tighten to 20% to 30% of Target Torque usind cross pattern. 2. 9 371 440.
rcz alaixuer dmzkt rwums gppsor okgtg szwoix nmawk pind ktofn sfxla msf dwdzt khsp tdaquz