Bolt torque chart pdf. - Electrodeposited zinc and lubricated prevailing-torque all-metal nut specifications from M4 to M36. Knowing the right torque for your application is critical. 7M Metric Heavy Hex Structural Bolts. It includes bolt torque tables with nominal sizes and thread pitches listed alongside the recommended torque in dry and lubricated conditions. 022,5 58,42 51. We would like to show you a description here but the site won’t allow us. 14, 0. 2. Torque Charts Find detailed torque charts for various tools and applications, ensuring accurate and reliable torque specifications for your projects. Ideal for mechanics, engineers, and DIY enthusiasts, it helps prevent over-tightening and mechanical failure. mfindllc. txt) or read online for free. 18 or 0. 627,0 71,30 0,14 26. Guidelines are given for properly The document provides a torque specification chart with torque values in inch-pounds and Newton-meters for various bolt sizes, grades, thread types, and lubrication conditions. Additionally, it notes that torque values should be decreased by 15-25% for lubricated or plated bolts. Bolt Torque Chart showing suggested torque values and corresponding bolt clamping forces for various sizes and specifications of fasteners. 078,8; 62 Jan 22, 2026 · This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes with Chart + Calculator. bolt size—including 1/2 bolt torque, 5/16 bolt torque, and 3/8 bolt torque—with clear tables for coarse and fine threads in Grades 2, 5, 8, stainless, brass, and bronze. Dec 10, 2025 · Find torque specs for every major U. 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. Threads Thread data - metric, unified, ACME and others. If it is not accurate, it may cause failure of the component and joint via bolt shearing (sliding apart) or tensile failure (pulling apart). com | www. A formula is presented for calculating an initial target torque based on these factors. Suggested Starting Values The below estimated torque calculations are only offered as a guide. Torque values are calculated giving way to preliminary data tables. 1. 8 Property class 8. - Metric Metric Bolt Torque Specifications Was this article helpful? Torque Specifi cation Chart Allied Systems Co. Here we propose a longitudinal risk assessment for adverse neonatal outcomes in newborns based on a multi-task deep learning model that uses electronic health records Calculating Tightening Torque A common question asked is for the recommended tightening torques of a bolt. The importance of correct bolt tightening cannot be over emphasized. TORQUE ESTIMATING CHART ASTM A193, GRADE “B7” STUDS | LUBRICANT: MOLY PASTE | NUT FACTORS (K): 0. The document discusses factors that determine proper bolt torque specifications, including the materials of the bolt and nut, thread engagement length, bolt tensile stress area, pre-load force, and a nut "K factor". xls Bolt Torque Chart - Free download as PDF File (. Mechanics The relationships between forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more. Enhance your projects with detailed dimensions and compatibility information. Proper torque application is critical for the integrity and safety of mechanical assemblies, preventing issues such as bolt failure, loosening, or damage to the components being What Is a Standard Bolt Torque Chart? A standard bolt torque chart is essentially a table that lists the recommended torque values for bolts of various sizes and grades. reserves the right to make changes to new equipment without incurring the obligation to make such changes to equipment previously manufactured. Guidance for lubrication, finish, and usage. These torque calculations are estimates and are only offered as a guide, because there are many variables that affect the torque tension relationship, the only way to determine the correct torque is through experimentation under actual joint and assembly conditions. Under/over tightening of fasteners can result in costly Jan 14, 2000 · Minimum torque required per bolt (foot pounds) to arrive at the minimum gasket stress shown in the previous column. Bolt Torque Chart - Free download as PDF File (. *** ACTUAL TORQUE VALUES TO BE DETERMINED BY USER Reference torque chart for socket screws in inch and metric sizes. 13M Coarse Series. Download a pdf document with tables of suggested assembly torque values for different bolt grades, diameters, threads and tensile strengths. 840,6 88,87 0,10 32. If lubrication is to be applied to the nut/bolt,multiply the recommended torque by the appropriate factor shown in the table on page 7. 9 for Metric. pdf), Text File (. 1 ( ) Sizes not covered in standard. Hex Bolts Tensile / Yield / Shear Strength Tightening Torque Not to be used for structural fasteners or structural applications. Metric Bolt Torque Chart Large - Free download as PDF File (. Different lengths of thread engagement were analyzed for the five most common materials used at GRC. Discover essential torque specifications with our comprehensive Bolt Torque Chart. Available in PDF and print formats for easy reference in any workshop. TORQUE TABLE IOS 898-1 Emirates Modern Industrial Area Umm Al Quwain, UAE sales@mfindllc. TABLE OF STANDARD TIGHTENING TORQUES Use specified bolts and nuts, tightening them to the torques specified in this section unless otherwise stated. Grade 8 Bolt Drill & Torque Chart in Foot Pounds This technical information is supplied as a courtesy. Thanks to the internet, you can find a variety of bolt torque chart PDFs online for free to download and print. Jan 8, 1993 · Eurocode 3 Table of design properties for metric hexagonal bolts M5 to M39 (stress area, shear strength, tensile strength, bearing strength) Description: Design aid - Table of design properties for individual metric hexagonal bolts including stress area, yield strength, ultimate strength, shear resistance, tensile resistance, interaction between shear and tension, bearing resistance, punching Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. 3. 767,2; 44,25 46. 867,3 73,89 47. Torque-Tension Relationship for A307A, Grade 5, 8 & 9 Bolts The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Mar 27, 2025 · Get the free standard bolt torque chart PDF for Australia. The document provides a comparison of SAE and Metric bolt grades, listing their respective grades and torque specifications in lbs/ft. The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. This document provides bolt torque charts with suggested starting torque values for bolts of various sizes, grades, and surface finishes. Discover the essential tool for any assembly job: our Bolt Torque Chart. com This document provides torque and tension specifications for various bolt sizes and materials, including: - Coarse and fine thread bolt sizes from 1/4" to 1-1/2" in diameter made of steel grades 307A, 5, 8, and 9. Notes indicate that torque values are based on pressure class and operating conditions, and flexitallic does not recommend bolt TORQUE GUIDE FOR ASTM A193 B7M REQUIRED TORQUE (FtLbs) 4,440. The chart covers bolts, screws, nuts, washers and studs with various tensile strengths and diameters. ) Proof Yield Tensile Elong % Load Strength Strength Min Min (ksi) Min (ksi) Min (ksi) TORQUES LISTED ARE SUGGESTED VALUES FOR PARTS THAT CARRY RESIDUAL OILS FROM Metric Bolts, Screws & Nuts: Tightening Torques Grade B7 Studs Torque Chart At 100% Of Yield Strength Grade B7 Studs Torque Chart At 70% of Yield Strength How Do I Calculate Torque For ASTM A193 B7 Bolts? Torque tolerance + 0%, -15% of torquing values. 809 To convert Nm to lbft - multiply Nm by 0. . Oct 4, 2020 · 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 factor indicates bolt condition (k factor indicates dry, vs lubed, vs greased, etc), koken chart is based Boltmasters has technical data for your bolt requirements, including torque settings and breaking loads. S Recommended Bolt Torque Table * Sizes from 4 to 10 are in·lb Sizes from 1/4 up are in ft. It details torque values for various bolt sizes across different grades, including Grade 2, Grade 5, Grade 8 for SAE and 8. Torque values are given for minimum and maximum gasket seating and assume alloy steel bolts with oil/graphite lubrication. Determining the correct torque can however present problems. 9 Metric Course Thread Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. (3) Garlock's minimum recommended gasket stress (psi) for GYLON, GRAPH-LOCK and compressed sheet products. The chart provides guidance on the amount of torque required to achieve a Fasteners Bolts, nuts and threaded rods - torque, tension and loads. Easy to download and use for your projects. Earnest has prepared this guide to assist you in determining the right torque. lb ** Fine thread figures are for 1 - 14 Grade 2, 5, and 8 values are for plated bolts. ft) values using a choice of three commonly used bolt thread lubricants. 2、 The above data is German industrial standard, torque for bolt to yield limit when 70%. 3、 Advice about torque: in accordance with 70-80% of table datas,when locking bolts. UNC and UNF Bolt Tightening Torque It is vital that bolts and other threaded fasteners are tightened with the right force, so that they can clamp components properly. 593,8 42,26 43. The chart provides guidance on the amount of torque required to achieve a What Is a Standard Bolt Torque Chart? A standard bolt torque chart is essentially a table that lists the recommended torque values for bolts of various sizes and grades. Thread will conform to Class 6g of ANSI B1. Too much or too little can return disastrous results. Around 640 torque tables were developed for UNC, UNF, and M fasteners. The coeficient of friction 25. Use these charts as a quick reference to optimize performance and maintain safety standards. This document provides a metric bolt torque table with specifications for bolt sizes from M5 to M36 under dry and lubricated conditions. Metric Series - Dimensions: Note: The Bolts will generally conform to ANSI/ASME B 18. Conversion tables are also provided to convert between units like foot-pounds, Newton meters, and inch ounces. Plain Finish Zinc Plated Phosphate & Oil Lubricated Table 21 Table 22 Table 23 Table 24 or your application is critical. Torque Specifcations From and Electrical Connection Bolt Torque Settings RECOMMENDED ASSEMBLY TORQUES To convert kN to lbf - multiply Kn by 224. Standard thread pitch explanations and a chart showing number of threads per inch for National Coarse, National Fine and 8 Pitch threads. 9 hex cap screw and nut with a Zinc Yellow Plating the recommended torque is found in Table 18 (138 N-m or 102 ft-lbs). Mar 6, 2026 · Discover the essential Machine Screw Size Chart for precise measurements and specifications. - Locknut and flange nut specifications for coarse thread steel nuts. Torque is only an indirect indication of tension. In developing this info The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Data for sizes above this is given for information only. The document provides bolt torque charts for various bolt grades including ASTM A307, SAE Grade 2, ASTM A325, A449/SAE Grade 5, and notes on calculating bolt torque values. Holo-Krome. Over- and under-torqueing a bolt can result in premature failure, though most failures are due to under-torque. These bolt torque values are intended for use as guidelines only and are based on ideal conditions, perfect flanges, flange alignment & new well lubricated bolts/nuts according to the national boiler code, installed in accordance with the Singer Industrial Flange Installations Guidelines. Heat Treatment as per ASTM A 325M or ASTM F 568M Class 8. 3. 350,1 62,55 39. The chart specifies that the given torque values should be used on RECOMMENDED TORQUE VALUES LUBRICATED STUD BOLTS W/0. Learn about screw types, thread sizes, and lengths to ensure accurate hardware selection. 9, 12. com TORQUE TABLE IOS 898-1 Emirates Modern Industrial Area Umm Al Quwain, UAE sales@mfindllc. It notes that the values are based on the German industrial standard of yielding bolts at 70% torque. com • West Hartford, CT Torquing Specification Inch & Metric Fastener Chart Table of bolt torque While prematurity is the single largest cause of death in children under 5 years of age, the current definition of prematurity, based on gestational age, lacks the precision needed for guiding care decisions. Torque-Tension Relationship for Metric Fasteners in this chart is advisory only, and its use by anyone is voluntary. 8. The charts list bolt size, thread pitch, proof load, clamp load, and suggested starting tightening torque values in foot-pounds for bolts with galvanized+waxed and plain finishes. Extreme caution should be used when using a formula for torque/tension relationships. 6, 8. Metric Bolt Torque Chart Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. These technical data sheets are easy to download and print bolt-torque-chart U. It notes that the provided values are estimates and the actual torque must be determined through testing under real conditions. cylinder head bolts and main bearing cap bolts. Download PDF. 6 MB | pdf The document provides a table of recommended torque values in Newton-meters (Nm) for bolts of various strength grades, diameters, and head styles. 75 Property Class 10. 8 High Tensile Bolts, ISO Coarse Series Threads AS 1110. Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. A guide for prevailing-torque lock nut assembly torques for cad and wax, grade B, C, and G flange nuts. Torque, measured in units like Newton-meters (Nm) or foot-pounds (ft-lbs), refers to the turning force applied to a bolt or fastener during tightening. ASTM A354-BD OR SAE Grade 8 Bolt Tightening Torque Chart bolt-torque-chart U. 8 (metric) and ASTM A193 grade B7 (imperial) or similar. Includes torque formula, preload, friction values, and a downloadable torque chart PDF. BOLT SIZE Vs. In developing this information, Fastenal has made a determined effort to present its contents accurately. Testing is done to various bolts and metal plates, torqueing them until the point of failure. 15 FRICTION VALUE 00# 250 ES, THEY ARE THEORE S QUIDELINES ONL BASED ON USING WELDNECK FLANGES & LUBRICATED STUD BOLTS WITH A 0. m for bolt diameters ranging from 16mm to 125mm. Conversions between Newton-meters and other torque units like foot-pounds, foot-inches, and kilogram-force meters are also provided. Torque is This document provides recommended torque values for bolts of various grades and sizes in metric units. 643,4 45,86; 0,10 30. 15 FRICTION FACTOR. Unless otherwise specified use torque values listed above. - Properties should be dry Torque-Tension Relationship ISO 898-1 Property Class 4. 737562 tohnichi torque table. These figures are intended as a guide to achieving optimum performance from your nuts and bolts. How Does Lubricant Affect Standard Bolt Torque Values ? Torque values provide a helpful estimate, but torque alone can’t guarantee proper bolt tension. Recommended Assembly Torques - Class 8. ASTM A307 utilized 75% of 36,000 PSI. 2. The charts list bolt size, grade, proof load, clamp load, and recommended torque ranges for plain, zinc galvanized, and wax-coated BOLT TORQUE TABLE Diameter Recommended Torque BOLT THREAD LENGTHS Standard Thread Length (mm)* * Important Note: Some bolts may vary from the standard thread length. Due to Metric Bolt Torque Chart Metric Bolt Torque Chart is an essential reference tool used by engineers, mechanics, and DIY enthusiasts to ensure that bolts and fasteners are tightened to the correct specifications. Manufacturer data (Brighton-Best). See the torque-tension requirements for different sizes and grades of bolts and nuts. jwwinco. com | phone: 1-800-877-8351 The Difference is Easy To See 800-879-6205 • www. Pitch Bolts and Screws Bolt Tension Corresponding to 65% of Proof Load Recommended Assembly Torque Diameter Pitch (mm) Surface Condition Torque Adjustment Factors Torques for standard metric and imperial bolts All manufacturers use standard bolt torques for general specifications, and list exceptions to them for bolts requiring special attention or torques, e. TORQUE “K” is an experimental “K” is an experimental nut factor nut factor (based (based on on ASTM ASTM A193, A193, B7 Studs B7 with Studs Heavy with Hex Nuts) Heavy Hex Nuts) The document provides torque values in foot-pounds for bolted flange connections of various nominal pipe sizes (NPS) and pressure classes. Find the right torque specs fast! Bolt Diameter 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4" 7/8" 1" 1-1/8" 1-1/4" 1-3/8" 1-1/2" Metric Bolts 5 mm Oct 24, 2025 · A special type of pistol grip nutrunner is the twin motor powered high torque nutrunner for up to 1,500 Nm in which one motor via high-speed gearing runs down the bolt and the second, low-geared motor torques up to the final setting Models of this type offer fast tightening and a high torque capacity in a very small and handy tool and with TORQUE COMPARISON TABLE 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. It also discusses factors that influence the torque-tension relationship for bolts like diameter, grade, surface finish, and lubrication. The values provided in this guide are a result of the engineering equation: This document provides torque specifications for metric and inch fasteners made of various steel grades. 536,2 38,04; 30. The values provided in this guide are a re = K x D x P / 12 = Tightening Torque (Foot-Pounds) Preload and Tightening Torques Download our technical guide with tables and reference values for preload and tightening torques for fasteners of different types, materials, and head shapes. Torque values for 1/4 and 5/16-in series are in inch-pounds. This document provides a torque table listing indicative torque values in daN. The torque figures are calculated in both metric (Nm) and imperial (lbf. Clamp loads estimated as 75% of proof load for specified bolts. Metric Bolt Torque Table Nm - CNCexpo - Free download as PDF File (. The torques listed are for plain finish (uncoated) fasteners as supplied. Too much or too litt e can return disastrous results. Hence, recommended tightening torque values have been available for many years. This detailed guide provides recommended torque values for various bolt sizes and grades, ensuring secure and efficient fastening. The torque spec chart is especially useful during these maintenance or repair tasks: -Cylinder head bolt tightening - Flywheel nut installation - Crankcase bolts fastening -Carburetor mounting screws - Spark plug installation - Intake and exhaust manifold bolts Each of these fasteners requires a different torque setting depending on the size We would like to show you a description here but the site won’t allow us. For a more accurate, visual confirmation, learn about Applied Bolting’s Squirter® DTI washers. 20 TORQUE VALUES CALCULATED USING MECHANICAL ENGINEERING “SHORT FORMULA”: These torque calculations are estimates and are only offered as a guide, because there are many variables that affect the torque tension relationship, the only way to determine the correct torque is through experimentation under actual joint and assembly conditions. Print out your chart and you’ll be ready to get the perfect torque every time. RECOMMENDED TORQUE VALUES FOR SAE GRADE 2, GRADE 5 AND GRADE 8 CAP SCREWS & BOLTS Mechanical Properties Hardness Rockwell Grade Marking Material & Treatment Nominal Size (in. For example, for a M12 x 1. Tightening Torque Guide It is vital that bolts and other threaded fasteners are tightened with the right force, so that theysuficiently clamp components without damaging the bolt or nut. Thread length LT Jul 19, 2025 · Learn how to calculate bolt torque using charts for M8, M10, M16. - It specifies the recommended torque range in newton-meters, foot-pounds, and kilogram-force meters for bolt sizes ranging from M5 to M24 with strengths of 4T, 7T, and 8T. This article details the formula behind generating these values and some variables that afect the corresponding clamp loads. Alternatively,use the Torque/Tension Calculator on the Norbar website which enables fastener and friction conditions to be modified with ease. Material: High Grade Carbon/Alloy Steel. Bolt Torquing Chart www. Torque Values for Stainless Steel and Non-Ferrous Fasteners Suggested Maximum Torquing Values - a guide based upon actual lab testing on dry or near dry fasteners wiped clean. pdf) or read online for free. It includes values for both course and fine thread bolts made of grade 8, grade 5, and 316 stainless steel in sizes ranging from 1/4 inch to 3 inches. Clamp load calculated as 75% of the proof load when specified by the standard. Find recommended torque values and fastener guides at Dultmeier Sales. Bolt torque depends on: Bolt size, type and grade Lubrication (a low friction factor must be considered with MoS2-based grease) The given bolt torques are based on the 90% of the bolt yield strength Find the torque values for different types of fasteners, materials and body sizes in this PDF document. g. Summary If you’re looking for the perfect torque when tightening bolts and nuts, then you need to get your hands on a bolt torque chart PDF. 9 & 12. 8, 10. Notes provide information on the Fasteners 101 – Torque Setting Torque settings: How much torque is the right amount is highly dependent on the size of the bolt, the thread pitch, and the surface condition of the threads. S. - The document provides a table of standard tightening torques for various bolt sizes and types including hexagon headed bolts, stud bolts, flange bolts, hexagon nuts, and hexagon flange nuts. Use of its content by anyone is the sole responsibility of that person and they assume all risk. Monster Bolts. cihro hspmb qoub tsqaz oeevoo vsk knkya uxxkhg vtocpsv tbkj