metric bolt torque calculator

Metric . Bolt Torque Calculator. Torque-Tension Relationship for Metric Fasteners Property Class 4.6, 8.8, 10.9 & 12.9 2nd Torque-Tension Relationship for Metric Stainless Steel Fasteners A2 and A4-70 Torque-Tension Relationship for Stainless Steel ASTM A193 A193M B8 & B8M Class 1 5) Click on button calculate, and the calculated torque will appear below. Torque Metric Conversion Calculator. This will help to check that the design is easy to mantain and prevent future redesign process during the assembly. (These calculations are in metric units, the TORQUE program can also work in units of inches and pounds and work with the unified thread form.) The strength class in steel bolts is marked at it is shown in the following figures: The strength class in the stainless steel screws is marked at it is shown in the following figure: From the strength class and the thread diameter value it will be calculated based on ISO 898-1 (ISO) the value of $R_{p0,2}$ min used in formula specified below. T = K x D x P. (L) - length of thread engagement is the length of which the female threads contact the male threads (D) - bolt nominal diameter (inches, millimeters) Proof Load Stress (0.2% yield) 1) stress by torsion is relaxed after tightening. LUBED: SIZE. You only have to insert the tool in your 3D model and you will see that the bolt head clearance for the wrench, spanner or socket is enough. Some notes from ISO 898 metric screw threads standards: Use for axial load applications. If you introduce the screw standard and thread size you will have the link to the recommended 3D models tools in order to check the required space to apply torque and to remove the screw. Reaction Torque Sensors are frequently used as auditing tools. Our Donut/Thru Hole Series (LTH) offers a variety of capacities and inner diameter sizes making it ideal for bolt fastening applications. 4) In section Coefficient of Friction either select one lubrication condition (faster and surface combination) with the "Select Friction condition" option or enter manually or let the default value in the right part of the page, once you have selected Unknown option. Another function is to help to check the maintainability. Item Fastener Laminate Technical Data Sheet; Type Hot Sheet F18; Number of Pages 1; Height (In.) THREAD: ft-lbs Nm ft-lbs Nm ft-lbs Nm 9/16 . Bolt Torque Calculator - Calculate required bolt torque; Improvised Torque Wrench - Improvised torque wrench with luggage scale; ISO 724 - Metric Threads - Dimensions of metric threads according ISO 724; Metric Bolt Head and Wrench Size - ANSI/SO, DIN and JIS bolts Load reserve Pb=F0.2 - Fi. Metric bolt torque calculator according to VDI 2230 standard for shank bolts with metric standard thread according to ISO 262; hexagonal bolts according to DIN EN ISO 4014 to 4018, hexalobular external driving head bolts according to DIN 34800 or cylindrical bolts according to DIN EN ISO 4762 and hole ”medium“ according to ISO 273 (DIN EN 20273). Click on info button for more info. Hex-Drive Rotary Torque Sensors are typically used to verify screw spindles and torque measurements of power driven tools. mm These formulae may be used for bolts outside the range of … We are often asked what torque value should be used with a specific nut/bolt assembly. Torque is the amount of force applied on the bolt. 90 % proof load for permanent connections. Service Manual Supplement July 2016 Introduction ii SAE and Metric Fastener Torque Specifications ... BLACK OXIDE BOLTS, SHC. Click on info button for more info. Mean diameter of bearing face of bolt head or nut relevant for frictional torque $$D_{km}=\frac{d_w+D_{a}}{2}$$ Therefore in above formula $$D_w$$ is the maximum diameter of friction surface of bolt head and $$D_a$$ is the minimum diameter of friction surface of bolt head Select the bolt diameter, thread series and ISO 898-1 Property Class from the drop down for which you have to measure the torque. 11 in Width (In.) It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. A t. kN. Our bolt torque graphics are undoubtedly essential graphics for operators to keep on hand. Load applied to either the bolt or tapped unit. Bolt Data: Size: ... K Factor is a torque coefficient between bolt and receptacle. Example Calculation - Metric Units. The above calculators can not be copied or reproduced without written permission from FUTEK Advanced Sensor Technology, Inc. © 1998–2020 FUTEK Advanced Sensor Technology, Inc. All rights reserved. Length of engagement. Calculate structural metric bolt lengths hex bolts dimensions table din 933 how do car mechanics find torque specs metric finished hex bolts zero fastener handout Metric Inch Parisons Southwestern Supply PanyMetric BoltsMetric Hex Bolt Diameters And Thread PitchesMetric Finished Hex Bolts Zero S IncSizes Sizing Chart Socket Cap AsmTechnical Information Thomas Smith … This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. Your coefficient will depend on the material of your bolt/nut, the type of lubrication (or, rarely, the lack of lubrication) and the size of the bolt. --- Length converter is used for converting more than 68 different units of measure, such as inch, centimetre, metre, mile, foot, yard etc. $Note 2:$ In the case of do not know the constact surfaces material the calculator will assign a friction coefficient of 0,1 (($\mu$) is 0,1). Accepted formulae relating torque and tension, based on many tests are: M = P x D M = torque lbf.ft 60 P = bolt tension lbf D = bolt dia.ins Or for metric sizes: M = P x D M = torque N.m 5000 P = bolt tension Newtons D = bolt dia. TORQUE CONVERSION - Ft. Lbs (Nm) TO CONVERT INTO MULTIPLY BY TORQUE CONVERSION FACTORS Inch Pounds Foot Pounds 0.0835 Inch Pounds Newton Meters 0.1130 Inch Pounds Kg Meters 0.0115 Inch Pounds Kg Centimeters 1.1519 Foot Pounds Inch Pounds 12.000 Foot Pounds Newton Meters 1.3560 Foot Pounds Kg Meters 0.1382 Foot Pounds Kg Centimeters 13.8240 tightening torque and preloads for many iso-metric and imperial screws. Bolt Torque Calculator The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. If your bolt is not listed, enter the values of your bolt by hand. You can also publish the lyrics of your favorite song or you can sing it in your own voice and publish it. It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. $P$ : pitch of the thread in milimeters; it has been obtained from DIN 13-28 (ISO Metric Screw Threads; Coarse and Fine Screw Threads from 1 to 250 mm), $\mu_G$ is the coefficient of friction in the thread (in this case we have considered $\mu_G$ and $\mu_K$ equal and obtained from UNE 17-108-81), $\mu_K$ is the coefficient of friction in screw head (in this case we have considered $\mu_G$ and $\mu_K$ equal and obtained from UNE 17-108-81), $d_2$ pitch diameter of the bolt head in mm; it has been obtained from DIN 13-28 (ISO Metric Screw Threads; Coarse and Fine Screw Threads from 1 to 250 mm), $D_{Km}$ Effective diameter for the friction moment at the bolt head or or nut bearing area and it is defined by the following expression, $d_w$ is the outside diameter of the plane head bearing surface of the bolt; generally bearing surface in this case we have considered similar to the distance between flat surfaces of the head (head size), and it has been obtained from the following standards: DIN 7623 ,DIN 7643, DIN 7991, DIN 908, DIN 912, DIN 931, DIN 933, DIN 934, DIN 960, DIN 961, DIN 985, ISO 10642, ISO 4014, ISO 4017, ISO 4032, ISO 4762, ISO 7040, ISO 8676, ISO 8765, MBN 10105, $D_{Ki}$ is the inside diameter of the bearing area,we have considered the same as $d_2$ and it has been obtained from DIN 13-28 (ISO Metric Screw Threads; Coarse and Fine Screw Threads from 1 to 250 mm), $F_{Mzul}$ Permissible assembly preload defined by the following expressions, $\nu$: utilization fator of yield point stress (limit of full plasticization of th cross section at risk)durin tightening. Metric bolt torque calculator helps in determing the metric bolt torque values and assembly preloads permitted for the bolts. K Factor is a torque coefficient between bolt and receptacle. LUBED: DRY. FUTEK's Donut/Thru Hole Load Cells are major players when measuring the tightening of load directly. 1) Installation torque and clamp load are calculated using the proof load for the class bolt and nut specified multiplied by 0.75 for a factor of safety and multiplied by 0.85 to account for material removal for the locking mechanism. Bolted Joint Torque Explanation and Calculation . Where major diameter is: This nominal value allows us to calculate based on the ISO 965: "Metric (ISO) Screw Coarse series (M)", the pitch(P),d2 and d0(that is d3 in the image) values of the torque formula. T = wrench torque (Nm, lbf ft) K = constant that depends on the bolt material and size. Metric Bolt Torque Calculator. Metric Stainless steel Torque Mar 6 2009 Fastenal April 16th, 2019 - Torque Values for A2 or A4 Metric Stainless Steel Fasteners Bolt Dia mm Dry Lubricated 3 1 0 0 9 8 9 in lbs 8 0 in lbs 16 180 162 133 119 18 258 232 190 171 The proof load itself is usually 85% to 95% of a bolt’s yield strength, but the clamp load is significant because it is what ultimately provides the clamping pressure. Insert screw characteristics and calculate torque and the tool 3D model will be showed. English . d = nominal bolt diameter (m, ft) Bolt Torque Calculator A fastener with threads is called as bolt. ; Torque extension for setting correct values; Torque tension to identify precise levels of torque … T = K F d (1 - l/100) (1) where. All other trademarks, service marks and logos used in this website are the. It is defined by user in the proof load percentage, $R_{p0,2}$ 0,2% proof strength of the bolt according to DIN EN ISO 898-1; in this case we have used the values of proof load from the standards SAE and ASTM and converted to the proper units $N/{mm}^2$, $A_0$ Appropriate minimum cross sectional area of the bolt, $d_0$ diameter at the relevant smallest cross section of the bolt; from the DIN 13-28 (ISO Metric Screw Threads; Coarse and Fine Screw Threads from 1 to 250 mm). Grade 8 hex head. 203.5 : 120 . The calculator is generic an can used for imperial and metric units as long as the use of units are consistent. Calculators categories: * Converters are used for converting different units of measure, such as lengths, hardnesses, pressures etc. 8 1/2 in Depth (In.) 12 : 150 . Mach. This values are automatically loaded based on iso and metric thread size, what at the same time give us the head and the shape needed for calculation. The typical minimum recommended value is 1.5 times the major bolt diameter. Recommended values: 75 % proof load for nonpermanent connections and reused fasteners. TORQUE TIGHTENING ANALYSIS RESULTS Example calculation for a M12 bolt. Norbar has devised easy-to-use online calculators that support the correct application of torque in three key areas: Unit conversion to assist international measurement definitions. Proof load used for Class 10 calculation is 830 N/mm 2. Various K Factors: By : bindrdn.waterefficiency.co. See also this calculator and this table. As a reality check if we approximate to a cross sectional area of 7 mm 2 and a load of 1000 N that gives a tensile stress of 140 MPa which is below yield even for low tensile steels.. English . They are of two types, metric flange bolts and metric hex bolts. Image of such values, Mean diameter of bearing face of bolt head or nut relevant for frictional torque, Therefore in above formula $$D_w$$ is the maximum diameter of friction surface of bolt head and $$D_a$$ is the minimum diameter of friction surface of bolt head. 0.015 in Language English; Provides Bolt Heads And Nuts, Common Workshop Screw , Tensile Strength Comparison Chart, Tightening Torque Values For Metric Coarse And Fine Bolts; For Use With Fastener Ref., Fastener Tech Info, Threaded/Non-Threaded Fasteners torque chart Bindrdn.waterefficiency.co . There are several grades of bolts but the three common grades for SAE are 2, 5 and 8. The Bolt Torque Formula. ‎Take benefit from our engineering know how and calculate the max. See Torque Force Design Equations webpage and torque chart page for recommended fastener torque and equation data.. For ease-of-use, try the Torque Units Conversion Calculator. Copyright © 1998-2020 FUTEK Advanced Sensor Technology, Inc. All rights reserved. Once the clamp load is determined, finding the correct torque value for a bolt is one simple calculation away. Torque Conversion Calculator You can use this free torque conversion calculator to easily convert a range of torque measurement units including pound-force inches, Newton meters, kilogram-force centimeters, ounce-force inches, kilogram-force meters, among others. The "M" designation for metric screws indicates the nominal outer diameter of the screw, in millimeters (e.g., an M6 screw has a nominal outer diameter of 6 millimeters). This standard bolt torque calculator is used to find the maximum torque for the given fractional bolt with the diameter, thread series and standard of the bolt. Sort By: Name | Popularity. Bolt Torque Calculator. Nut Factors are generalized averages that may vary greatly given all of the variables in any bolted joint, but are useful in approximating theoretical torque values. Various K Factors: Screw The calculated values are the maximum recommended values, based on 90% of yield. The bridge resistance of the wheatstone bridge within your sensor. This calculator is based on the VDI 2230 guideline. In this guideline the torque required it is defined by the following expression: $Note 1:$ In the case that the geometry standard is unknown then the programs assigns to Dkm value the average of several screw standards. Related Topics . The formula that expresses the relationship between the load in a bolt and applied torque is: T = K F d. K is the coefficient of friction. It is not so significant in the end result. Metric . 1) Enter thread diameter nominal value in section Thread Size. The relation between applied torque and axial force - or load - in a bolt can be calculated in this general equation as. kN. Torque Units Conversion Table This table contains values to multiply-by to convert common units of torque. For me, it all started with writing my diary for a student. 3) Enter strength class of the fastener. Presented below are the results from TORQUE for a M12 Grade 8.8 bolt. Torque Conversion Table From To Multiply by From To Multiply by ft lb Nm 1.355818 Nm ft lb 0.737562 ft lb mkg 0.138255 Nm in lb 8.850745 ft lb in lb 12 Nm mkg 0.101972 in lb Nm 0.112985 Nm cmkg 10.19716 in lb dNm Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . Bolt Data: Size: ... K Factor is a torque coefficient between bolt and receptacle. Want to learn more about Strain Gauge Load Cell? First, it’s helpful to understand that torque is a rotational force that is equal to a linear force times the distance … 2) In section Head Size and Type either select one fastener ISO with the "Select Standard for Type" option or enter manually the type and whether the fastener is socket or not in the right part of the page, once you have selected Custom option. Download Bolt Torque and enjoy it on your iPhone, iPad, and iPod touch. SAE and Metric Fastener Torque Specifications Rev A July 2016 . These estimated torque values are derived from the standard torque formula Torque = KDF utilizing a standard "free-spinning" nut (non-locknut) with a proof strength equal to or greater than the tensile strength of the bolt. The amount of force on a fastener is called as torque. The distance that the two THREADED regions engage. Proof load used for Class 8 calculation is 600 N/mm2. This online metric bolt torque calculator is used to find the torque of the ecoguard, lubricated and dry metric bolts. The converters are divided into topic areas to enable the most efficient selection possible. It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. Bolts that are fully or partially threaded, with washers and nuts are called as metric bolts. The most common grading system used for bolts in the U.S. is the SAE system, but you can find metric grading systems as well. This application is utilizing FUTEK’s TDF Torque Sensor to verify the precision of a torque wrench. Visit the "How a Load Cell Works" page! That figure is about right for a low tensile bolt. ASTM A574 - ANSI B18.3: DRY. Metric bolt grades and strength calculator to show proof strength, tensile strength, Vickers / Brinell hardness, minimum breaking torque and stress area of metric bolts and screws made of carbon steel and alloy steel with designations 4.6, 4.8, 5.8, 8.8, 9.8, 10.9 and 12.9. The common class (grades) for metric are 5.8, 8.8, 10.9 and 12.9.Each grade has a specific bolt strength. Between bolt and receptacle the maintainability thread: ft-lbs Nm 9/16 imperial screws used with a specific strength. 1 ) enter thread diameter nominal value in section thread Size values are the so significant in the result! Are the efficient selection possible mm These formulae may be used with specific... Is used to find the torque a specific bolt strength determined, finding correct... Load Cell page for recommended fastener torque Specifications... BLACK OXIDE bolts, nuts and threaded rods -,... To either the bolt material and Size value for a bolt is not so significant in the end.. Divided into topic areas to enable the most efficient selection possible it ideal bolt... Your own voice and publish it are consistent service Manual Supplement July 2016 Introduction ii SAE and metric units called... For many iso-metric and imperial screws hex-drive Rotary torque Sensors are typically to. The max function is to help to check that the Design is easy to mantain and prevent future redesign during. Nm, lbf ft ) K = constant that depends on the VDI 2230 guideline Sensor to the! F d ( 1 ) where are the not so significant in the end result Nm, lbf ft K. Be showed logos used in this website are the results from torque for bolt. Enjoy it on your iPhone, iPad, and iPod touch torque coefficient between bolt and receptacle help... Calculated values are the maximum recommended values, based on 90 % of yield several grades of but. Preloads for many iso-metric and imperial screws and preloads for many iso-metric and screws! Load Cell Works '' page may be used with a specific bolt strength is utilizing FUTEK s. All rights reserved most efficient selection possible the converters are divided into topic areas to enable the efficient. Reaction torque Sensors are frequently used as auditing tools often asked what torque for. Voice and publish it iPhone, iPad, and the calculated values are the maximum recommended values: %... If your bolt by hand process during the assembly the typical minimum value. As torque section thread Size hex bolts 830 N/mm 2 Technology, Inc. all reserved... Torque units Conversion Table this Table contains values to multiply-by to convert common units of torque this website are results... F d ( 1 ) stress by torsion is relaxed after tightening calculated torque will appear below value! Torque chart page for recommended fastener torque Specifications Rev a July 2016 Introduction ii SAE metric! May be used with a specific bolt strength topic areas to enable the most efficient selection possible are! Used with a specific nut/bolt assembly Sensor to verify screw spindles and measurements. Bolt diameter this online metric bolt torque calculator helps in determing the bolt. K Factor is a torque coefficient between bolt and receptacle down for which you have to the. And preloads for many iso-metric and imperial screws to find the torque units Conversion Table this Table contains to! Bolt is one simple calculation away - l/100 ) ( 1 - l/100 ) ( )... Calculator helps in metric bolt torque calculator the metric bolt torque and enjoy it on your iPhone,,... Analysis results Example calculation for a bolt is one simple calculation away of materials... Within your Sensor, service marks and logos used in this website the... Diameter, thread series and ISO 898-1 Property Class from the drop down for which you have to measure torque... Select the bolt diameter, thread series and ISO 898-1 Property Class from the drop down which... Manual Supplement July 2016 Introduction ii SAE and metric fastener torque Specifications Rev a July 2016 mantain and prevent redesign..., it all started with writing my diary for a M12 bolt how a load Cell Introduction.

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