Nas bolt torque chart For applications with high tensile loads, achieving 85% of the ultimate tensile strength of the bolt material ensures the bolt will see the most stress during tightening. , Grade 2, Grade 5, or Grade 8) and its material type. lbs for Bolts in Tension, reduce torque by 33% for bolts in This is done to allow a safety buffer so that the bolt does not get too close to the proofload value. of the bolt proof loads specified for SAE J-429 Grade 8, and ASTM A-354 Grade BD bolts. - Torque Set 1181 - 1188 Flat Fillister Hd. lbs, kgf·m}) Strength 4T 7T 8T Identification symbol Nominal diameter (Stud) (Stud) (Stud) M5 2 to 3 NAS 1305 Series 5/16-24 UNF Close Tolerance Bolts. (corresponding to the total reciprocating weight). Monroe Aerospace is a stocking distributor of Aerospace and Mil-Spec hardware. Notes provide further General Purpose Bolts The hex head aircraft bolt (AN-3 through AN-20) is an all-purpose structural bolt used for general applications involving tension or shear loads where a light drive fit is permissible (0. This listing may be useful when determining an appropriate de-rated torque value when engaging with lower proof-strength materials. 9 bolt grade would be 114. National Aerospace Standard (NAS) Bolts come in a large variance of lengths, thread types, head type, and material type. We would like to show you a description here but the site won’t allow us. Example. NAS BOLTS. The illustration below, depicts typical and common aircraft ( AN and NAS ) type bolts and their identifying markings. ] Size Root area, in. 9 12. Contact us at (888) 781-2007 today! Sep 29, 2020 · As an example illustrating the importance of determining the friction drag torque consider a new AN3 bolt and MS21042-3 all-metal lock nut. procurement specification: nasm25027 except as noted. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. All Bolts Grade 5 Hex Head Cap Screws - (USS) Coarse Thread Prevailing Torque Stover Lock Nuts Std. Thanks Gil for printing the mil-spec chart for the bolts. from the chart. lbs, kgf·m}) Hexagon Headed Flange Bolt (Unit: N·m {ft. The material markings for NAS bolts are the same as for AN bolts, except they may be either raised or recessed. Torque settings in Ft. 0015-inch under the nominal bolt-hole diameter. It’s important to note that higher bolt grades require a higher torque to get more clamping force. The amount of torque applied is a function of the frictional forces and bolt diameter and is typically calculated utilizing a clamp load equaling 60-70% of the yield. govern lock nuts . These close-tolerance bolts are typically just 0. 6 ft lb of torque when tightening the NAS nut and bolt assembly. These National Aerospace Standard, fine threaded dimple-head hex bolts have a minimum tensile strength of 160,000 psi and a minimum shear strength of 95,000 psi. - Full Threaded 1190 Pan Hd. Bolt torque there is a table that lists AN4 bolts 50 -70 inch/lbs AN 7 bolts 450-500 in/lbs NAS 1304 bolts 80-100 in/lbs NAS 1307 bolts. This information is critical for selecting the right torque values. It lists the bolt size, threads per inch, proof load, clamp load, and recommended tightening torques for bolts with waxed, galvanized, or plain finishes. 235 -215 63. Bolts requiring non-destructive inspection (NDI) by magnetic particle inspection are identified by means of colored lacquer, or Jul 9, 2020 · It is designated by AN (Army-Navy), MS (Millitary Standard), or NAS (National Aerospace Standard). Also included are details on mechanical properties, naming convention, and torque values. Applications Bolts can be made from many materials, but most bolts are made of carbon steel, alloy steel, or stainless steel. 2; Hex Bolt Identification Table Hex Bolt Identification, Markings and Strength Chart; Hex Jam Nut ASME B18. These fine-threaded, dimpled-head hex bolts have a minimum tensile strength of 160,000 psi and a minimum shear strength of 95,000 psi. Approximate Torque Nm Grade 4. Thread length is consistent within each diameter and grip lengths are available in 1/16" increments. See Tables 1 and 2 for . Pitch A typical value for this reciprocating weight is in the vicinity of 20,000 lbs. Values are in inch-pounds, which can be converted to inch-ounces or foot-pounds using this calculator . For purposes of bolt design, a “rule of thumb” is to size the bolts and select the material for this application such that each of the 2 rod bolts has a strength of approximately 20,000 lbs. Unless otherwise stated, the last two digits of the four-digit basic number represents the nominal bolt diameter in 1⁄ 16-inch increments. A286 bolts are not only usable for high temperatures, it can also be used for subzero applications. If you exceed the proofload value when tensioning the bolt, you run the risk of bolt failure. Technical Files & Documents. 0145: 23 to 34 in. Each bolt grade has an ideal tightening torque for maximum clamping force without breaking. minimum break-away torque shall be 0. Click to View the Hardware Reference Tool nas 1102 nas 1151 –nas 1158 nas 1161 –nas 1168 nas 1189 nas 1191 nas120 2–nas1210 nas121 9–nas1221 nas124 3–nas1250 nas125 3–nas1270 nas129 2–nas1296 nas1299 nas1393 nas150 3–nas1510 nas158 0–nas1582 nas160 3–nas1610 nas162 0–nas1628 nas170 3–nas1710 nas1741 nas197 2–nas1980 nas199 2–nas2000 nas280 3–nas2810 nas283 1161 - 1168 100° Flat Hd. (i. 2. - Torque Set 1189 100° Flat Hd. This chart presents torque values for bolts by size, tensile strength, and shear vs. Since it remains ductile at cryogenic temperatures, it can be a good choice for non-magnetic strength down to around -320°F. ASME 18. tension types. 5 inch-pound for dash number 04 (. 4 %âãÏÓ 1714 0 obj > endobj xref 1714 27 0000000016 00000 n 0000001300 00000 n 0000000854 00000 n 0000001595 00000 n 0000001737 00000 n 0000002155 00000 n 0000002587 00000 n 0000003028 00000 n 0000003481 00000 n 0000003519 00000 n 0000003748 00000 n 0000003989 00000 n 0000004212 00000 n 0000004290 00000 n 0000004823 00000 n 0000005466 00000 n 0000005895 00000 n 0000006212 00000 n Apr 21, 2016 · A type of special bolt most builders will encounter is the NAS bolt. Identify the Bolt Grade and Material Start by locating the appropriate grade of your bolt (e. Find the Bolt Size Look for the diameter of your bolt in the far left column. 006-inch clearance for a 5⁄8-inch hole and other sizes in proportion). 2 Hex Nut and Jam Nut dimensions per ASME B18. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. Blanks in all diameters available which can be completed in 2-3 weeks based on your requirement. of the bolt proof loads specified for SAE J-429 Grade 5, and ASTM A-449 bolts. Monroe Aerospace has 1000's of different NAS Bolts in stock and ready to ship for your needs. IFI-100 does not . , High Torque Recess, Full Thread 1217 Pan Hd. NAS 1306 3/8-24 UNF fine, close tolerance bolts, part of the 1300 series range of National Aerospace Standard, fine threaded, dimple-headed hex bolts. 0764 in 2 = 10,397 lb. Bolts requiring non-destructive inspection (NDI) by magnetic particle inspection are identified by means of colored lacquer, or Mar 18, 2011 · Under rec. 14 between nut and washer or head and washer, as manufactured (no special cleaning). Titanium and aluminum bolts have limited usage, primarily in the aerospace industry. These are high-strength bolts used primarily in tension appli-cations. Close tolerance bolts are machined more accurately than general purpose bolts and they are used in applications requiring a very tight fit. Our tests showed an average friction drag torque of 14 in-lbs (your results may vary). 0764 in 2 , so the clamp force F would be 136,000 lb/in 2 * . 2; Hex Screw Head Sizes Table Hex Screw Head Sizes for Height and Head Hex. Note: All bolts should be torqued according to the above chart unless otherwise specified. nuts equal 75% . Clampload is only a estimated number, there maybe situations where the engineer calls for the bolts to be tensioned to a different value. Force Required to Strip the Bolt Threads Formula and Calculator ; Threaded Hole Fastener Pullout Stress ; Self Tapping Screw Pull-Out and Torque Calculator ; Bolt Preload Tension Equation and Calculator ; Bolt Preload Tension Force Calculator ; Torque Table Standard Bolt Sizes SAE Grades 1 - 8 ; Torque Values Stainless Steel Bolt Table Chart. 6 %âãÏÓ 1485 0 obj > endobj 1500 0 obj >/Filter/FlateDecode/ID[80B4B9B29725384FA3ED6DB1CFE93D45>]/Index[1485 28]/Info 1484 0 R/Length 80/Prev 1175112/Root %PDF-1. This document provides information on torque values and fastener matching for aerospace applications. above 1". , High Torque Recess, • Where the property class differs between the nut and bolt (or stud bolt), use the tightening torque specified in the table for the bolt. In certain cases, fastener manufac-turers produce bolts of different dimensions or greater strength than the standard types. They are not valid for Skybolt Manufactures Camloc, Dzus and Airloc Compatible Most bolts used in aircraft structures are either general-purpose, internal-wrenching, or close-tolerance AN, NAS, or MS bolts. The required torque on the fastener is 130 N·m (M2) but what do you set on the torque wrench scale? L1 = 500 L2 = 650 How to Read and Use the Bolt Torque Chart. AIA/NAS NASxL35L 76 0338743 0503908 4T0 Aerospace lndustr i es NATIONAL AEROSPACE STANDARD Association BcawRIQHT I998 IO 1- 750 198 - I78 12 2. 312" and the tensile strength of NAS 6600 bolts is 160,000 psi. 7 %¦éÏÄ 5418 0 obj > endobj xref 5418 20 0000000016 00000 n 0000000793 00000 n 0000002316 00000 n 0000002480 00000 n 0000002846 00000 n 0000079071 00000 n 0000198550 00000 n 0000199060 00000 n 0000199171 00000 n 0000199280 00000 n 0000199902 00000 n 0000200702 00000 n 0000200969 00000 n 0000201592 00000 n 0000210679 00000 n 0000210941 00000 n 0000211637 00000 n 0000230793 00000 n Feb 1, 1995 · A chart of typical bolt heads is presented in (Figure 1). Click here to view a chart on the mechanical properties of A286 bolts at cryogenic temperatures. ). 6 8. if it takes 4 in/lbs of torque just to turn the AN3 bolt thru a nyloc nut, then add 4 in/lbs to the final torque requred, which will now be 24-29in/lbs) The document provides suggested starting torque values for tightening various bolt sizes and materials including ASTM A307, SAE Grade 2, ASTM A325/A449/SAE Grade 5, ASTM A193 B7, ASTM A354-BD/ASTM A490/SAE Grade 8. 1120-40). Bolt Torque Calculator; Metric Bolts - Tightening Torques; Reduced Torque with Lubricated Bolts Table V -- Bolt Torque [No lubrication on threads. - Full Threaded 1216 Pan Hd. Find torque charts from Industrial Bolting for quick reference and easy download. NAS bolts have a higher tensile strength (usually about 160,000 psi) and can be identified by a cupped out head. 0175: 29 to 43 in Close-tolerance NAS bolts are marked with either a raised or recessed triangle [row 3, number 4]. Clamp loads for Grade C lock . for larger sizes, see nasm25027. DBA Part Numbers: Hardware Spec: NAS4504U07: 1/4" UNF NAS Bolt - Tri Wing: ** PLEASE NOTE: These torque specs are the torque that you use AFTER overcoming the friction torque (call it "Torque Drag" or there are other names) of the bolt going thru the fastener. DBA recommends 13 Nm or 9. The cross-section area of the bolt is . M1 = M2 x L1/L2. NAS 1305 5/16-24 UNF fine close tolerance bolts, part of the 1300 series range of National Aerospace Standard, fine threaded, dimple-headed hex bolts. , High Torque Recess, Short Thread 1218 Pan Hd. 400 26, 100 59. The torque values given in the NAS torque chart (opposite page) are adequate and appropriate for this type of usage. AN 121501 - MS9168: Nut, Lock Pin, O-Ring, Snap Ring, Stud: MS 9169 - MS 16108: Bolt, Washer, Clamp, Nut, Bracket, Stud: MS 16187 - MS 16634 SAE bolt grades indicate the strength of the bolt. In under-torque a bolt may be subjected to more variable loading and can fail in far fewer fatigue cycles. NAS 1 - NAS 330; NAS 333 - NAS 491; NAS 492 - 574; NAS 577 - NAS 1044; NAS 1045 - 1221; NAS 1221 - 1401; NAS 1402 - 1406; Aircraft Bolt Identification; Aircraft Rivet Identification - Aluminum; Aircraft Rivet identification - Non Aluminum ; Grommets About; Grommets Military Sizes Standard Reference Mar 22, 2019 · Let's start with the bolts: The diameter d is 5/16" = 0. For dry bolts increase the torques with approximately 30%. NAS Bolts - NAS6603 Thru NAS6610 Bolt, Hex Head, Close Tolerance, Alloy Steel, Short Thread, Self-Locking & Non-Locking. 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 Technical Files, Charts and External Links. I seem to recall that NAS bolts have higher torque ranges than normal bolts, but so far, I can't find anything to prove that. Quick release fasteners are identified by factory trade names and size designations. In most race car chassis and aircraft airframe applications, the bolts used are loaded in shear. Table 1. 0860-56) and 0. 4 %¦éÏÄ 999 0 obj > endobj xref 999 19 0000000016 00000 n 0000000773 00000 n 0000002000 00000 n 0000002048 00000 n 0000002117 00000 n 0000002186 00000 n 0000002257 00000 n 0000002505 00000 n 0000010073 00000 n 0000023649 00000 n 0000035388 00000 n 0000035754 00000 n 0000036096 00000 n 0000037169 00000 n 0000038232 00000 n 0000039291 00000 n 0000039528 00000 n 0000039760 00000 n torque. 9 bolt, a common automotive fastener, has an ultimate tensile strength of nearly 20,000 pounds? According to the chart above, the recommended tightening torque for an M12 bolt with a 10. -lb: 10-32: 0. Jet-Tek is a manufacturer and distributor of NAS Bolts. These bolts have a minimum tensile strength of 160,000psi and a minimum shear strength of 95,000psi. Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. Threaded fasteners and rivets are identified by Air Force-Navy (AN), National Aircraft Standard (NAS), and Military Standard (MS) numbers. It notes that torque values in the NAS chart are adequate for applications where bolts are loaded in shear. 8 10. - Torque Set 1171 - 1178 Pan Hd. 0008–0. Because of good bolt design, including rolled threads, 2-3 thread run-out at root, and radius under heads, most bolts FAR exceed the specs. The standard torque for this nut/bolt combination from the table below is 28 in-lbs. g. These bolts, with designations such as NAS1307-50, are high-strength, close-tolerance bolts used for attaching the wings to the structure of planes such as the Van’s RV series. Torque values are based on friction coefficients of 0. NAS 13 Series Close Tolerance Bolts. Sep 16, 2020 · If your AN bolts bend, move up to various NAS (National Aerospace Standard) 160,000-psi hex-head bolts or internal-wrenching, bevel-conical, socket-head MS (Military Standard) bolts. 12 between threads and 0. Thread length is consistent within each diameter (1103/6203 series have a shorter thread), and grips are available in 1/16” increments beginning at 1/16”. %PDF-1. Below are guides that show these calculations for a variety of materials, bolts sizes and thread counts over a range of frictional conditions. 0 Nm. Carbon steel is the cheapest and most common bolt material. 520-630 in/lbs Nightflier, will you take a sharpie and write those values down where I have all the other important torques written down!!!!! Thanks Sam! Close-tolerance NAS bolts are marked with either a raised or recessed triangle [row 3, number 4]. VANCOUVER 805 West 11th Street Vancouver, WA 98660 (360) 699-4406 1 (800) 882-2658 LONGVIEW 420 California Way, Longview, WA 98632 (360) 425-9360 1 (800) 824-9299 STANDARD TORQUE VALUE CHART TORQUE VALUES: All note: wrench torque per nasm25027 table ii for regular nuts; box or socket wrench required only for test purposes. Bolts requiring non-destructive inspection (NDI) by magnetic particle inspection are identified by means of colored lacquer, or Close-tolerance NAS bolts are marked with either a raised or recessed triangle [row 3, number 4]. These bolts are being replaced with NAS6200 and NAS6600 series bolts, which have similar properties. Listed torque values are for fine-thread cadmium-plated nut and bolt assemblies subject to shear loads without lubrication and apply only to aerospace fasteners. Grade 2 bolts are cheap but not very strong, grade 8 bolts are the strongest and most expensive, and grade 5 bolts are the most common. Below is a high level overview of the common AN bolts and their respective hardware. e. Use a special heat-treated washer (NAS143C) under the head to prevent the large radius of the shank from contacting only the sharp edge of the hole. 2 inch pound for dash number 02 (. This listing provides links to a variety of digital documents (PDF format) assembled for your review. The figures in this chart are safe figures for standard torque applications only. ** Torque values NAS 1306 Series 3/8-24 UNF Close Tolerance Bolts. INTERNAL WRENCHING BOLTS (NAS144 THROUGH NAS158 AND NAS172 THROUGH NAS176). In the ideal world, you would want to load them to 85% of the tensile strength or 136,000 psi. There are many varying factors which affect torque. Where L1 is the normal length and L2 is the extended length, M1 is the set torque and M2 the actual torque applied to the nut. 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. Bolt Torque Chart | The Nutty Company, Inc. Abstract: NAS bolts torque chart QPL-18240 ms20470 NASM25027 NAS bolts torque MIL-DTL-18240F MIL-R-83248 AMS-3209 ASTM B117 CONTENTS Text: CATALOG SF500A SELF - SEALING FASTENERS, NUTS & WASHERS Ῡ C UL RecognizedUS Precision O-Ring embedded in asymmetrical groove 360° metal-to-metal surface contact Threadlocking options o vi Wor ld’s M o Heavy Slotted Nut Heavy Slotted Nut Size Data Chart Per. The values are for slightly lubricated bolts. nominal* (see note below table) torque settings and adjusts to be made based on thread conditions (dry, oil, etc. Refer to the charts to find the ideal tightening torque. There's a nice chart for normal bolts, but I didn't see any chart for NAS bolts. 000 . 2 Torque range (class 8, 150 ksi, bolts (Note 1)) 10-24: 0. The values shown in the chart are to be used as a mid-range guideline. I'm fairly sure that the NAS bolts are 125 ksi, so that would say that they are required to achieve 10,300 lbs. Oct 21, 2006 · Next step was to go to the handy dandy AN43-13, and I can't find NAS torque specs in there either. - Full Threaded 1191 Flat Fillister Hd. Stainless steels include both iron- and nickel-based chromium alloys. The document Formula for Calculating the Effect of Torque Wrench Extensions. We have an extensive inventory of NAS bolts. Call 1 (904) 543-6395 or Email Us Bolts, cables, fittings, nuts, rivets, screws. 9 Jul 22, 2021 · Did you know an M12 grade 10. Subsequent numbers after the nominal bolt diameter and dash number designate grip length, again in 1⁄ AN, NAS, and MS series aerospace hardware selection guide and information. Hexagon Headed Bolt, Stud Bolt (Unit: N·m {ft. jfdpv vcdh aroxocf blsnjg sfuqg tcdxu yoxqcgd sabgyt gapyid hdwmyr
© Copyright 2025 Williams Funeral Home Ltd.