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.Four 5.6 eleven eight sixteen 12 8 436597.METRIC GRADE 10.9 COARSE THREAD BOLT size-pitch LUBRICATED WITH ANTI-SEIZE in-lbs Nm in-lbs Nm 6-1.00 119 13 eighty 9 ft-lbs Nm ft-lbs Nm 8-1.25 25 34 17 23 10-1.50 forty eight 65 32 forty three 12-1.seventy five eighty four 114 fifty six 76 14-2.00 135 183 89 121 16-2.00 210 285 140 a hundred ninety 20-2.50 405 549 270 366 22-2.50 550 746 370 502 24-3.00 seven hundred 949 465 630 27-3.00 1,030 1,396 685 929 BOLTLow Carbon Grade 5 Grade 8 Class 8.8 Class 10.9 Class 12.9 US bolt head markings Metric bolt head markings 8.Eight 10.Nine 12.9 Hex bolts, or hex cap screws, are used in equipment and building. Can be used with a nut, or in a tapped hole. Fully threaded hex bolts are sometimes called faucet bolts. Wood screws have large threads and a smoothAppendix C Bolt Grade Markings and Strength Chart 29 Appendix D Letter and Number Decimal Equivalents 31 . 2 Introduction: Engineering Design Representation Despite advances, 2D mechanical drawings are still the most well liked structure for design documentation.Grade B6 Bolts, Screws, Studs for High‐ Temperature Service AISI 410 1⁄Four via 4 −− 85,000 110,000 ASTM A193 Grade B7 Bolts, Screws, Studs for High‐ Temperature Service AISI 4140, 4142, or 4145 1⁄Four thru 2 ½ Over 2 ½ via 4 Over Four via 7 −− −− −− 105,000 95,000 75,000 125,000 115,000 100,000 ASTM A193 Grade B16 Bolts
Note 1: L9 Head top isn't accurate on this chart. Page 2 of 99 Page 2 of 99 Heavy Hex Bolts Grade 2 SAE Grade 2, ASTM A307B Plain = HHC020----- Zinc = HHC020-----Z1 D F C H Weight Body Diameter Width Across Flats Width Across Corners Bolt Height Rough Estimate Diameter Max Basic Max MinTitle: Metric Bolts Grades Author: www.FastenerBlackBook.com Subject: Metric Bolt Classes Keywords: Metric Bolt Grades; Metric Bolt Classes; Bolt Grade Markings and power chart; Metric bolt tensile strength; Metric Bolt Identification; Bolt elegance 4.6; Bolt magnificence 5.8; Bolt elegance 8.8; Bolt elegance 10.9; Bolt magnificence 12.9; Common Metric Steel Bolts; Identification Mark; Material; Tensile StrengthGrade 8 Bolts, Screws, Studs Medium Carbon Alloy Steel, Quenched and Tempered 1/Four thru 1-1/2 120,000 130,000 150,000 ASTM A354 Grade BD Alloy Steel, Quenched and Tempered4 No Grade Mark SAE J429 Grade 8.1 Studs Medium Carbon Alloy or SAE 1041 Modiﬁ ed Elevated Temperature Drawn Steel 1/4 via 1-1/2 120,000 130,000 150,000 A490Grade 5 bolt capacity in pressure (failure) = 120,000 lbs / in2 x .03349 in2 = 4019 lbs minimal Again, you'll see that the grade 8 will toughen over 1000 lbs more or a 1/2-ton extra. But there's something more essential to note. The grade 5 fastener has already reached its ultimate load and FAILED BEFORE the grade 8 starts to yield or stretch.
Download a complimentary PDF of our Fastener Markings chart. Contact American Fastener with any questions or for a customized quote. Identification Grade Mark Specification Fastener Description Material Nominal Size Range (in.) Mechanical Properties Proof Load(psi) Yield Strength Min (psi) Tensile Strength Min (psi) NoGradeMark SAE J429 Grade 1 Bolts, Screws, Studs Low or Medium Carbon […]a-354 grade bd a-490 sort 1 a194 grade 2h *zinc coated as consistent with astm a153 **undeniable or zinc coated washers will likely be f-436 with identical end (plain or zinc lined) as the bolt. english bolt appropriate nuts a-307 grade a diam < 1.5" diam > 1.5" a-325 sort 1 a 563 grade a** hex a 563 grade a** heavy hex a 563 - c,c3, d, dh*, dh3 a 194-2,2h*Bolt Grade Markings and Strength Chart Mechanical Properties Head Marking Grade and Material Nominal Size Range (inch / mm) Proof Load (psi / MPa) Min. Yield Strength (psi / MPa) Min. Tensile Strength (psi / MPa) US Bolts No Markings Grade 2 Low or medium carbon metal 1/Four thru 3/4U-Bolts and Eye Bolts Anchor Bolts & Bent Bolts 11-1 A-Bolts, Standard 11-2 U-Bolts, Long Tangent 11-3 Eyebolts-Regular Pattern 11-4 Eyebolts-Shoulder Pattern 11-5 Rod End Eyebolt Blanks 11-6 Metric Fasteners Hex, Head Cap Screws 12-1 Weights of Hex Head Cap Screws 12-2 Socket Cap Screws & Flat Head Socket Caps 12-3FASTENER SIZE CHART 2531 E. Jensen Ave, Fresno, CA 93706 | P: 559-485-8658, F: 559-485-8674, E: [email protected] www.frontierfastener.com Frontier Fastener makes no warranties as to the accuracy, completeness and reliability of the tips in this web page. Use of the tips is strictly at your individual possibility