Transcription of aspen hex bolt head markings
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Tel.: 1-800-479-0056 Fax: MarkDescriptionRangeLoadStrengthStrength (in.)(psi)Min (psi)Min (psi)SAE J429 Low or MediumGrade 1 Carbon SteelASTM A307 Bolts,NoGrades A&BScrews,GradeStuds1/4 thruMarkSAE J429 Low or Medium3/4 Over55,00057,00074,000 grade 2 Carbon Steel3/4 to 1-1/233,00036,00060,000 SAE J429 StudsMedium Carbon1/4 thru 1-1/2--100,000115,000 NoGrade 4 Cold Drawn SteelGradeMarkASTM A193 AISI 50180,000100,000 grade B5 B51/4 Thru 4--ASTM A193 Bolts,AISI 41085,000110,000 grade B6 Screws B6 Studs for High-Temperature105,000125,000 ASTM A193 ServiceAISI 4140, 4142, 1/4 thru 2-1/295,000115,000 grade B7OR 4105 Over 2-1/275,000100,000B7thru 4--Over 4 105,000125.
Nominal Identification Specification Fastener Material Size Proof Yield Tensile Grade Mark Description Range Load Strength Strength (in.) (psi) Min (psi) Min (psi)
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Short guide to metric nuts and bolts, Strength Grade, Markings, STRENGTH, Bolt identification and grade markings, Grade, Instruction Manual for Installing HIGH-STRENGTH, BOLT, STUD BOLT WITH GRADE 2H HEAVY, STUD BOLT WITH GRADE 2H. HEAVY, DOING OUR BEST TO PROVIDE YOU THE, 7.4 Recommended maximum bolt loads, Recommended maximum bolt loads RECOMMENDED MAXIMUM BOLT LOADS, With Directory of STEEL FASTENERS, 5 stainless fasteners, Stainless fasteners, Specification 1060 I Supply, Fabrication