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You can usually figure out the grade, or strength, of a bolt by looking at the markings on its head. English bolts (U.S.S. or S.A.E) are categorized by grade, from grade 2 to grade 8, where the grade represents inch strength. The higher the grade, the stronger the bolt. ...
US Bolts Head MarkingGrade and MaterialNominal Size Range (inches)Mechanical Properties Proof Load (psi)Min. Yield Strength (psi)Min. Tensile Strength (psi) 307A Low carbon steel1/4" thru 4"N/AN/A60,000 No Markings Grade 2 Low or medium carbon steel1/4" thru 3/4"55,00057,00074,000...
Hex Bolt Identification, Markings and Strength Chart. Additonal information on bolts is located at the bottom of the webpage.Note: Some bolts share identical head identification and have significantly different strengths.Identification Grade Mark Specification Description Material Proof Load Yield Strength ...
Material:AISI1045 for medium carbon steel bolts,4140 for alloy bolts. Standard in accordance with SAE ,GB, DIN available. Information MORE >> Bolt Grade Markings and Strength Chart-U Bolt Grade Markings and Strength Chart-M Ball Mill
KT Bolt Specializes in Standard, Non-Standard and Custom Fasteners About Us Products Committed to service since 1969! KT Bolt Manufacturing has served the fastener industry since 1969 as a manufacturer of non-standard and custom bolts and fasteners. During this time we have worked hard to ...
and CoatingsBolt Grade Markings and Strength Chart US Bolt Head/Wrench Size Recommended Bolt Torque Standard Thread Length for Bolts Threads Per Inch Table (Coarse and Fine) US Bolt Diameter and Thread Chart Our printable 'lay-over' sizing chart for identifying US bolt diameter and thread count....
Socket head cap Screw Socket button head screw Socket set Screw Nylock Nuts Disc Washers Self Tapping Inserts Buy Now Enquiry Form NamePhone no.:Email:Massages: Contact us Sales & Postel Address: Shop# 27, 1st, Floor, Manohar Market, ...
Socket head cap Screw Socket button head screw Socket set Screw Nylock Nuts Disc Washers Self Tapping Inserts Buy Now Enquiry Form NamePhone no.:Email:Massages: Contact us Sales & Postel Address: Shop# 27, 1st, Floor, Manohar Market, ...
Material:AISI1045 for medium carbon steel bolts,4140 for alloy bolts. Standard in accordance with SAE ,GB, DIN available. Information MORE >> Bolt Grade Markings and Strength Chart-U Bolt Grade Markings and Strength Chart-M Ball Mill