Product name: ASTM B18.2.1 Alloy Steel UNC Threads HEX Head Bolts

Executive standard: ANSI/ASME B18.2.1-UNC thread

Product Overview: ASME B18.2.1 Grade 5 Hex Cap Bolts we are also known as American screws, American standard bolts, bolts are according to the American National Standards Institute (ANSI) and the American Society of Mechanical Engineers (ASME) jointly developed for the use of fasteners in the European and American markets, in terms of grade, we will produce American 2 hex bolts, American standard 5 hex head bolts, American standard 8 external hexagonal head bolts, according to different material grades, will be used in different mechanical connections, the higher the grade of the product tensile and yield performance is stronger, according to different product performance, American standard hexagonal bolts are widely used in a variety of machinery, equipment, construction and infrastructure, for connecting and fixing various parts and structures.

Material: Carbon steel (Q195, 1008, 10B21, 35K, 45K), alloy steel (10B33, 40Cr, SCM435)

Product grade: US Level 2, US Level 5, US level 8, US level 10

Product surface: black, blue and white zinc, color zinc, black zinc, zinc-nickel alloy, hot galvanizing, hot zincing, Jumet, Dacromet, electrophoresis, Teflon, baking paint, etc

Product diameter: 10#-24 Pitch, /12#-24 Pitch,1/4-20 Pitch, 5/16-18 Pitch, 3/8-16 Pitch, 7/16-14 tPitch, 1/2-13 Pitch, 9/16-12 Pitch, 5/8-11 Pitch, 3/4-10 Pitch, 7/8-9 Pitch,1 ""-8 Pitch, 1-1/8-7 Pitch, 1-1/ 2-6 Pitch, 1-5/8-6 Pitch, 1-3/4 Pitch, "" 2-4.5, 2-1/2-4 , 3" "4 , 1/2-3-4, 4" "- 4 

Product length: 1/4 inch -40 inch length is available and customized

• Product size

Size unit : inch