HEX BOLTS
Class 4.8, class 8.8, class 12.9, Grade 2, grade 5 and grade 8 ASTM A193 B7, B7M, B8, B8M and B16,ASTM A354 GRADE BC, BD ASTM A320 L7, L7M, ASTM A325, A490, A307, A449, SAE 429 Size: M5 to M42 or 1/2" to 2-1/2" Specification: DIN 931,933, ISO 4014, 4017, ANSI B18.2.1, AS 1252 Finish: Plain, zinc plated, hot dip galvanized,Dacromet Fluorocarbon (Teflon,Xylan 1424, 1014, 1010 etc) and so on.