High Strength DIN912 Carbon Steel Screws Cylindrical Head Hexagon Bolt Cup Head Screw

DIN912 manufacturer spot grade 12.9 high strength cylindrical head hexagon bolt cup head inside six Angle screw

Standard DIN912

Material 40Cr (alloy steel)

Application standard

Surface treatment oxidized black

Strength rating 12.9

Head shape Cylindrical head

8.8 high-strength cylindrical head hex socket screws factory spot 8.8 thin head hex socket bolts

Product name: Hex socket bolt

Product specifications: Complete specifications

Surface treatment: according to customer requirements

Main products: high-strength outer hex bolts, hex bolts, hot dip galvanized bolts,

U-bolts, anchor bolts, steel structure shear bolts, high-strength nuts,

embedded plates, stud bolts, welding nails, and other products.

The company has a complete quality management system.