M20-20mm Cap Head Allen Bolts 12.9 High Tensile Allen Key Bolt Socket Cap Screws

~Product Description:

Product Name : Cap Head Allen Bolts

Thread diameter : M20

Product length ：30mm~200mm

Product material : Carbon steel

Product strength : 12.9

Head type : Hexagonal

Surface treatment : Blackening

Thread type : Partial thread / Full thread

~Product Features:

The product is made of 12.9 grade high-strength carbon steel with high toughness, good cold and hot workability, and excellent machinability.

Product Application:

Grade 12.9 bolt material, commonly known as high-strength bolts, suitable for steel frame structure beam-column connection, solid web beam connection, industrial plant heavy crane beam connection braking system and important structure bearing dynamic load connection