HIGH STRENGTH Fasteners， SIJIN supply to our customers with superior quality products and the best service,the standard including: ANSI/ASTM, DIN, BS, ISO, GB, JS, etc.and these products are used for Power Generation, Mining, Transportation, Petro-Chemical, Nuclear, Aerospace, Marine, and Medical industries.

Grade 2 Hex Head Cap Screws, Grade 5 Hex Head Cap Screws, Grade 8 Hex Head Cap Screws, Tap Bolts, Grade 8 Tap Bolts, Carriage Bolts, Lag Bolts, Plow Bolts, Hanger Bolts, Grade 8 Flange (Frame) Bolts, J Bolts, Step Bolts, Elevator Bolts and 12 Point Flange Bolts.

Hex Nuts, Jam (1/2 Thickness) Nuts, Heavy Hex Nuts, Nylon Insert Lock Nuts, Torque (Stover) Lock Nuts, Flange Stover Lock Nuts, ACME Thread Nuts,Wing Nuts, Acorn or Cap Nuts, K-Lock (KEPS) Nuts, Serrated Flange Lock Nuts, Cage Nuts, Grade 2 Hex Nuts, Grade 5 Hex Nuts and Grade 8 Hex Nuts. Machine Screw Nuts, Small Pattern Hex Nuts, T Nuts, Square Nuts, Left Hand Nuts, Castle Nuts and Slotted Nuts.