ALL PRODUCTS

High - Strength Bolt

Parameter Category	Description
Thread Standard	Metric (ISO): M8–M64; Imperial (ASTM): 1/2"–2"
Material & Grade	Alloy steel: Grade 8.8 / 10.9 / 12.9 ; Stainless steel alloy: Grade A4-80 / A4-100
Surface Treatment	Hot-dip galvanizing; Dacromet coating ; Phosphating + oil coating ; Black oxide coating
Mechanical Properties	Grade 10.9: Yield strength ≥900MPa, Tensile strength ≥1000MPa; Grade 12.9: Yield strength ≥1080MPa, Tensile strength ≥1200MPa; Shear strength ≥640MPa (Grade 10.9)
Size & Dimensions	Shank length: 20mm–600mm; Head type: Hex head / Hex socket head / Flange head; Thread type: Partial thread / Full thread

Made of high-strength alloy steel (40Cr, 20MnTiB) with quenching and tempering, hardness HRC 28–38.

Available in hex, socket, T-head and friction-grip types, with anti-corrosion surface treatment.

Structural high-strength bolts use friction grip via pre-tension to resist shear and protect threads.

Steel structures, bridges, wind turbines, heavy machinery, aerospace ground equipment.

Expansion Bolt

Eye Bolt

Flat head bolt

Standard Threaded Rod

STAINLESS STEEL DRILLING SCREWS

CHIPBOARD SCREW