Hex Screw DIN933 / DIN931

DIN933 is full-thread hex screw while DIN931 is half-thread type, complying with ISO4017/4014 standards.

Materials: Carbon steel in Grade 4.8/8.8/10.9/12.9; 304/316 stainless steel. Finishes: zinc plating, black oxide, passivation.

Features: Standard hex head for spanner installation; full thread for thin parts, half thread for thick workpieces; complete metric sizes M1.6-M52 with custom lengths.

Selling Points: High tensile strength, stable clamping force; corrosion-resistant stainless steel option; sufficient stock, OEM customization, factory direct wholesale price.

Applications: Machinery, auto parts, steel construction, electrical cabinets, molds and general industrial assembly.