Material

Alloy Steel, Carbon Steel, Stainless Steel, Hardend & Tempered Steel, Cast Iron, Aluminum, Copper, Brass and so on

process

Forging or casting

Heat treatment

High frequency quenching,  teeth  hardening

Surface treatment

Blacking as per customer's requirement

standard

GB1244-85,DIN8187,8188;ISO/R606

Payment,minimum order and delivery

T/T (30% deposit in advance, balance collected before  shipping)Minimum order is 1000pcs. Delivery time is 20-30days after receiving deposit

Packaging

Inner plastic bag and carton box wooden case