Place of Origin
Zhejiang, China
Model Number
carriage bolt
Product name
square neck extra large head carriage bolts
Material
Sus, iron ( SPCC, SECC, SPTE), aluminum alloy, copper, brass, bronze
Size
Customized Size,M3-M8 * 5-120mmL
process
Laser Cutting, Stamping, CNC Bending, Welding
Equipment
Laser Cutter, CNC Bending Machine, drilling, grinding,cutting
Surface Finishing
Powder coating, Zinc plating, hot-dip, Silkscreen, polishing
Heat treatment
Tempering,Hardening,Spheroidizing,Stress Relieving.
Thread
Machine, self-tapping, or self-drilling; full thread or half.
Application
Machine & Electric equipment,furniture, plastic,etc