Bolt Making Machines

Bolt making machines are specialized for producing bolts with high precision and strength. Automatic 4-Station Bolt Making Machine: Designed for high-speed production . Hexagon Bolt Forming Machine: Used for non-standard multi-step bolts. Widely used in construction, automotive, and machinery industries.

Harbin Rainbow Technology Co.,Ltd.

---Cold Forging Machine China Manufacture

---Bolt Making Machine China Manufacture

One of the biggest fastener equipment dealer and manufacturer in China. 

We have invested one Cold former factory (NINGBO), one Thread rolling machine factory(NINGBO), 

one Heat treatment furnace factory (SUQIAN) and one Electroplating equipment factory(WUXI). 

We have more than 30 years experiences in supplying all kinds of fastener equipment, such as

Screw Making Machine, Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine,

Cold Forging Machine, Rivet Making Machine, Nail Making Machine, Nut Tapping Machine,

Spring Washer Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. 

to customers all over the world.