Used Rainbow Processing

Trusted Seller
High Speed Cold Forging Machines for The Processing of Bolts and Nuts
- Manufacturer: regenboog
1) Equipment advantages The multi-station nut cold heading machine produced by our company is well-made, with high workpiece precision, good stability, and easy operation, especially for the production and proces...
Heilongjiang, China
Trusted Seller
Heat Treatment Tempering Furnace
- Manufacturer: regenboog
1. The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→ Hardening Furnace → Oil quenching tank → Rear Washer → Tempering furnace→Electric Control Cabinet, etc. The buyer ca...
Heilongjiang, China
Trusted Seller
Tempering Furnace
- Manufacturer: regenboog
1. The whole set heat treatment line is composed of : Automatic Feeding Machine →Front Washer→ Hardening Furnace → Oil quenching tank → Rear Washer → Tempering furnace→Electric Control Cabinet, etc. The buyer ca...
Heilongjiang, China
Trusted Seller
Mesh Belt Heat Treatment Tempering Furnace for Fasteners
- Manufacturer: Rainbow
Harbin Rainbow Technology Co., Ltd. is a leading fastener equipments supplier in China. The main business is manufacturing cold forging machine, such as Bolt Maker, Nut Maker, Heading Machine, Thread Rolling Mach...
Heilongjiang, China
Trusted Seller
Good Price and Quality Fully Automatic Nut Former Machine Nut Forging Machine
- Manufacturer: Rainbow
Product Description Model RNF08B-6S-12 Forging station 6 Max forging Dia (mm) 8 Max Cut off dia (mm) 8 Product Size M4-M5 Forging length (mm) 12 Die pitch (mm) 38 Slider stroke (mm) 40 Output (per.min) 175-350 Ma...
Heilongjiang, China
Trusted Seller
Fully Automatic Good Quality Cold Forging Machine Bolt Nut Machine
- Manufacturer: Rainbow
Product Description Model RNF08B-6S-12 Forging station 6 Max forging Dia (mm) 8 Max Cut off dia (mm) 8 Product Size M4-M5 Forging length (mm) 12 Die pitch (mm) 38 Slider stroke (mm) 40 Output (per.min) 175-350 Ma...
Heilongjiang, China
Trusted Seller
Fully Automatic Nut Manufacturing Machine Cold Forging Machine
- Manufacturer: Rainbow
Product Description Model RNF08B-6S-12 Forging station 6 Max forging Dia (mm) 8 Max Cut off dia (mm) 8 Product Size M4-M5 Forging length (mm) 12 Die pitch (mm) 38 Slider stroke (mm) 40 Output (per.min) 175-350 Ma...
Heilongjiang, China
Trusted Seller
Automatic Nut Former Machine Bolt Nut Manufacturing Machine
- Manufacturer: Rainbow
Product Description Model RNF08B-6S-12 Forging station 6 Max forging Dia (mm) 8 Max Cut off dia (mm) 8 Product Size M4-M5 Forging length (mm) 12 Die pitch (mm) 38 Slider stroke (mm) 40 Output (per.min) 175-350 Ma...
Heilongjiang, China
Trusted Seller
Fully Automatic Nut Forging Machine Nut Bolt Making Machine
- Manufacturer: Rainbow
Product Description Model RNF08B-6S-12 Forging station 6 Max forging Dia (mm) 8 Max Cut off dia (mm) 8 Product Size M4-M5 Forging length (mm) 12 Die pitch (mm) 38 Slider stroke (mm) 40 Output (per.min) 175-350 Ma...
Heilongjiang, China
Trusted Seller
2025 Hot Sale Bolt Maker M16 Extra Long Bolt Making Machine
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
Heavy Duty 4 Station Bolt Making Machine for M8 Bolt Maker
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
High Speed Nyloc Nut Washer Assembly Machine
- Manufacturer: Rainbow
Company Profile Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China. We have invested one Cold former factory(Ningbo), one Thread rolling machine factory(Ni...
Heilongjiang, China
Trusted Seller
Hot Sale Screw and Bolt Thread Making Machine
- Manufacturer: Rainbow
PROMISE AND SERVICE We promise to serve our valuable customers qualified machines with reliable and durable performance,also quick, satisfied trouble shooting and aftersale service. Our machines warranty policy a...
Heilongjiang, China
Trusted Seller
Best Price Rebar Steel Thread Making Machine
- Manufacturer: Rainbow
PROMISE AND SERVICE We promise to serve our valuable customers qualified machines with reliable and durable performance,also quick, satisfied trouble shooting and aftersale service. Our machines warranty policy a...
Heilongjiang, China
Trusted Seller
Automatic CE Certificate Screw Bolt Thread Making Machine
- Manufacturer: Rainbow
Product Description Model CY05Z Diameter Range (mm) 3-5 Screw Length (mm) 50/75 Max. Thread Length (mm) 50 Moving Die Size (mm) 76/89/25 Main Motor (KW) 2.2 Output (Pcs/M...
Heilongjiang, China