Used bolt

Trusted Seller
Screw Making Machine Header Machine for 12 mm Bolt
- Manufacturer: Rainbow
semi-tubular heading machine-15A 5mm A. Description of goods: Model HRS-15A Max.cut off dia 5mm Max.cut-off length 70mm Main slide Stroke 102mm Outpout 70-100 Die dia 34...
Heilongjiang, China
Trusted Seller
China 6 Station Fully Automatic Nut Bolt Forging Machine
- Manufacturer: Rainbow
Product Description Production Items: Extra thick nut, Flanged nut, Motorcycle link pin, Oil Plug screw, Hex socket lockup nut, Squire nut, Weld nut, Cap nut, Blind Nut, Chain roller, Expansion anchor, Bicycle an...
Heilongjiang, China
Trusted Seller
4 Die 4 Blow Cold Forging Machine/Bolt Maker
- Manufacturer: Rainbow
Inner structut of boltmaker. Harbin Rainbow technology Co., Ltd. Is a professional import and export company in China, mainly dealing in the import and export of the mechanical and electrical products. Our compan...
Heilongjiang, China
Trusted Seller
Multi-Station Cold Former Machine Bolt Cold Former Machine
- Manufacturer: Rainbow
Salient Features of our cold former machine: 1. The air clutch brake system has been designed to actuate with low current and as "inching", "single stroke" and "continuous running". Except "inching", the machine ...
Heilongjiang, China
Trusted Seller
400PCS/Min High Speed Screw and Bolt Making Machines
- Manufacturer: Rainbow
Product Description Model Diameter (mm) Screw Length (mm) Thread Length (mm) Moving Dies Stationary Length Main Motor (kw) Mas. Outpu...
Heilongjiang, China
Trusted Seller
Heavy Duty Nuts and Bolts Making Machines Good Price Nut Former
- Manufacturer: Rainbow
Product Description Nuts making machine, it can maily make the nuts, and different type nuts. It can finish the products in one time. So it is energy saving and high productivity and easy use. Our machine in Chin...
Heilongjiang, China
Trusted Seller
Japan Brand Pneumatic Triples Bolt Making Machine
- Manufacturer: Rainbow
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
Chinese Made Bolt and Nut Heat Treatment Line Anealing Furnace
- Manufacturer: Rainbow
Product Description Product Parameters Hardening medium: Oil quenching Products: Standard fasteners The whole set heat treatment line is composed of Lifting Feeding Machine, Weighting Device, Pre-Water Immersion ...
Heilongjiang, China
Trusted Seller
China Supply 4 Die 4 Blow Bolt Former with CE
- Manufacturer: Rainbow
A.Description of goods: Model 64S 164S Number of Heading Station 4 4 Forging Force (kgs) 35000 210000 Maximum Cut off Diameter (mm) 8 18 Maximum Cut off Len...
Heilongjiang, China
Trusted Seller
Fasteners Heat Treatment Furnace Bolt and Nut Heat Treatment Furnace
- Manufacturer: Rainbow
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 can c...
Heilongjiang, China
Trusted Seller
M3-M6 Socket and Hex Bolt Making Machine
- Manufacturer: Rainbow
This machine is fully automatic and high-speed forming equipment. Suit for bellow products. 1. DIN. AISI. GB. Standard fasteners 2. Non-standard fasteners and massive produced metal parts for automotive electroni...
Heilongjiang, China
Trusted Seller
Full Automatic Precision Press Bolt Forming Machine
- Manufacturer: Rainbow
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
2025 China Manufacturer 6 Stations Bolt and Nut Making Machine
- Manufacturer: Rainbow
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