Used bolt

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
Lower Gas Consumption Heat Treatment Furnace for Bolts and Nuts
- Manufacturer: Rainbow
Product Description Features Electricity-saving: adopts high tensile calcium silicate board, Ceramic fiber board heat-resistant material for high per- formance. Operation: adopts automatic control to save man pow...
Heilongjiang, China
Trusted Seller
Multi Stations Cold Forging Air Hammer 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
Good Quality Manual Shovel Oil Storage 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
Multi Stations Cold Forging Air Hammer 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
4 Stations Power Hammer Forging Machine 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
High Precision and Quality Mesh Belt Quenching Furnace for Bolts and Nuts
- 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
Chinese Local Famous Brand Bolt and Nut Heat Treatment Ovens
- Manufacturer: Rainbow
Hardening medium: Oil quenching Products: Standard fasteners The whole set heat treatment line is composed of Lifting Feeding Machine, Weighting Device, Pre-Water Immersion Type Washer, Vibration Spreader, No-Muf...
Heilongjiang, China
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
Nut Bolting Former Machine Automatic Mechanical Forging Heading Machine
- 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
Nut Bolt Making Machine Feeder Forging Cold Heading Machine
- 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