- Trusted Seller
Heat Treatment Machine Heat Treatment Equipment Bolt and Nut Heat Treatment Furnace
- Manufacturer: Rainbow
Specification: No. Model Working Dimension(mm) Capacity(kgs/h) 0# RB-150 300*4000 hardening 150, carburizing 60 1# RB-200 400*5000 hardening 200, ...
Heilongjiang, China - Trusted Seller
Heat Treatment Furnace Continues Mesh Belt Furnace Fasteners Heating Machine
- Manufacturer: Rainbow
Specification: No. Model Working Dimension(mm) Capacity(kgs/h) 0# RB-150 300*4000 hardening 150, carburizing 60 1# RB-200 400*5000 hardening 200, ...
Heilongjiang, China - Trusted Seller
Heat Treatment Furnace Continuous Quenching Furnace Continuous Mesh Belt Furnace
- Manufacturer: Rainbow
Specification: No. Model Working Dimension(mm) Capacity(kgs/h) 0# RB-150 300*4000 hardening 150, carburizing 60 1# RB-200 400*5000 hardening 200, ...
Heilongjiang, China - Trusted Seller
Rainbow Fully Automatic Low Price Nut Part 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
2022 The Whole Production Line for Making Bolts and Nuts
- Manufacturer: Rainbow
Specification: No. Model Working Dimension(mm) Capacity(kgs/h) 0# RB-150 300*4000 hardening 150, carburizing 60 1# RB-200 400*5000 hardening 200, ...
Heilongjiang, China - Trusted Seller
2022 Machines for Making All Range Screws and Bolts
- Manufacturer: Rainbow
Specification: No. Model Working Dimension(mm) Capacity(kgs/h) 0# RB-150 300*4000 hardening 150, carburizing 60 1# RB-200 400*5000 hardening 200, ...
Heilongjiang, China - Trusted Seller
Hardening Furnace for Screws and Bolts with Gas Heating
- Manufacturer: Rainbow
Specification: No. Model Working Dimension(mm) Capacity(kgs/h) 0# RB-150 300*4000 hardening 150, carburizing 60 1# RB-200 400*5000 hardening 200, ...
Heilongjiang, China - Trusted Seller
Rainbow 5 Station Bolt Making Machine Automatic Parts Former
- Manufacturer: Rainbow
Product Description Automatic bolt making machine is a specialized machine with the advantages of high precision, high productivity and high automation. We can supply multi-station cold forging machines, includin...
Heilongjiang, China - Trusted Seller
Manual Feeding Circle Die Threading Machine
- Manufacturer: Rainbow
Product Description 1 Machine tools feed with double oil cylinders 2 intermittent rolling 3 free indexing works, 4 It is by the high-precision hydraulic workpiece clamping thimble rolled. 5 precision and efficien...
Heilongjiang, China - Trusted Seller
Automatic Washer and Nut Assembly Machine
- Manufacturer: Rainbow
Our nut washer assembling machine is easy to operate and learn. Its performance is stable, with a resonable price! Model Specification Motor Power Hopper Size(mm) Cutting oil(L) ...
Heilongjiang, China - Trusted Seller
Automatic Multi Station Bolt Making Machine High Speed Parts Former
- Manufacturer: Rainbow
Product Description Automatic bolt making machine is a specialized machine with the advantages of high precision, high productivity and high automation. We can supply multi-station cold forging machines, includin...
Heilongjiang, China - Trusted Seller
6 Station Bolt Former Part Former Part Forging Machine
- Manufacturer: Rainbow
Product Description Auto Multi-station Cold forging fomer is a specialized machine tool with high efficency and automation among forging machinery. Cold forging fomers are used as an important means for producing...
Heilongjiang, China - Trusted Seller
Precision Metal Forming Automotive Parts Forming Machine
- Manufacturer: Rainbow
Product Description Auto Multi-station Cold forging fomer is a specialized machine tool with high efficency and automation among forging machinery. Cold forging fomers are used as an important means for producing...
Heilongjiang, China - Trusted Seller
Screw Bolt Forging Machine for Parts
- Manufacturer: Rainbow
Product Description Auto Multi-station Cold forging fomer is a specialized machine tool with high efficency and automation among forging machinery. Cold forging fomers are used as an important means for producing...
Heilongjiang, China - Trusted Seller
M16 Nut Forming Machine Six Station Cold Forming 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

