Leading Chinese fastener equipment dealers!
Harbin Rainbow Technology Co., Ltd.
China manufacturer bolt making machine bolt maker bolt former
MoreHarbin 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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!
MoreHarbin 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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!
More

|
Model |
Unit |
RBF-164S |
RBF-204L | RBF-254SL |
|
Forging force |
Kgs |
220,000 |
380,000 | 450,000 |
|
Max cut-off dia |
mm |
18 |
23 | 26 |
|
Max cut off length |
mm |
195 |
240 | 255 |
|
Speed range |
pcs/min |
70-110 |
50-80 | 40-70 |
|
P.K.O Stroke |
mm |
30 |
45 | 35 |
|
K.O stroke |
mm |
170 |
220 | 215 |
|
Main slide stroke |
mm |
260 |
346 | 330 |
|
Main motor |
kw |
55 |
75 | 110 |
|
Cut-off die size |
mm |
60*90L |
75*120L | 80*130L |
|
Punch die size |
mm |
75*185L |
90*215L | 120*270L |
|
Main die size |
mm |
100*190L |
125*240L | 140*250L |
|
Die pitch |
mm |
120 |
140 | 160 |
|
Main weight |
kgs |
40,000 |
62,000 | 103,000 |
|
Normal bolt size |
mm |
10-16 |
12-20 | 14-25.4 |
|
Shank length of blank |
mm |
20-150 |
25-200 | 35-200 |
high quality hydraulic forging press bolt making machine power hammer cold forging machine
MoreHarbin 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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!
Morehigh quality hydraulic forging press bolt making machine power hammer cold forging machine
More

|
Model |
Unit |
RBF-65S |
RBF-85S | RBF-105S | RBF-135S |
|
Forging force |
Kgs |
43,000 |
85,000 | 98,000 | 145,000 |
|
Max cut-off dia |
mm |
8 |
10 | 12 | 15 |
|
Max cut off length |
mm |
95 |
100 | 133 | 185 |
|
Speed range |
pcs/min |
120-200 |
95-160 | 90-150 | 60-105 |
|
P.K.O Stroke |
mm |
15 |
26 | 20 | 30 |
|
K.O stroke |
mm |
80 |
85 | 110 | 160 |
|
Main slide stroke |
mm |
136 |
140 | 190 | 270 |
|
Main motor |
kw |
15 |
22 | 30 | 37 |
|
Cut-off die size |
mm |
30*45L |
35*62L | 45*59L | 63*69L |
|
Punch die size |
mm |
40*90L |
45*115L | 53*115L | 60*130L |
|
Main die size |
mm |
50*110L |
60*120L | 75*135L | 86*190L |
|
Die pitch |
mm |
60 |
80 | 94 | 110 |
|
Main weight |
kgs |
11,000 |
17,000 | 20,000 | 32,000 |
|
Normal bolt size |
mm |
3-6 |
5-8 | 6-10 | 8-12.7 |
|
Shank length of blank |
mm |
10-75 |
15-75 | 15-100 | 20-150 |
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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!
MoreChinese high speed 4 station bolt former for standard and non standard bolts
Morehigh quality hydraulic forging press bolt making machine power hammer cold forging machine
MoreHarbin 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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!
More

|
Model |
Unit |
RBF-255L |
RBF-205LL |
|
Forging force |
Kgs |
480,000 |
480,000 |
|
Max cut-off dia |
mm |
30 |
32 |
|
Max cut off length |
mm |
370 |
450 |
|
Speed range |
pcs/min |
35-55 |
30-50 |
|
P.K.O Stroke |
mm |
45 |
60 |
|
K.O stroke |
mm |
315 |
400 |
|
Main slide stroke |
mm |
500 |
620 |
|
Main motor |
kw |
110 |
110 |
|
Cut-off die size |
mm |
99*150L |
99*150L |
|
Punch die size |
mm |
120*270L |
120*270L |
|
Main die size |
mm |
148*355L |
148*450L |
|
Die pitch |
mm |
160 |
160 |
|
Main weight |
kgs |
130,000 |
160,000 |
|
Normal bolt size |
mm |
16-25.4 |
16-25.4 |
|
Shank length of blank |
mm |
60-300 |
120-400 |
China manufacturer nuts and bolts cold forging machine power hammer forging hex bolt making machine
MoreHarbin 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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!
MoreHarbin 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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!
MoreHarbin 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(Ningbo), one Heat treatment furnace factory(Suqian) and one Electro plating equipment factory(Wuxi).
We have more than 30 years experiences in supplying all kinds of fastener equipment, such as Bolt Maker, Nut Maker, Cold Heading Machine, Thread Rolling Machine, Wire Drawing Machine, Heat Treatment Furnace and Zinc Plating line, etc. to customers all over the world, With our reputation increasing and our team becoming more professional, we have experienced a significant growth in business during the recent years.
Nowadays, more and more reputed companies compete in a long-term cooperation with us.We abide by the principles of honesty, credibility, and mutual-benefit. Our motto is “ONCE BUSINESS, FOREVER FRIENDS”, we will do our best to serve clients at home and abroad. Due to our top-notch professional knowledge and rich trad experience, we have seen our market developing ability and actual business growth with an increasingly faster pace. We sincerely look forward to working with you. Let's build a great future together!
More

|
Model |
Unit |
RBF-105S |
|
Forging force |
Kgs |
98000 |
|
Max cut-off dia |
mm |
12 |
|
Max cut off length |
mm |
133 |
|
Speed range |
pcs/min |
90-150 |
|
P.K.O Stroke |
mm |
20 |
|
K.O stroke |
mm |
110 |
|
Main slide stroke |
mm |
190 |
|
Main motor |
kw |
30 |
|
Cut-off die size |
mm |
45*59L |
|
Punch die size |
mm |
53*115L |
|
Main die size |
mm |
75*135L |
|
Die pitch |
mm |
94 |
|
Main weight |
kgs |
20000 |
|
Normal bolt size |
mm |
6-10 |
|
Shank length of blank |
mm |
15-100 |
high quality hydraulic forging press bolt making machine power hammer cold forging machine
Morehigh quality hydraulic forging press bolt making machine power hammer cold forging machine
More

|
Model |
Unit |
RBF-164S |
RBF-204L | RBF-254SL |
|
Forging force |
Kgs |
220,000 |
380,000 | 450,000 |
|
Max cut-off dia |
mm |
18 |
23 | 26 |
|
Max cut off length |
mm |
195 |
240 | 255 |
|
Speed range |
pcs/min |
70-110 |
50-80 | 40-70 |
|
P.K.O Stroke |
mm |
30 |
45 | 35 |
|
K.O stroke |
mm |
170 |
220 | 215 |
|
Main slide stroke |
mm |
260 |
346 | 330 |
|
Main motor |
kw |
55 |
75 | 110 |
|
Cut-off die size |
mm |
60*90L |
75*120L | 80*130L |
|
Punch die size |
mm |
75*185L |
90*215L | 120*270L |
|
Main die size |
mm |
100*190L |
125*240L | 140*250L |
|
Die pitch |
mm |
120 |
140 | 160 |
|
Main weight |
kgs |
40,000 |
62,000 | 103,000 |
|
Normal bolt size |
mm |
10-16 |
12-20 | 14-25.4 |
|
Shank length of blank |
mm |
20-150 |
25-200 | 35-200 |

Automatic multi-station Cold Bolt Former is a specialized machine tool with high efficiency and automation among forging machinery. Cold forging technique and automatic cold forging formers are used as an important means for producing different kinds of bolts, screws, rivets and nuts in the field of fastener industry. Because of the advantage of the cold forging equipment itself and the superiority of cold forging technique, the formers also are widely used in different national economic territories for producing fasteners and abnormal non-standard parts such as aviation steamer, machinery, rail traffic, vehicle, motorcycle, bicycle, sewing machine, construction, furniture, light industry and daily necessities, etc.
