Leading Chinese fastener equipment dealers!
Harbin Rainbow Technology Co., Ltd.
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- Harbin Rainbow Technology Co., Ltd.Address:C2-02 Handi Building,Songbei Distr.,Harbin,ChinaPostal Code:150028Web site address:http://www.fastenerequip... Contact Now
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What is Cold Forging – Cold Forging Process, Materials, Uses, Advantages & Disadvantages
Working principle of nut tapping machine
Nut tapping machine is a kind of machining equipment that processes internal threads, screws or teeth buckles on the inner side of the holes of variou...Thread Rolling
Tightening bolts can not be ignored friction can cause problems to solve the problem
fortensionbolt, The friction force is a factor to be reckoned with. Bolt friction joint has been in existence, it may be part of the reason that cause...The Complete Guide to Zinc Plating: All You Need To Know
Difference between hot dip zinc and hot dip galvanising
Hot-dip zincing and hot-dip galvanising are two different processes for corrosion protection of metals, with hot-dip zincing usually providing better ...When to Use Spring Washers: A Comprehensive Guide
What Is Cold Forming?
What's self-tapping screw?
Self-tapping screws: similar to machine screws, but the threads on the screw for special self-tapping screws with threads. Used to fasten the connecti...Analysis of the principle and function of spring washers
In all kinds of mechanical connections, the anti-loosening of bolts is a very important link, and there are many ways to prevent loosening of bolts in...
Keywords : High speed
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Multi Stations Cold Forming Machine Bolt Making Machine
high quality hydraulic forging press bolt making machine power hammer cold forging machine
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Rainbow 5 Station Cold Forging Machine High Speed Bolt Making Machine
MoreModel
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
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5 Station Cold Foging Machine/EXTRA LONG SCREW 400mm
MoreModel
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
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Full automatic nut making machine for Nylock nut former on sale
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Extra long nut part former on sale multi stations nut making machine
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Heavy duty nut former 7 station nut making machine for special parts
High speed nut former, nut making machine,nut forging machine to make hex,flange, nylock nut and special nut parts.
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Semi Cover Screw Threading Machine Thread Rolling Machine for Drywal Screws
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
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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.
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Full Cover Screw Rolling Machine Thread Rolling Machine for Drywal Screws
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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.
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M22 hex Bolt CY22Z Full Cover Screw Rolling Machine for Drywal Screws
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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.
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Rainbow Automatic Screw Thread Rolling Machine Hot Sale Bolt Threading Machine
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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.
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Rainbow Manufacture Bolt Screw Thread Rolling Machine with High Precision
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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.
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Rainbow Automatic Spring Washer Making Machine with Manufacture Price
Rainbow full production of Spring washer making machine. we have all sizes equipment for 3mm, up to above 33mm spring washers.
We can provide a whole line to make spring washer. The spring wahser production line contains cutting machine, belt wire drawing machine, rolling up machine, coil collection machine.
MoreSpring washer machine it include three parts :
1 step,drawing the round wire to belt wire machine.
2 step,rolling up machine.
3 step, cutting machine.
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RBF-205L 5 Station Cold Foging Machine/M20 Screw /Auto Part Machinej
MoreModel
Unit
RBF-205L
Forging force
Kgs
380000
Max cut-off dia
mm
23
Max cut off length
mm
240
Speed range
pcs/min
45-75
P.K.O Stroke
mm
45
K.O stroke
mm
220
Main slide stroke
mm
346
Main motor
kw
75
Cut-off die size
mm
75*120L
Punch die size
mm
90*215L
Main die size
mm
125*240L
Die pitch
mm
140
Main weight
kgs
72000
Normal bolt size
mm
12-20
Shank length of blank
mm
25-200
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RBF-165S 5 Station Cold Foging Machine/M16 Screw /Auto Part Machine
MoreModel
Unit
RBF-165S
Forging force
Kgs
236000
Max cut-off dia
mm
18
Max cut off length
mm
190
Speed range
pcs/min
55-95
P.K.O Stroke
mm
30
K.O stroke
mm
165
Main slide stroke
mm
274
Main motor
kw
55
Cut-off die size
mm
75*100L
Punch die size
mm
75*185L
Main die size
mm
108*200L
Die pitch
mm
129
Main weight
kgs
52000
Normal bolt size
mm
10-16
Shank length of blank
mm
20-150
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RBF-135L 5 Station Cold Foging Machine/M12 Screw /Auto Part Machine
MoreModel
Unit
RBF-135L
Forging force
Kgs
145000
Max cut-off dia
mm
15
Max cut off length
mm
185
Speed range
pcs/min
60-105
P.K.O Stroke
mm
30
K.O stroke
mm
160
Main slide stroke
mm
270
Main motor
kw
37
Cut-off die size
mm
63*69L
Punch die size
mm
60*130L
Main die size
mm
86*190L
Die pitch
mm
110
Main weight
kgs
32000
Normal bolt size
mm
8-12.7
Shank length of blank
mm
20-150
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2025 hot sale nut crimping machine for M10 nylon nut
The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,...
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Most popular nut crimping machine for M12 Nylon nut
The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,...
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High speed nut washer assembly machine for Nylock nut
The nylon nut washer inserting machine produced by Rainbow is suitable for Nylon Lock Nut, Anti-Loosing Nut etc. we have big share in domestic market,...
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High Speed Flat Die Thread Rolling Machine Thread Roller
Various types of thread rolling machine to meet your various needs.
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Multi Station High Speed Automatic Cold Forming Machine/M6 Bolt Making Machine
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.
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High Quality high capacity with good quality thread rolling machine
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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.
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Best Price Full automatic bolt thread making machine with good quality low price
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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.
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High Speed 5 Station Cold Foging Machine Auto Part Forging Machine
MoreModel
Unit
RBF-65S
Forging force
Kgs
43000
Max cut-off dia
mm
8
Max cut off length
mm
95
Speed range
pcs/min
120-200
P.K.O Stroke
mm
15
K.O stroke
mm
80
Main slide stroke
mm
136
Main motor
kw
15
Cut-off die size
mm
30*45L
Punch die size
mm
40*90L
Main die size
mm
50*110L
Die pitch
mm
60
Main weight
kgs
11000
Normal bolt size
mm
3-6
Shank length of blank
mm
10-75
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Rainbow Screw Bolt Thread Rolling Machine with Vibrator
Harbin Rainbow Technology Co.,Ltd is one of the biggest fastener equipment dealer and manufacturer in China.
More
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.
