Rainbow High-Speed Cold Heading Screw Machine

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Rainbow High-Speed Cold Heading Screw Machine

Product Overview

Cold Heading Machine

The cold heading machine is an essential component in the fastener industry, working in conjunction with automatic wire rolling machines to produce a variety of fasteners. Here's an overview of its operation and capabilities:

1. **Purpose and Safety**: The cold heading machine is designed to work with different metals like carbon steel, stainless steel, aluminum, and copper. It uses appropriate molds and applies pressure to the metal wire to create the desired fastener head type and diameter. Safety measures are in place to ensure safe operation.

2. **Automated Process**: Utilizing a crankshaft and connecting rod mechanism, the machine automates the forming process. It quickly and efficiently shapes the wire into the required size and configuration for the specific fastener type.

3. **Versatile Production**: The machine can produce a wide range of fastener types, including Truss Head, Countersunk Head, Set Screw, Wood Screw, Chipboard Screw, Self-Tapping Screw, Flat Head Hex Head, Pan Head, Hexagon Head, Socket Head, Button Head, and more.

4. **Semi-finished Products**: After processing, the machine produces semi-finished products that can undergo further finishing processes such as thread rolling to create fully functional fasteners.

5. **Customizable Output**: Manufacturers can adjust the machine to produce different types and sizes of fasteners according to their specific requirements.

6. **Wide Range of Applications**: The fasteners produced by the machine are used in various industries such as construction, automotive, machinery, and electronics.

7. **Support and Assistance**: The manufacturer offers support and assistance to customers, helping them determine the best products for their needs and providing ongoing support throughout the production process.

In summary, the cold heading machine plays a crucial role in the fastener industry, offering versatility, efficiency, and support to manufacturers in producing high-quality fasteners for diverse applications.Product Paramenters

Model	RSH3-20	RSH4-40	RSH4-30G	RSH5-30G
Max. Blank Diameter (mm)	3	4	4	5
Max. Blank Length (mm)	20	40	30	30
Max. Cut off Length (mm)	30	48	48	55
Stroke (mm)	37	68	68	82
Output (Pcs/Min)	150-200	150-180	180-200	160-180
Main Die Diameter (mm)	Φ20X35	Φ30X60	Φ30X50	Φ34.5X56
Punch Die Diameter (1st) (mm)	Φ18X50	Φ25X65	Φ25X65	Φ35X75
Punch Die Diameter (2nd) (mm)	Φ18X50	Φ25X65	Φ25X65	Φ31X75
Cut off Die Diameter (mm)	Φ13X25	Φ15X30	Φ15X30	Φ19X35
Cutter Size (mm)	6X25X42	10X32X72	10X32X72	10X35X72
Main Motor Power (KW)	1.5HP/1.1KW	4.0HP/3.0KW	4.0HP/3.0KW	4.0HP/3.0KW
Machine Size (LWH) (m)	1.40X0.75X0.90	1.80X0.85X1.15	1.80X0.85X1.15	1.80X1.00X1.25
Approx Weight (Kgs)	650	1200	1300	2000

Model	RSH5-50G	RSH5-60	RSH5-80	RSH5-100
Max. Blank Diameter (mm)	5	5	5	5
Max. Blank Length (mm)	50	60	80	100
Max. Cut off Length (mm)	75	80	95	120
Stroke (mm)	92	92	110	130
Output (Pcs/Min)	160-180	120-140	90-110	80-100
Main Die Diameter (mm)	Φ34.5X68	Φ34.5X80	Φ34.5X100	Φ35X120
Punch Die Diameter (1st) (mm)	Φ35X75	Φ31X75	Φ31X75	Φ30X80
Punch Die Diameter (2nd) (mm)	Φ31X75	Φ31X75	Φ31X75	Φ30X80
Cut off Die Diameter (mm)	Φ19X35	Φ19X35	Φ19X35	Φ20X35
Cutter Size (mm)	10X35X72	10X35X72	10X35X72	10X35X72
Main Motor Power (KW)	4.0HP/3.0KW	4.0HP/3.0KW	4.0HP/3.0KW	4.0HP/3.0KW
Machine Size (LWH) (m)	1.80X1.00X1.25	2.30X1.08X1.25	2.40X1.15X1.25	2.50X1.15X1.35
Approx Weight (Kgs)	2100	1800	1850	2200

Model	RSH5-150	RSH6-70	RSH6-90	RSH6-120
Max. Blank Diameter (mm)	5	6	6	6
Max. Blank Length (mm)	150	70	90	120
Max. Cut off Length (mm)	168	110	110	140
Stroke (mm)	190	90	120	150
Output (Pcs/Min)	60-80	90-100	80-90	70-80
Main Die Diameter (mm)	Φ40X180	50X120	Φ50X120	Φ50X150
Punch Die Diameter (1st) (mm)	Φ35X100	35X120	Φ35X120	Φ35X120
Punch Die Diameter (2nd) (mm)	Φ35X100	35X120	Φ35X120	Φ35X120
Cut off Die Diameter (mm)	Φ20X35	24X40	Φ24X40	Φ24X40
Cutter Size (mm)	10X35X72	12X35X77	12X35X77	12X35X77
Main Motor Power (KW)	4.0HP/3.0KW	7.5HP/5.5KW	7.5HP/5.5KW	7.5HP/5.5KW
Machine Size (LWH) (m)	2.60X1.15X1.35	2.50X1.40X1.60	2.70X1.40X1.60	2.80X1.40X1.60
Approx Weight (Kgs)	3000	3300	3300	3600

Model	RSH6-150	RSH6-170	RSH6-200	RSH6-250
Max. Blank Diameter (mm)	6	6	6	6
Max. Blank Length (mm)	150	170	200	250
Max. Cut off Length (mm)	170	190	220	270
Stroke (mm)	190	230	240	310
Output (Pcs/Min)	60-70	50-60	40-50	30-45
Main Die Diameter (mm)	Φ50X180	Φ50X220	Φ50X240	Φ50X285
Punch Die Diameter (1st) (mm)	Φ35X160	Φ35X120	Φ35X120	Φ35X140
Punch Die Diameter (2nd) (mm)	Φ35X160	Φ35X130	Φ35X130	Φ35X130
Cut off Die Diameter (mm)	Φ24X55	Φ24X55	Φ24X60	Φ24X60
Cutter Size (mm)	12X35X77	12X35X77	12X35X77	12X35X77
Main Motor Power (KW)	7.5HP/5.5KW	7.5HP/5.5KW	7.5HP/5.5KW	7.5HP/5.5KW
Machine Size (LWH) (m)	3.00X1.40X1.60	3.20X1.40X1.60	3.65X1.40X1.45	3.70X1.50X1.70
Approx Weight (Kgs)	4200	4200	4900	5400

Model	RSH8-90	RSH8-120	RSH8-150	RSH8-200
Max. Blank Diameter (mm)	8	8	8	8
Max. Blank Length (mm)	90	120	150	200
Max. Cut off Length (mm)	120	140	180	220
Stroke (mm)	130	156	190	250
Output (Pcs/Min)	80-90	60-80	60-70	40-50
Main Die Diameter (mm)	Φ60X120	Φ60X160	Φ60X190	Φ60X240
Punch Die Diameter (1st) (mm)	Φ40X120	Φ40X120	Φ40X120	Φ40X150
Punch Die Diameter (2nd) (mm)	Φ40X120	Φ40X120	Φ40X120	Φ40X150
Cut off Die Diameter (mm)	Φ28X45	Φ28X45	Φ28X45	Φ28X60
Cutter Size (mm)	12X42X90	12X42X90	12X42X90	12X42X90
Main Motor Power (KW)	10HP/7.5KW	10HP/7.5KW	10HP/7.5KW	10HP/7.5KW
Machine Size (LWH) (m)	3.60X1.60X1.80	3.75X1.60X1.80	3.90X1.60X1.80	4.15X1.60X1.85
Approx Weight (Kgs)	4800	4900	6200	6500

Model	RSH8-250	RSH8-300	RSH10-120	RSH10-150
Max. Blank Diameter (mm)	8	8	10	10
Max. Blank Length (mm)	250	300	120	150
Max. Cut off Length (mm)	270	330	140	180
Stroke (mm)	290	365	150	210
Output (Pcs/Min)	30-45	25-35	50-60	45-55
Main Die Diameter (mm)	Φ60X290	Φ60X360	Φ80X160	Φ80X190
Punch Die Diameter (1st) (mm)	Φ40X150	Φ40X180	Φ55X150	Φ55X150
Punch Die Diameter (2nd) (mm)	Φ40X150	Φ40X180	Φ55X150	Φ55X150
Cut off Die Diameter (mm)	Φ28X60	Φ28X60	Φ40X50	Φ40X50
Cutter Size (mm)	12X42X90	12X42X90	16X55X115	16X55X115
Main Motor Power (KW)	10HP/7.5KW	10HP/7.5KW	15HP/11KW	15HP/11KW
Machine Size (LWH) (m)	4.30X1.60X1.90	4.30X1.60X1.90	4.80X1.80X1.70	3.90X1.80X1.70
Approx Weight (Kgs)	7800	8500	8450	8800

Model	RSH10-220	RSH10-260	RSH10-300	RSH12-70
Max. Blank Diameter (mm)	10	10	10	12
Max. Blank Length (mm)	220	260	300	70
Max. Cut off Length (mm)	240	280	320	90
Stroke (mm)	260	300	350	120
Output (Pcs/Min)	40-50	30-40	25-35	60-70
Main Die Diameter (mm)	Φ80X260	Φ80X290	Φ80X360	Φ80X120
Punch Die Diameter (1st) (mm)	Φ55X150	Φ55X150	Φ55X180	Φ55X120
Punch Die Diameter (2nd) (mm)	Φ55X150	Φ55X150	Φ55X180	Φ55X120
Cut off Die Diameter (mm)	Φ40X50	Φ40X60	Φ40X50	Φ35X45
Cutter Size (mm)	16X55X115	16X55X115	16X55X115	16X50X125
Main Motor Power (KW)	15HP/11KW	15HP/11KW	15HP/11KW	20HP/15KW
Machine Size (LWH) (m)	5.00X1.80X1.70	5.15X1.80X1.70	5.50X1.80X2.00	4.50X2.00X1.32
Approx Weight (Kgs)	9100	10200	11800	8700

Model	RSH12-150	RSH12-200	RSH12-250	RSH12-300
Max. Blank Diameter (mm)	12	12	12	12
Max. Blank Length (mm)	150	200	250	300
Max. Cut off Length (mm)	170	220	270	320
Stroke (mm)	190	250	300	330
Output (Pcs/Min)	40-50	30-40	30-40	25-35
Main Die Diameter (mm)	Φ80X200	Φ88X260	Φ88X330	Φ88X360
Punch Die Diameter (1st) (mm)	Φ60X180	Φ60X180	Φ60X180	Φ60X180
Punch Die Diameter (2nd) (mm)	Φ60X180	Φ60X180	Φ60X180	Φ60X180
Cut off Die Diameter (mm)	Φ45X60	Φ45X60	Φ45X60	Φ45X60
Cutter Size (mm)	18X60X125	18X60X125	18X60X125	18X60X125
Main Motor Power (KW)	25HP/18.5KW	25HP/18.5KW	25HP/18.5KW	25HP/18.5KW
Machine Size (LWH) (m)	5.20X1.90X1.80	5.20X1.90X1.80	5.20X1.90X1.80	5.20X1.90X1.80
Approx Weight (Kgs)	14000	14300	15000	15850

Model	RSH12-450	RSH16-180	RSH16-450
Max. Blank Diameter (mm)	12	16	16
Max. Blank Length (mm)	450	180	450
Max. Cut off Length (mm)	480	210	480
Stroke (mm)	550	240	550
Output (Pcs/Min)	25-35	35-40	25-35
Main Die Diameter (mm)	Φ90X540	Φ98X220	Φ98X540
Punch Die Diameter (1st) (mm)	Φ60X270	Φ65X180	Φ60X270
Punch Die Diameter (2nd) (mm)	Φ60X270	Φ65X180	Φ60X270
Cut off Die Diameter (mm)	Φ45X60	Φ60X80	Φ60X80
Cutter Size (mm)	18X60X125	20X60X125	20X70X125
Main Motor Power (KW)	25HP/22KW	25HP/22KW	25HP/22KW
Machine Size (LWH) (m)	6.50X2.25X2.10	4.40X2.10X1.95	6.50X2.25X2.10
Approx Weight (Kgs)	20800	20800	21000

Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 14 Dec, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.

1. What is the Rainbow High-Speed Cold Heading Screw Machine?

A cold heading machine designed for high-speed forming of fastener blanks from wire. It uses crankshaft-and-connecting-rod automation and dedicated dies to produce a wide variety of semi-finished screw and fastener heads for downstream processing.

2. Which materials can this machine process?

It can cold-head common fastener metals such as carbon steel, stainless steel, aluminum and copper, using appropriate dies and process settings for each material.

3. What types of fasteners can it produce?

The machine can form many head types including truss, countersunk, set screws, wood screws, chipboard and self-tapping screws, flat/hex/pan/socket/button heads and more, depending on tooling.

4. What are the available models and how do I choose one?

Multiple models are offered (RSH3, RSH4, RSH5, RSH6, RSH8, RSH10, RSH12, RSH16, etc.), each differing by maximum blank diameter/length, stroke and output. Choose based on the maximum blank size, required output rate and the blank length your application needs.

5. What production rates can I expect?

Output depends on model and part geometry; typical ranges across the product line are approximately 25 to 200 pieces per minute. Smaller parts and higher-speed models yield the top rates.

6. What blank sizes and lengths are supported?

Depending on model, the machines support approximate blank diameters from about 3–16 mm and blank lengths from short cutoffs up to around 450 mm. Exact limits depend on the chosen model—refer to the model specification table for details.

7. What power, size and weight considerations should I plan for?

Main motor power varies by model (roughly 1.1 kW up to around 22 kW/25 HP). Machine footprints range from about 1.4×0.75×0.9 m to 6.5×2.25×2.1 m and weights from roughly 650 kg up to ~21,000 kg depending on model. Check the specific model datasheet before installation planning.

8. How does the machine handle tooling (dies/cutters) and changeover?

Forming is done with main dies, punch dies and cut-off dies sized to the part. Dies and cutters are replaceable; changeover involves removing and installing the appropriate die sets. For complex changeovers or custom heads, the manufacturer can supply or machine the required tooling.

9. Does the machine produce finished screws or semi-finished blanks?

It produces semi-finished blanks (headed and cut to length). Secondary processes such as thread rolling, heat treatment and surface finishing are typically required to make final functional screws.

10. Can the cold heading machine be integrated with my wire rolling line?

Yes. These machines are designed to operate in conjunction with automatic wire rolling/feeding equipment. The manufacturer can advise on compatible feeders and integration for continuous operation.

11. What safety features and operator protections are provided?

The product overview notes safety measures are in place. Standard protections typically include guards, emergency stop, interlocks and recommended safe operating procedures. Confirm exact safety features for the model you purchase and follow local machine-safety regulations.

12. What maintenance is required and are spare parts available?

Routine maintenance includes lubrication, periodic inspection of dies, punches and cutters, and checking fasteners and bearings. The manufacturer provides spare parts and technical support—keep critical spare dies and cutters on hand to reduce downtime.

13. Can the machine be customized for special fastener designs?

Yes. The machine output can be customized via special tooling and process parameter adjustments. For unique head forms, sizes or nonstandard materials, consult the manufacturer for tooling design and feasibility.

14. What technical support, installation and training services are available?

The manufacturer offers support and assistance, including help selecting the right model, installation guidance, commissioning and operator/maintenance training. Contact them to arrange on-site or remote support options.

15. How do I get pricing, lead time, warranty and after-sales details?

Pricing, lead time, warranty terms and after-sales service vary by model, configuration and region. Contact the manufacturer or authorized distributor with your part specifications and production requirements to receive a tailored quote and delivery schedule.