China High Performance Carburized Full Bridge Couplig Sleeves for Rock Drilling Manufacturer, Factory

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China High Performance Carburized Full Bridge Couplig Sleeves for Rock Drilling Manufacturer, Factory

Product Details

Customization:	Available
After-sales Service:	Repair or Replacement
Warranty:	6 Months

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Product Description

Basic Information

Model NO.

Coupling Sleeves-Full Bridge

Certification

ISO 9001:2000, ISO 9001:2008

Standard

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Carbon Steel

Thread

R25/R32/T38/T45/T51

Machine Type

Drilling Tools

Color

Red, Black, Yellow, White

Material Quality

23crni3mo

Production Capacity

500000PCS/Month

HS Code

82071990

Packaging & Delivery

Package Size

30.00cm * 30.00cm * 30.00cm

Package Gross Weight

5.000kg

Transport Package

Wooden Case / Carton

Product Description

Used in extension rod connection, its function is to transmit impact energy from the rock-drill piston, as well as rotation torque, into the drill string with no losses. It must withstand and transmit up to 6300 blows per minute from the piston continually, with great endurance and dependability.

Available Sizes: R25, R28, R32, R35, R38, T38, T45, T51, R25-R28, R22-R25, R25-R32, R32-R38, R32-T38.

Standard Lengths: 140mm - 235mm

COUPLINGS
THREAD	LENGTH (L)		DIAMETER (D)		Weight
THREAD	mm	In	mm	In	Kg
R22	140	5-1-2	30	1-3-16	0.45
R25	150	5-29/32	33	1-5-16	0.5
R25	150	5-29/32	35	1-3-8	0.52
R28	150	5-29/32	39	1-17/32	0.6
R32	150	5-29/32	42	1-21/32	0.9
R32	150	5-29/32	44	1-23/32	0.95
R38	170	6-11-16	55	2-5/32	1.75
T38	190	7-1-2	52	2-3/64	1.6
T38	190	7-1-2	55	2-5/32	1.95
T45	210	8-1-4	63	2-15/32	2.75
T45 HD	210	8-1-4	66	2-19/32	3.2
T51	225	8-7-8	72	2-13/16	3.85
T51 HD	225	8-7-8	76	3	4.68

COUPLINGS - Full Bridge
THREAD	LENGTH (L)		DIAMETER (D)		Weight
THREAD	mm	In	mm	In	Kg
R25	200	7-7-8	35	1-3-8	0.8
R28	160	6-5-16	39	1-17/32	0.7
R32	200	7-7-8	44	1-23/32	1.5
R32	300	11-13/16	44	1-23/32	2.6
R38	210	8-1-4	55	2-5/32	2.6
T38	205	8-1-16	55	2-5/32	2.31
T45	230	9-1-16	63	2-15/32	3.5
T51	250	9-13/16	72	2-13/16	5.3

Frequently Asked Questions

1. What is the primary function of these coupling sleeves?

Coupling sleeves are used in extension rod connections to transmit impact energy and rotation torque from the rock-drill piston to the drill string with minimal loss.

2. What materials are used in the manufacturing process?

The products are manufactured using high-quality carbon steel, specifically 23crni3mo, through a professional forging process to ensure durability.

3. How many blows per minute can the coupling withstand?

These couplings are designed for heavy-duty use and can continually withstand and transmit up to 6300 blows per minute from the piston.

4. Which thread sizes are available for order?

We offer a wide range of thread sizes including R25, R28, R32, R35, R38, T38, T45, and T51, as well as various crossover combinations.

5. What are the typical packaging options?

Products are typically packed in sturdy wooden cases or cartons to ensure safe transport. The standard package size is 30x30x30cm with a gross weight of approximately 5kg.

6. Are the products certified for quality?

Yes, the manufacturing processes and products adhere to ISO 9001:2000 and ISO 9001:2008 quality management standards.