T38 190mm Coupling Sleeve

T38 190mm Rock Drilling Tools Threaded Rod Coupling Sleeve

Brand Name	MIROC
Material	Alloy Steel
Processing Type	Forging
Application	Mining / Quarrying / quarrying / Construction
Advantage	Good quality and lower price.
Color	Black Or Customized
Type	full-bridge, semi-bridge etc.
Length	150mm-235mm (or 6 inch to 9 1/4 inch)
Diameter	35mm-77mm (or 1 3/8 inch to 3 inch)
Thread	R25,R28,R32,R38,T38,T45,T51
Certification	ISO

Product Description

Couplings sleeve are used to well connect the shank adapter to the drill rods or well contact two extension rods for transmitting energy. It has standard type coupling and crossover coupling.There are many thread specifications of the connecting sleeve, according to the needs of the supporting rod, there can be a variety of combinations.

Coupling Sleeve
Length		Diameter		Thread	Weight	Part Number
mm	inch	mm	inch		kg
R25 Coupling Sleeve
150	6	35	1 3/8	R25	0.7	4148300429
155	6 1/9	44	1 3/4	R25	1	4148300430
160	6 2/7	38	1 1/2	R25	1.3	4148300431
R28 Coupling Sleeve
150	6	40	1 4/7	R28	0.9	4148300483
170	6 2/3	55	2 1/6	R28	2	4148300484
R32 Coupling Sleeve
150	6	44	1 3/4	R32	1	4148300646
160	6 2/7	44	1 3/4	R32	1.1	4148300647
R38 Coupling Sleeve
170	6 2/3	55	2 1/6	R38	1.9	4148300703
190	7 1/2	55	2 1/6	R38	2.1	4148300704
T38 Coupling Sleeve
190	7 1/2	55	2 1/6	T38	2.1	4148300803
T45 Coupling Sleeve
210	8 1/4	63	2 1/2	T45	3	4148300881
210	8 1/4	66	2 3/5	T45	3.3	4148300882
T51 Coupling Sleeve
225	8 6/7	71	2 4/5	T51	4.6	4148300961
225	8 6/7	76	3	T51	4.8	4148300962
235	9 1/4	72	2 5/6	T51	4.7	4148300963
235	9 1/4	77	3	T51	4.9	4148300964

Competitive Advantage

Very competitive price
Professinal service team and special after sale team
Fast response about all questions from clients
Design based on your specific requirements

Our service

Competitive factory price
Delivery on time
Excellent after service

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Frequently Asked Questions

Q：Are you manufacturery or trade company?

A:We are manufacturer, has more than 10 years of professional production experience .Products including DTH Hammer and Bit、Drill Pipe Casing System、Tricone Bit、Top Hammer Drill Rod、 Drill Bit、Tapper Button Bit and Rod、 Integral Drill Rod etc.

Q: Do you offer warranty on your products?

A: Yes. For different products we offer different warranty that cover all manufacturing defects in materials and workmanship. The longest period of warranty is 6 months after shipping date.

Q: How is your quality control?

A: We have our own experienced quality control. There will be strict inspection and testing for every order before shipping out.

Q: How long is your delivery time?

A: 1-5days for the products in stock； regular order delivery in 2-3weeks.

Q: After Services

A:(1) Our sales team will response for your question within 24 hours (Holidays included).

(2) Technical Support will be available in any time.

(3)Free replacement will provide once the failure confirmed caused by our product quality.

Q:Methods of Payment

A:We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc. You can choose your preferred payment methods before we shipping the goods.

Q: Do you offer OEM service?

A:Yes, we can offer OEM service if you have regular requirement.

Q: Where did you export ?

A:Till 2022 we have exported to 50+ countries.