Condition	New	Color	black or Customized
Applicable Industries	Construction works , Energy & Mining, Tunneling	Diameter	45MM-76MM
Video outgoing-inspection	Provided	Thread Type	R25,R28,R32,R38,T38,T45,T51
Machinery Test Report	Provided	Key words	Coupling Sleeve
Brand Name	Jcdrill	Application	Mining / Quarrying / Tunneling/Blasting
Type	Drill Sleeve	Length	150MM-235MM
Machine Type	Drilling Tool	Formation	Hard / Medium hard / Soft Rock Formation
Material	Carbide	Bridge type	Semi-bridge / Full-bridge
Processing Type	Forging	Raw Material	High quality alloy steel
Use	Mining

R3212
Drill Bit	Bit Dia.		NO x Button x Dia.			Flushing Hole		Weight
	mm	inch	Front	Gauge	Angle	Front	Side	（KG）
	48	1 7/8	2x9	3x11	35°	1	1	0.7
	48	1 7/8	2x9	5x11	35°	1	1	0.7
	55	2 1/8	1x12	3x14	35°	1	1	0.9
	55	2 1/8	2x10,1x10	4x12	35°	1	1	0.8
	55	2 1/8	2x10,1x10	4x10	35°	1	1	0.8
	55	2 1/8	3x9	6x10	35°	3		0.9
	60	2 3/8	2x12	3x14	40°	1	1	1.0
	60	2 3/8	2x11	5x12	40°	1	1	1.0
	60	2 3/8	2x10,1x10	4x12	40°	2	1	0.9
	60	2 3/8	3x10	6x11	40°	3		1.1
	65	2 1/2	2x13	3x14	40°	1	1	1.1
	65	2 1/2	3x12	3x14	40°	1	1	1.1
	65	2 1/2	2x12,1x12	4x12	40°	1	1	1.2
	65	2 1/2	2x12,1x12	4x14	35°	1	1	1.5
	65	2 1/2	3x12	6x12	35°	1	1	1.2
	65	2 1/2	3x12	6x12	35°	3		1.2
	70	2 3/4	3x12	3x14	35°	1	1	1.6
	70	2 3/4	3x12	6x12	35°	1	1	1.4
	70	2 3/4	3x12	6x12	35°	3		1.4
	75	3	5x10	6x12	35°	2	1	1.7
	55	2 1/8	16x10			1	2	0.8
	60	2 3/8	16x10					0.9
	65	2 1/2	16x10					1.0
	70	2 3/4	16x10					1.1
	75	3	16x10					1.3
	80	3 1/8	16x10					1.6
Drill Roll				Length		Dimaeter		Weight
				mm	inch	mm	inch	（KG）
				600	2'	32	1 1/4	3.53
				800	2'7''	32	1 1/4	4.7
				900	2'	32	1 1/4	5.3
				1000	3'3''	32	1 1/4	5.9
				1100	3'6''	32	1 1/4	6.52
				1200	3'9''	32	1 1/4	7.1
				600	2'	32	1 1/4	4.45
				800	2'7''	32	1 1/4	5.6
				900	2'	32	1 1/4	6.17
				1000	3'3''	32	1 1/4	6.8
				1100	3'6''	32	1 1/4	7.4
				1200	3'9''	32	1 1/4	7.9
Coupling			Length		Dimaeter		Thread	Weight
			mm	inch	mm	inch		（KG）
			150	6 1/8	44	1 3/4	R3212	1
			160	6 1/4	44	1 3/4	R3212	1.1
			160	6 1/4	48	1 7/8	R3212	1.5

Minimum Order Quantity	N/A
Price
Packaging Details	Standard Export Delivery Package
Delivery Time	7days
Payment Terms	T/T
Supply Ability	Based on Detailed Order

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. Applications: • Underground mining • Tunneling,quarrying  • Widely used in drifting, tunneling, benching, and long hole drilling Product Basic Information:

Product Name:	Thread coupling sleeve and crossover coupling
Thread	R25,R28,R32,R3212,T38,T45,T51
Diameter	35mm-77mm (or 1 3/8 inch to 3 inch)
Length	150mm-235mm (or 6 inch to 9 1/4 inch)
Material:	High strength alloy steel
Type	full-bridge, semi-bridge etc.
Color	Yellow, gold, black or based on customer requirements.
MOQ:	No MOQ required for testing and trial order

Production Process:  1. Raw material 2. CNC milling and proprietary heat treatment process 3. Inspection 4. Package. Competitive Advantage: High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance.