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

ST68
Drill Bit	Bit Dia.		NO x Button x Dia.			Flushing Hole		Weight
	mm	inch	Front	Gauge	Angle	Front	Side	（KG）
	spherical Buttons
	102	4	6x14	8x14	35°	2		8.7
	102	4	4x12,4x12	10x12	35°	4		8.7
	105	4 1/8	6x14	8x14	35°	2		8.9
	105	4 1/8	4x12,4x12	8x14	35°	4		8.9
	105	4 3/8	6x14	8x16	35°	2		9.4
	110	4 3/8	4x14,2x14	8x16	35°	4		8.9
	110	4 1/2	6x14	8x16	35°	2		9.6
	115	4 1/2	4x14,2x14	8x16	35°	4		9.5
	115	4 1/2	4x14,4x14	10x14	35°	4		9.5
	115	5	8x14	9x16	35°	3		11.0
	127	5	4x14,3x14	8x16	35°	4		10.8
	127	6	8x16	9x16	35°	3		16.2
	152	6	9x16	9x16	35°	3		16.2
	152	6	9x14,3x14	9x16	35°	3		16.2
	Parabolic Buttons
	102	4	6x14	8x14	35°	2		8.7
	102	4	4x12,4x12	10x12	35°	4		8.7
	105	4 1/8	6x14	8x14	35°	2		8.9
	105	4 1/8	4x12,4x12	8x14	35°	4		8.9
	105	4 3/8	6x14	8x16	35°	2		9.4
	110	4 3/8	4x14,2x14	8x16	35°	4		8.9
	110	4 1/2	6x14	8x16	35°	2		9.6
	115	4 1/2	4x14,2x14	8x16	35°	4		9.5
	115	4 1/2	4x14,4x14	10x14	35°	4		9.5
	115	5	8x14	9x16	35°	3		11.0
	127	5	4x14,3x14	8x16	35°	4		10.8
	127	6	8x16	9x16	35°	3		16.2
	152	6	9x16	9x16	35°	3		16.2
	152	6	9x14,3x14	9x16	35°	3		16.2
Drill Roll				Length		Dimaeter		Weight
				mm	inch	mm	inch	（KG）
				1525	5'	87	3 4/9	35.5
				1830	6'	87	3 4/9	43.8
				3660	12'	87	3 4/9	80
				6110	20'	87	3 4/9	133

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

Detailed Product Description

Name:	Thread Coupling Sleeve	Thread:	R25,R28,R32,R38,T38,T45,T51,T60,ST58,ST68
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 Bar	Type:	Full-bridge, Semi-bridge Etc.
High Light:	threaded coupling ,  rock drilling tool

Couplings sleeve are used to well connect the shank adapter to the drill rod or well contact two extension rods for transmitting energy. It has standard type coupling and crossover coupling.   Basic Information

Product Name:	Thread coupling sleeve
Thread	R25,R28,R32,R38,T38,T45,T51,T60,ST58,ST68
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 bar
Type	full-bridge, semi-bridge etc.
Color	Green, Gold, Black or based on customer requirements.
MOQ:	No MOQ required for testing and trial order