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Thread products

Connecting sleeve and connector

The connecting sleeve is also called adapter sleeve. The connecting sleeve is a rock drilling tool that connects the drill tail and the drill rod. The common threads of connecting sleeve are R38, T38, T45 and T51. The connecting sleeve is divided into full-bridge and half-bridge connecting sleeves, which are the same as the diameter-reducing connecting sleeve of the connecting sleeve. It is widely used in open pit mining, underground mining, roadway excavation, anchoring engineering, blast furnace opening, tunnel engineering, hydropower engineering, quarrying and other construction projects.

Connecting sleeve
LHS product model	Thread (The default value is F if no mark is given)		Length mm	Diameter mm	Form
LT38-190	T38	T38	190	φ56	Half-bridge
LT38-190Q	T38	T38	190	φ56	Full bridge
LR35T38-170Q	R35	T38	170	φ56	Full bridge
LT38T45-190Q	T38	T45	190	φ63	Full bridge

Connector
LHS product model	Thread		Length mm	Diameter mm
LHS product model	Female	Male thread	Length mm	Diameter mm
LR32T38M-220	R32F	T38M	210	φ45
LST58ST68M-320	ST58F	ST68M	320	φ88

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