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self drilling anchor coupler

Product name：T108 self drilling anchor coupler
Thread：T108
Outer Dia.:130mm
length:220mm
Weight:7.4kg
Steel grade:42CrMo

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Rock Bolt

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Product Details

Description

Theself drilling anchor coupler’s main aim is to provide the connection between seating of each hollow tube face-to-face connection. This is the main component for the energy transmission from end to end connection of anchor and provides maximum percussive energy to drill bit with lesser losses.

Application

Slope stabilization
Self-Drilling Anchors are very suitable for weathered or un-consolidated rock stabilization. This technique is a more superior form of stabilization because the SDA technique is a relatively easy and fast method of installation compared to the outdated methods.
Foundations with micro piles
SDAs can be used like monopoles and micropile types because these are drilled piles composed of steel reinforcement with injected grout. These anchors are used like micropile type to stabilize the ground and related foundation problems. These anchors are suitable for tension and compression loads at varying ground conditions.
Tunneling
Self-drilling anchors are most suitable for the stabilization of tunnel strengthening works. Mostly for the soft rock and overburden soil conditions, the SDA’s are apt for rooftop protection.

Specification

NO.	Adaptable Bolt	Outer Dia. mm	Length mm	Hardness HRC	Weight kg	Steel Type	Thread Type L/R Hand
1	T30	38	105	25-30	0.45	EN10083-1=4140=42CrMo	L/R
2	T40	54	140	25-30	1.20
3	T52	70	160	25-30	2.30
4	T73	95	235	25-30	4.30
5	T76N	95	200	25-30	4.30
6	T76S	97	220	25-30	5.40
7	T103	123	255	25-30	7.45
8	T108	130	220	25-30	7.4

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QUALITY INSPECTION PROCESS

Product quality is one of the core links in the development and growth of Yanggu Henglong Engineering Co., Ltd. Our company has strict internal and external inspection processes to ensure the quality of our products. Our inspection process for our products is as follows.

Rock Bolt