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- Contact Person : Ms. Xing kelly
- Company Name : Luoyang Gongyan Technology Co., Ltd.
- Tel : 86-379-63501959
- Fax : 86-379-63501159
- Address : Henan,Luoyang,Room 1102,Aolin Building, Taikang Road, Wangcheng Avenue
- Country/Region : China
- Zip : 471023
Related Product Searches:left hand self-drilling anchor bolt,High Quality,left hand achor bolts, left hand thread bolts,GYZ
Left hand Self drilling anchor bolt consists of anchor rod, steel drill bit with alloy head, anchor coupling (optional), arch plate, grouting stopper and hex nut.
It has been widely used in tunneling, mining, slope stabilization, tunnel diseases treatment and roof supporting of underground works. It integrates functions drilling, grouting and anchoring at one time and is suitable for difficult grounds (clay, sand, friable…etc). Hollow anchor rod is made of seamless tube with high strength.
Product Features:
1.With a bit at the anchor head, it is easy to cut through various rocks.
2.With the high-strength coupling elongated by mechanical cutting technology, this self-drilling anchor can be used at the place with narrow space, achieving the aim of rock reinforcement with extra-long anchor.
3.It’s unnecessary to take the measure of sleeve protecting and pregrouting to drill the holes in condition of various surrounding rocks since this anchor embodies drilling, grouting and anchoring as a whole, and significant anchoring and grouting are achieve
Product Specification:
GYZ25 | GYZ28 | GYZ32 | GYZ38 | GYZ51 | GYZ63 | GYZ76 | GYZ89 | GYZ103 | |
Exterior | 25 | 32 | 32 | 38 | 51 | 63 | 76 | 89 | 103 |
Interior | 13 | 23 | 20 | 19 | 28 | 43 | 56 | 68 | 83 |
Breaking load | 200 | 240 | 280 | 530 | 838 | 1100 | 1380 | 1600 | 1980 |
Tensile yield point | 150 | 190 | 230 | 440 | 693 | 909 | 1140 | 1280 | 1636 |
Drill diameter | 42 | 51 | 51 | 76 | 90 | 90 | 102 | 115 | 140 |
Delivery length | 1.0/1.5/2.0/2.5/3.0/3.5/4.0/4.5/5.0/6.0 |
1) also available hot dip galvanized anchor bolts
2) left hand only unless otherwise noted
3) right hand bolts
4) kinds of drill bits are optional for different ground conditions.
left hand self-drilling anchor bolt