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Luoyang Gongyan Technology Co., Ltd
Luoyang Gongyan Technology Co., Ltd  

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Self Drilling Anchor Bolt 

Payment Terms: T/T,L/C 
Place of Origin: Henan, China (Mainland) 
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Product Detail

Model No.: GY25/28/32
Structure: Hollow Chain
Function: Others
Brand Name: GY
Means of Transport: Ocean
Standard or Nonstandard: Standard
Material: Alloy
high strength: high extension

It integrates functions drilling, grouting and anchoring at one time and is suitable for difficult grounds (clay, sand, friable^etc).

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.
Specification
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.
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 Ms. Karen Wang

Tel: 86-379-63501959
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Company Info

Luoyang Gongyan Technology Co., Ltd [China (Mainland)]


Business Type:Manufacturer, Distributor/Wholesaler
City: Luoyang
Province/State: Henan
Country/Region: China (Mainland)

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