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High strengh hollow grouting roof bolt
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Product Details
| Place of Origin | Shandong, China | Brand Name | BAFANG | |
| Model Number | ZJS | Type | Anchor Bolt | |
| Material | Other, grp, glass fiber reinforced plastics | Diameter | 16-36MM | |
| Length | 2 3 4 4.5 etc. to be order | Capacity | ≥14KN per thread |
Product Description
Specifications
1.deformed steel bar2.left & right hand
3.dia 16-36mm
4.ended thread
5.use in mine roof support
Product Features:
1.With a bit at the anchor head, it is easy to cut through various rocks.
2.With the continuous international standard wave-shape thread, this anchor can be used to drill holes with help of bit.
3.It is used as grouting channel and unnecessary to be pulled out.
4.Grouting pressure can be kept at a high level under the help of grouting stopper, so the cracks are fully filled
and the fractured rock is improved.
5.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.
6.Its 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 achieved.
Specifications
| Specification | Nominal Outside Diameter | Ultimate Tensile Force (KN) | Thread Direction | Pitch (mm) | Standard Length (mm) |
| Φ25 | 25 | 180 | Left | 12.7 | 2.5,3,3.5,4,4.5,5m |
| Φ28 | 28 | 220 | Left | 12.7 | 2.5,3,3.5,4,4.5,5m |
| Φ32 | 32 | 320 | Left | 12.7 | 2.5,3,3.5,4,4.5,5m |
| Φ38 | 38 | 380 | Left | 12.7 | 2.5,3,3.5,4,4.5,5m |
We supply the whole set of the self drilling anchor bolts.
You can contact us directly if you would like to order the anchor with perticular anti extension power and length.
High strengh hollow grouting anchor bolts 
Contact Us
- Jining Bafang Mining Machinery Co., Ltd.
- Contact nameAndy Zuo Chat Now
- Phone86-537-2289978
- AddressNo.30, Jinyu Road , Jining, Shandong
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