Expansion Shell Rock Bolt Anchors Tunnel Rock Bolt Mining Anchor Bolt
Application
The expansion shell acting as an accessory on rock bolt, it is screwed on the rock bolt ,
then inserted into drilling hole.the rotate the rock bolt until the shell can not be expanded,
and the rock bolt tightly fixed in the drilling hole.
Expansion shell is comprised with 2 pcs shells, 1 pc spring,1 pc tapered nut,and connect band.
We manufacture it with hot forging,Punching, Turniung,tapping threads production processes.
Product Details
| Product Name | Expansion Shell |
| Type (Size) | 32mm, 35mm, 38mm, 42mm, 48mm |
| Material | Cast Iron |
| Finish | Sand Blasting |
| weight | 0.3-0.6KG etc. |
Production Process
Our Advantages
1. Our factory has been making mining and building accessories for more than 25 years.
2. We are manufacturer. Direct communication with our engineer.
3. We can forging and casting parts as per your drawing and technical requirements.
4. Quality certificate: SGS ISO9001, TS16949, CE.
5. All of our parts are 100% inspection.
6. The price is very reasonable with superior quality.
FAQ
How about the sample?
We can supply free samples but the freight are charged by customer.
How about payment term?
T/T & L/C (100 % T/T in advance or % deposit, the balance before shipment)
How to inspect the goods?
Products will checked by our QC staff first, then our project manager. SGS, ISO9001, CE can be provided.
What is the min order quantity?
100pcs for anchorage
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Expansion Shell Rock Bolt Anchors Tunnel Rock Bolt Mining Anchor Bolt Images
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