|Place of Origin:||Mainland China|
|Minimum Order Quantity:||100 pcs|
|Delivery Time:||30 days|
|Payment Terms:||T/T, L/C|
|Supply Ability:||80,000 pcs monthly|
|Material:||Cast Iron||Size:||32mm, 35mm, 38mm, 42mm, 48mm|
Expansion Shell Rock Bolt Rock Support Bolt Mechanical Rock Support Bolt
Expansion shell bolts are a common style of area ground support. A point anchor bolt is a metal bar between 20 mm – 25 mm in diameter, and between 1 m – 4 m long There is an expansion shell at the end of the bolt which is inserted into the hole. As the bolt is tightened by the installation drill the expansion shell expands and the bolt tightens holding the rock together. Mechanical bolts are considered temporary support
|Product Name||Rock Bolt with Expansion Shell|
|Type (Size)||32mm, 35mm, 38mm, 42mm, 48mm|
Expansion shell, rock bolt, bearing plate, washer, mechanical bolt, coupling bolt.
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.