QB back anchor bolt for stone material
Product Details
Back anchor bolt dilatant is a sequential structure decompressing ring.When decompressing ring is expanding,the lowerdiameter expands but the upper diameter is minishing.At the monment ,the shape of decompressing ring is changed from cyclindrical surface to circular conical surface ,while their surface aera remains the same.Then the meshing aera increases,meshing pressure decreases,which could effectly protect the stone from high pressure.
Back anchor bolt series,our featured products,including back anchor bolt for stone materials and back anchor bolt for cellular boards,all of which have strong anti-stress ability and high shcok resistance.
Grade of screw strength:SS A2-70 and A4-70
- Place of Origin:Fujian, China (Mainland)
- Length:18,20,23,25,27,30,32,35,37,40,42,45,47
- Diameter:11,13
- Model Number: NK-M6X6-QB;M6X7M6X10; M6X12;M6X15...
- Material:Steel
- Type:Anchor Bolt
- Brand Name:qunji
- Country:Taiwan
- telephone:86-592-7230215
| Place of Origin: | Fujian, China (Mainland) |
| Length: | 18,20,23,25,27,30,32,35,37,40,42,45,47 |
| Diameter: | 11,13 |
| Model Number: | NK-M6X6-QB;M6X7M6X10; M6X12;M6X15; M6X20; M6X25; M6X30;M8X10; M8X12... |
| Material: | Steel |
| Type: | Anchor Bolt |
| Brand Name: | qunji |
