Min. Order: | 1 Piece/Pieces |
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Trade Term: | FOB |
Payment Terms: | L/C, T/T |
Supply Ability: | 2000 piece/month |
Place of Origin: | Shandong |
Location: | Jining, Shandong, China (Mainland) |
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Business Type: | Manufacturer, Trading Company |
Main Products: | Rock Drill |
Means of Transport: | Ocean, Air, Land |
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Application: | Coal |
Type: | Drilling Rig |
Production Capacity: | 2000 piece/month |
Packing: | wooden box |
Delivery Date: | within 5 days after payment |
Application: soft coal bed, and other formation similar to coal bed.
2.The tapered drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other constructions.
Generally, the lightduty rock drill uses 7 taper or smaller taper angle, the heavyduty rock drill mainly uses 12 taper angle.
3. twist drill pipe/spiral drill pipes specifications
Specifications( mm) | Craft | Connection type with drilling machine | ||
Dia. | Length | Thread type | ||
50-42 | 500~1500 | Taper thread | Friction welding | clamp |
63.5-42 | 500~1500 | Taper thread | Friction welding | clamp |
63.5-50 | 500~1500 | Taper thread | Friction welding | clamp |
73-50 | 500~1500 | Taper thread | Friction welding | clamp |
73-63.5 | 500~1500 | Taper thread | Friction welding | clamp |