we have got ISO9001 certificate and our core drill bits have been sold to 30 countries all over the world.
Port: ningbo,qingdao,qinhuangdao,tianjin,shanghaim,dalian,etc.
Minimum Order Quantity: 6 Piece/Pieces
Supply Ability: 20000 Piece/Pieces per Month
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: wooden case, carton
Delivery Detail: 1--35days
specification:
outer dia(mm) | inner dia(mm) | height(mm) | wing quantity | quantity | threaded | rock info |
75 | 53 | 150 | 5\6 | 5\6 | square | F<=7mediumhard(soft rock,coal seam drilling and grouting) |
94 | 69 | 170 | 6\8 | 6\8 | ||
113 | 88 | 195 | 8\10 | 8\10 | ||
133 | 108 | 220 | 10\12 | 10\12 | ||
153 | 128 | 245 | 12 | 12 |
We also can supply the made-to-order products according to your detailed reqirements.