Purchase Qty. Reference FOB Price
1-19 pieces US$201.00
20-49 pieces US$198.00
50+ pieces US$195.00
Product Description
Product Description Four-wing concave coreless drill bits for mining. Common models: 75, 94, 113, 133, 153mm (171, 200, 220, 245, 275, 300, 325). Commonly used drill pipe: 42, 50, 63.5, 73, 76, 89mm. Mainly used for: grouting holes, wattle discharge holes, slopes, supports, anchor cables, wells. ...