Purchase Qty. Reference FOB Price
1-19 Pieces US$314.00
20-49 Pieces US$312.00
50+ Pieces US$310.00
Product Description
Product Description Three-wing conventional scraper coreless drill bit. Mainly used for: grouting holes, wattle discharge holes, slopes, supports, anchor cables, wells. Adaptable strata: red sandstone, mudstone, coal seam, backfill, and other slightly soft strata. Common models: 75, 94, 113, ...