Purchase Qty. Reference FOB Price
5-499 kg US$50.80
500-999 kg US$47.90
1,000+ kg US$44.90
Product Description
YG15 14*17*6.5mm tungsten carbide tortoise back mine drill bits tungsten carbide button has superior wear resistance and impact toughness, and similar products with higher speed of drilling and digging.Series of ball tooth bit passivation using cycle is long, not to grind the life span ...