Purchase Qty. Reference FOB Price
10-499 Pieces US$10.50
500-999 Pieces US$8.50
1,000+ Pieces US$8.00
Product Description
zhuzhou wear resistance foundation drilling drill conical betek bits picks The drilling methods are basically auger drilling method, flushing method, impact Percussion drill, Rotary drill, Core drill,Non-core drill, Rotary-Percussion drill, Hand Auger,Flight Auger,Wash Boring and ...