Purchase Qty. Reference FOB Price
50-499 Pieces US$3.80
500-1,999 Pieces US$3.70
2,000+ Pieces US$3.50
Product Description
Product Description Comparing with chisel bits and cross bits, taper button bits have higher technology, much longer primary drilling time and higher drilling efficiency. According to the tungsten carbide insert, button bits can be divided into types of hemispherical, conical and parabolic button, ...