Min. Order Reference FOB Price
1 Piece US$6.00 / Piece
Product Description
32mm 7 buttons Taper Button Bit for Different Rock Hardness Description Our tapered button drill bit size from 32mm-42mm, tapered 7, 11 and 12 degree, with 4, 5, 6 and 7 buttons. Our thread button drill bit size from 33mm-178mm, include thread type H25, R25, R28, R32, R38, T38, ...