Min. Order Reference FOB Price
1 Piece US$8.00-58.00 / Piece
Product Description
32mm 36mm 40mm High quality Alloy Drilling Bits Hard Rock Cross Drill Bit For Tunnel Drilling Line/Cross/Spherical crown button/Horseshoe shape optional 24mm,26MM,28MM,30MM,32MM,34MM,36MM,38MM,40MM,42mm available Bit diameter Buttons Taper Water hole mm inch Width×height 32 ...