Shank diameter: 1/4 inch(6.35mm),Hex Shank Material: High Carbon Steel Flute: 7 Flutes size: 10MM, 13MM Features: The 7 flutes chamfered face Is more neater and smoother than five, three, single cutting edge chamferer. Recommend to customers who have higher requirement of roughness and flatness of chamfered surface. Industrial countersink tool bit set counter sink. Countersink bit set counter sink for wood plastic. Woodworking hole drill bit hardware tool. 7 flutes carbon steel wood reaming chamfering cutter. Woodworking wooden board hole drill. Industrial countersink drill bit tool set woodworking professional tool. Package Included: 1x 10mm Chamfering Cutter. 1x 13mm Chamfering Cutter
