Marque Hinge boring bits with chipbreaker

Description

D：15—–L：57.5—–Rotation：DROITE—–S：10×26
Ideal for hinges. Use on boring machines equipped with adaptors or chucks. Use for drilling accurate and clean-cut blind holes in solid wood, wood composites, plastic and laminated materials.
TECHNICAL DETAILS :
– Super-strength steel.
– Cutter portion coated with orange or black P.T.F.E.
– HW head with precision balanced centre point.
– 2 HW precision ground cutting edges (Z2).
– 2 negatively ground spurs (V2).
– Parallel shank with driving flat and length adjusting screw.