TECWERK Keyhole saw saw diameter 20 mm cutting depth 20 mm carbide tipped with drill bit

Multi-purpose type. Carbide tipped cutting edges allow repeated resharpening. Exchangeable centre drill bit. Eject spring for drill core. For unalloyed steels and stainless steel. For sawing flat material. Pipe material. Curved surfaces. Overlapping drill holes are possible. Drill body 30 mm. Cutting depth 20 mm, for hand-held drilling machines up to 6 mm. Adapter shank Ø 13 mm