Bimetal hole saw set, M3, 4/6 TPI, 8 pcs, Proline

Set of bimetal hole saws with teeth made of HSS M3 high-speed steel, body made of spring steel alloy
Designed for metal processing, especially aluminum and steel, non-ferrous metals, plastics, and wood.
Adapted for mounting an adapter for hex or SDS-plus shank.
Requires use of adapter and pilot drill.
Drilling in steel should be done wet.
Alternating tooth count 4/6 TPI allows drilling in materials of varying hardness.
Side surfaces of the hole saws have holes for easier removal of the core after drilling.
Set includes hole saws with diameters: 22mm, 25mm, 30mm, 35mm, 40mm, 51mm, 60mm, 68mm plus 2 adapters, pilot drill, hex key, adapter sleeve.
Drilling depth: 38 mm
Packaged in a plastic box.