1. This is a drilling hole saw .
2. Dual metal hole with M42 HSS steel material, the edgee of the blade is not easy to fall off.
3. M42 HSS steel, strong and durable.
4. Widely used in Stainless steel plate, metal plate, thick steel plate, plate hole, home wood, galvanized pipe, fire pipe, plastic, gypsum board and other opening operation etc.
5. Applicable to the pistol drill, bench drill, vertical drilling machine etc.
Carpentry decoration essential tool.
Item size: 100mm, 110mm, 120mm, 130mm, 140mm