top-grade HSS M42 bi-metal hole saw

1.15years professional manufacture
2.HSS M42,
3.ISO9001
4.size:14~300mm;cut-depth:30~120mm
5.hot sale in USA,EUR,JAPAN

1.Embody super-excellent performance on drilling in wood,synthetic plastic plate and iron plate;
2.The knife edge and main-body adopt bimetallic article made of high speed steel and spring steel;
3.Adopt imbalanced scale-saw and lateral teeth design,with characteristics of rapid trepan boring,fast slug clearance as well as high drilling efficiency.

Effective length: 24mm (specification1455mm)
34mm (specification56~220mm)
Matching drill: Electric drill/percussion drill(rotating mode)

Mode			Mode
	millimeter (mm)			millimeter (mm)
		2-1/2"