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Bi-metal Hole Saws

HSS hole saws are used to saw through holes into various materials. The basic body is made of tool steel and has a HSS annular gear welded onto it. The crosswise put arrangement of the HSS saw teeth masters eff ortless the usage in steel and sheet irons, non-ferrous and light metals, wood, plasterboard, plastic, acrylic glass and many more.


The hole saws equipped with a HSS cobalt annular gear can also be used with stainless steels such as V2A and V4A sheets. The total height of the hole saws varies between 55mm and 43.5mm, depending on the size. GSR hole saws have a so called Vario-toothing.


TeethSawtooth distance 4/6 ZpZ
MaterialC45 body, HSS M3 teeth with hardness HRC63-66°

C45 body, HSSE M42 teeth with hardness HRC63-68°
Cutting Deepth38mm
MarkingHSS/BI-METAL/XXmm/XX"(X=size, metric and inch), in 4 lines

BI-METAL/HSS-8% CO/XX"/XXmm(X=size, metric and inch), in 4 lines


Bi-metal Hole Saws


Bi-metal Hole Saws

Bi-metal Hole Saws

Bi-metal Hole Saws


Hole Saw.pdf