185mm 7-17/64" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic Display Bases The cutting part is adjustable

The cutting part is adjustable

Wire Length: 50 M/164ft

and automotive repair and electrical industries due to their strength

Features: Round Shaft

Fit for Glass: 12mm / 1/2" (approx)

185mm 7-17/64" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic Display Bases The cutting part is adjustableThe bi metal hole saw combines high speed steel and cobalt. The hole saw body is made of superior grade M42 high speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion. Sharp toothed edges allow for smooth, fast and easy cuts. Bi metal hole saws have larger numbers of