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Professional-grade Cobalt Metal Drill Bit Set with Hole Saw. Working length 1.5 cm

HSS drill bits for steel, high-speed steel with 5% cobalt, very durable.

Drill bits for steel, aluminum, and plastic materials

Set of 5 hole saws. Diameter: 16 mm, 18.5 mm, 20 mm, 25 mm, 30 mm

Application: steel, aluminum, plastic

SR Metal Hole Saw

High-Quality Drill Bits

These drill bits and hole saws are specially designed for hard materials using high-speed steel (HSS) with a cobalt alloy.

The result is robust hole saws for versatile materials and applications. For sawing holes from 16 to 30 mm in diameter in steel, metal, placo, and plastic! Improved Cutting Performance: The improved tooth geometry with a combined 4/6 tpi (teeth per inch) improves cutting performance by over 20% and increases tool life. Proper Use: Position the center drill bit in the correct location and start slowly and at a low speed. Hold the drill perpendicular to the workpiece. Use cutting oil. The set consists of 5 hole saws with their respective Allen wrenches for tightening.