The diameter of the hole can be adjusted by the distance from the tip of the drill to the center. Alloy steel with heat treatment can be used for thin film plates.

The hole is round, the hole is cut flat, smooth and without edges, and the roundness is good. This hole opener can be installed on normal flash drilling equipment (use the screw before tightening before using).

When replacing the drill, it is necessary to cut off the power supply and then replace it. Drilling cutouts generated during drilling are strictly forbidden to be cleaned by hand and cleaned with special tools.

The sharp, durable carbide tip can be reused after grinding. It can be installed and operated in the electric drill and bench drill.

Applicable materials: wood board, plastic board, plywood, gypsum board, etc. Widely used in DIY speaker opening, focus opening, carpentry opening, plastic plate opening, etc.

What's in the box
1 X Adjustable Metal Wood Circle Hole Saw Set