2 Set Square Drill Bit Mortising Chisel Woodworking Tool 10mm 12mm

Description:

Professional woodworking drill bit, square cutter
High speed steel material, high hardness, lengthened core
Matched use with mortise and tenon machine
The square hole punching needs to use electric drill, hammer and other tools
For construction, installation, renovation, decoration, etc.

Specification:

Material: High Speed Steel
Hardness: 56HRC
Clamping shank diameter (cylinder): Approx. 19mm/ 0.75 inch
Drilled core length: Approx. 200mm/ 7.87 inch
Center drill bit diameter (the square hole side length):
10mm/ 0.39 inch, 12mm/ 0.47 inch, 2 sizes in a set

Package Includes:

1 Piece 10mm Square with Drilled Core
1 Piece 12mm Square with Drilled Core