5 Set Square Drill Bit Mortising Chisel Woodworking Tool 8mm-16mm

Description:

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

Specification:

Material: high-speed steel
Hardness: 56HRC
Clamping shank diameter: 19mm (Round)
Drilling core length: Approx. 200mm/ 7.87 inch
Center Drill Bit Diameter: 8mm, 9.5mm, 10mm, 12mm, 16mm in 1 set

Package Includes:

1 Piece 8mm Square Set
1 Piece 9.5mm Square Set
1 Piece 10mm Square Set
1 Piece 12mm Square Set
1 Piece 16mm Square Set