Feature

●【High Hardness】The overall heat treatment is adopted to make it high hardness and long service life.
●【High Efficiency】U-shaped chip groove, convenient for wood chip discharge, improve drilling efficiency.
●【Effective Protection】The force is on the plane, which is effectively protected and can avoid the initial burst.
●【Universal Shank Type】Universal shank type, the drill tail adopts wheel design, and the clamping is more stable.
●【Wide Application】Wide application, suitable for square hole drill bit and square mortion machine.


Description

Specification:Condition: 100% Brand New
Item Type: Square Hole Drill Bits
Material: Bearing Steel
Color: As picture shown
Uses: Suitable for wood products such as density board, medium fiber board, particle board, wood, etc., suitable for square hole drills and square tenon machines
Specification: 1/4, 5/16, 3/8, 1/2SpecificationHole 
SizeShank 
DiameterGrooves 
DepthTotal 
Length 1/46.4mm /
0.3in4.1mm / 0.2in
45mm/ 
1.8in170mm / 6.7in
 5/168mm / 
0.3in5.5mm / 0.2in
60mm / 
2.4in200mm / 7.9in
 3/89.5mm / 
0.4in6.5mm / 0.3in
60mm / 
2.4in210mm / 8.3in
 1/212.7mm / 
0.5in8.5mm / 0.3in
60mm / 
2.4in210mm / 8.3in

Package List:4 x Square Hole Drill Bits
Note:Cannot be used on metal, concrete, glass and gypsum board.