Features
1. With overall heat treatment, making it has high hardness and long service life.
2. Ushaped chip grooves, facilitate the discharge of wood chips and improve drilling efficiency.
3. The force is in a plane, which is effectively protected and can avoid the situation of bursting at the beginning.
4. Universal shank type, the drill tail adopts a roun designed, which makes the clamping more stable.
5. Wide application, suitable for square hole drills and square tenon machines.
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, 1/2
Specification Hole
Size Shank
Diameter Grooves
Depth Total
Length
1/4 6.4mm /
0. 3in 4.1mm / 0.2in
45mm/
1. 8in 170mm / 6.7in
5/16 8mm /
0. 3in 5.5mm / 0.2in
60mm /
2. 4in 200mm / 7.9in
3/8 9.5mm /
0. 4in 6.5mm / 0.3in
60mm /
2. 4in 210mm / 8.3in
1/2 12.7mm /
0. 5in 8.5mm / 0.3in
60mm /
2. 4in 210mm / 8.3in
Package List
4 x Square Hole Drill Bits
