reatment, making it has high hardness and long service life.
2. U‑shaped 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.
Spec:
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
SpecificationHole SizeShank DiameterGrooves DepthTotal Length
1/46.4mm /0.3in4.1mm / 0.2in45mm/ 1.8in170mm / 6.7in
5/168mm / 0.3in5.5mm / 0.2in60mm / 2.4in200mm / 7.9in
3/89.5mm / 0.4in6.5mm / 0.3in60mm / 2.4in210mm / 8.3in
1/212.7mm / 0.5in8.5mm / 0.3in60mm / 2.4in210mm / 8.3in
Package List:
4 x Square Hole Drill Bits
Note:
Cannot be used on metal, concrete, glass and gypsum board.