1. With overall heat treatment, 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.
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
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
PackageList:
4 x Square Hole Drill Bits
Notice:
Cannot be used on metal, concrete, glass and gypsum board.