Feature

●The force is in a plane, which is effectively protected and can avoid the situation of bursting at the beginning.
●U ?haped chip grooves, facilitate the discharge of wood chips and improve drilling efficiency.
●With overall heat treatment, making it has high hardness and long service life.
●Universal shank type, the drill tail adopts a roun designed, which makes the clamping more stable.
●Wide application, suitable for square hole drills and square tenon machines.


Description

Feature:
1. With overall heat treatment, making it has high hardness and long service life.
2. U ?haped 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 /
0.3in4mm /
0.2in45mm/
1.8in180mm /
7.1in 5/168mm /
0.3in5.5mm /
0.2in60mm /
2.4in180mm /
7.1in 3/89.5mm /
0.4in9.5mm /
0.4in60mm /
2.4in210mm /
8.3in 1/212.7mm /
0.5in10mm /
0.4in60mm /
2.4in210mm /
8.3in
Package List:
4 x Square Hole Drill BitsNotice:
Cannot be used on metal, concrete, glass and gypsum board.