Specification:self centering drill bit set
Material: high-speed steel
all shank size: 1/4"
5/64", 7/64",9/64" 11/64", 5mm, 13/64", 1/4"
Type & Dimension:
5/64'': Hole diameter is about 2mm, use about 2.2-2.8mm tapping screw.
7/64'': Hole diameter is about 2.8mm, use about 3-3.5mm tapping screw.
9/64'': Hole diameter is about 3.5mm, use about 4-4.5mm tapping screw.
11/64'': Hole diameter is about 4.5mm, use about 5-5.5mm tapping screw.
5mm: Hole diameter is about 5mm, use about 5.5-6mm tapping screw
13/64": Hole diameter is about 5.2mm, use about 6-6.5mm tapping screw.
1/4": Hole diameter is about 6.35mm, use about 7-7.5mm tapping screw.
Please adjust according to the hardness of the wood, if the wood is soft, choose a smaller size; if the wood is hard, you can choose a larger size or corresponding opening tool.
Specification:drill and countersink set
Material:High Speed Steels
Quantity: 1Set(6 Drills)
1 x 6mm Drill
1 x 8mm Drill
1 x 9mm Drill
1 x 12mm Drill
1 x 16mm Drill
1 x 19mm Drill
Note:This product is suitable for the wood and plastic plates and other hardness of the plate chamfer openwork, do not use this product on the metal chamfering and other processing!
? With standard high speed steel and super hard titanium coated bits, these countersinks perform great in even the toughest materials
? Ideal for Wooden planks,Fiberboard,Particle board,Plywood,Plastic,Aluminum Board ,etc.
? Usage: Get accurately centered holes for hinges, handles, drawer slides, etc.Applicable for the installation of the door hinge.7 popular sizes used for carpenters, cabinet, furniture makers and other woodworking trades.
? Design: Sawdust will be automatically discharged from the top of the holes on both sides, without drill blocked. Never miss the center of the hole again, references from the hinge bevels!
? Package:6pcs Wood Countersink Drill Bit+ 7pcs Self-centering Hinge Bits