Specification:
Body Material: solid hardened steel
Blade Material: carbide alloy
Color: Yellow
Shank diameter: 6.35mm (1/4")
Head Length: Approx. 3/8"(9.52mm) & 1/2"(12.7mm)
Total length: 45.5mm (1.79")

Feature:
100% brand new and high quality.
Used for wood perforation,spherical door tip installation,drawer tip,plastic products,wood,plywood,etc.. Trepanning more smooth,less noise.
Sharp edge,high hardness,accurate positioning,high precision,smooth cutting,impact resistance,high toughness.
Enable woodworkers to drill holes without passing through the material when a clean and precise bottom to a hole.
Selection of high quality alloy blade,make blade more sharp and durable,it's head adopt arc curve design,beneficial to chip removal, perforation is more efficient.
Suitable for hand held electric drill,stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine.

Please refer below Size to choose:
No.1
Shank diameter: 1/4inch(6.35mm ); Blade Width: 3/8inch(9.52mm);

No.2
Shank diameter: 1/4inch(6.35mm ); Blade Width: 1/2inch(12.7);

No.3
Shank diameter: 1/2inch(12.7mm ); Blade Width: 3/8inch(9.52mm);

No.4
Shank diameter: 1/2inch(12.7mm ); Blade Width: 1/2inch(12.7);

Note:
-At the trepanning,please wear good protective measures,in case of wood chips splash damage eyes.Size for manual measurement, there may be a 0 to 5 mm error, belongs to the normal phenomenon.
-The cutter is sharp enough,please get away from children.
-Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!!

Package Included:
1 x T-Slot Cutter Router Bit for 1/2-Inch Hex Bolt Heads 1/4-Inch Shank