About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Smooth-Finish Drill Bits for Wood

Alloy Tool Steel
Bore clean, flat bottom holes in soft wood, veneer, and laminates. The center guide point prevents the bit from wandering. Also known as Forstner bits.
For technical drawings and 3-D models, click on a part number.
High-Speed Steel Multidiameter Drill Bits

Titanium Nitride (TiN)

Uncoated
Steps with progressively larger diameters let you drill a range of sizes with one bit. Also known as step drills.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated drill bits and black-oxide drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equivalent | No. of Sizes | Overall Lg. | For Max. Material Thick. | Type | Size | Point Style | For Use On | Each | |
Metric | ||||||||||
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||||||
5.0 mm, 7.5 mm, 10.0 mm, 13.0 mm, 16.0 mm, 19.0 mm, 21.0 mm, 23.0 mm, 26.0 mm, 29.0 mm, 31.0 mm, 33.0 mm, 35.0 mm | 0.1968", 0.2953", 0.3937", 0.5118", 0.6299", 0.748", 0.8268", 0.9055", 1.0236", 1.1417", 1.2205", 1.2992", 1.378" | 13 | 79mm | 4mm | Hex | 11.1mm | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 0000000 |
Uncoated High-Speed Steel | ||||||||||
5.0 mm, 7.5 mm, 10.0 mm, 13.0 mm, 16.0 mm, 19.0 mm, 21.0 mm, 23.0 mm, 26.0 mm, 29.0 mm, 31.0 mm, 33.0 mm, 35.0 mm | 0.1968", 0.2953", 0.3937", 0.5118", 0.6299", 0.748", 0.8268", 0.9055", 1.0236", 1.1417", 1.2205", 1.2992", 1.378" | 13 | 79mm | 4mm | Hex | 11.1mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |