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About Drill Bits
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Compare material, finish, length class, and decimal size equivalents.
Carbide-Insert Drill Bits
 |
Shown with Carbide Inserts (Sold Separately) |
When you need to drill dozens or even hundreds of holes, use a bit with replaceable carbide inserts. Once the cutting edges wear down, just change the inserts instead of sharpening or throwing the bit away. The holes in the bit channel coolant through the tool for more efficient chip evacuation. Also known as indexable drill bits.
Each drill bit requires two inserts—one on the inner cutting edge and one on the outer cutting edge. Replacement inserts are sold separately.
Drill Bits | Drill Bit Inserts | Replacement Insert Screws | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Shank | For Insert | ||||||||||||||||
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Inner Inscribed Circle Dia. | Outer Inscribed Circle Dia. | Each | Pkg. Qty. | Pkg. | Each | |||||
| 1/2" | 0.5" | 4" | 1 1/2" | Round | 3/4" | Carbide Insert | 0.189" | 0.189" | 2769N11 | 0000000 | 10 | 2776N103 | 0000000 | 2780N11 | 00000 | ||
| 1/2" | 0.5" | 5" | 2 1/2" | Round | 3/4" | Carbide Insert | 0.189" | 0.189" | 2769N12 | 000000 | 10 | 2776N103 | 000000 | 2780N11 | 0000 | ||
| 9/16" | 0.562" | 4 1/4" | 1.69" | Round | 3/4" | Carbide Insert | 0.193" | 0.201" | 2769N13 | 000000 | 10 | 2776N149 | 000000 | 2780N11 | 0000 | ||
| 9/16" | 0.562" | 5 3/8" | 2.81" | Round | 3/4" | Carbide Insert | 0.193" | 0.201" | 2769N14 | 000000 | 10 | 2776N149 | 000000 | 2780N11 | 0000 | ||
| 5/8" | 0.625" | 4 1/2" | 1.88" | Round | 3/4" | Carbide Insert | 0.193" | 0.201" | 2769N15 | 000000 | 10 | 2776N149 | 000000 | 2780N11 | 0000 | ||
| 5/8" | 0.625" | 5 3/4" | 3.16" | Round | 3/4" | Carbide Insert | 0.193" | 0.201" | 2769N16 | 000000 | 10 | 2776N149 | 000000 | 2780N11 | 0000 | ||
| 11/16" | 0.687" | 5" | 2.06" | Round | 1" | Carbide Insert | 0.224" | 0.236" | 2769N17 | 000000 | 1 | 2776N16 | 00000 | 2780N12 | 0000 | ||
| 11/16" | 0.687" | 6 3/8" | 3.44" | Round | 1" | Carbide Insert | 0.224" | 0.236" | 2769N18 | 000000 | 1 | 2776N16 | 00000 | 2780N12 | 0000 | ||
| 3/4" | 0.75" | 5 1/4" | 2 1/4" | Round | 1" | Carbide Insert | 0.224" | 0.236" | 2769N19 | 000000 | 1 | 2776N16 | 00000 | 2780N12 | 0000 | ||
| 3/4" | 0.75" | 6 3/4" | 3 3/4" | Round | 1" | Carbide Insert | 0.224" | 0.236" | 2769N21 | 000000 | 1 | 2776N16 | 00000 | 2780N12 | 0000 | ||
| 7/8" | 0.875" | 5 5/8" | 2.63" | Round | 1" | Carbide Insert | 0.268" | 0.295" | 2769N22 | 000000 | 10 | 2776N341 | 000000 | 2780N13 | 0000 | ||
| 7/8" | 0.875" | 7 3/8" | 4.38" | Round | 1" | Carbide Insert | 0.268" | 0.295" | 2769N23 | 000000 | 10 | 2776N341 | 000000 | 2780N13 | 0000 | ||
| 1" | 1" | 6 1/8" | 3" | Round | 1" | Carbide Insert | 0.331" | 0.350" | 2769N24 | 000000 | 1 | 2776N21 | 00000 | 2780N14 | 0000 | ||
| 1" | 1" | 8 1/8" | 5" | Round | 1" | Carbide Insert | 0.331" | 0.350" | 2769N25 | 000000 | 1 | 2776N21 | 00000 | 2780N14 | 0000 | ||
| 1 1/8" | 1.125" | 6 3/4" | 3.38" | Round | 1 1/4" | Carbide Insert | 0.331" | 0.350" | 2769N26 | 000000 | 1 | 2776N21 | 00000 | 2780N14 | 0000 | ||
| 1 1/8" | 1.125" | 9" | 5.63" | Round | 1 1/4" | Carbide Insert | 0.331" | 0.350" | 2769N27 | 00000000 | 1 | 2776N21 | 00000 | 2780N14 | 0000 | ||
| 1 1/4" | 1.25" | 7 5/8" | 3 3/4" | Round | 1 1/2" | Carbide Insert | 0.402" | 0.419" | 2769N28 | 000000 | 10 | 2776N544 | 000000 | 2780N15 | 0000 | ||
| 1 1/4" | 1.25" | 10 1/8" | 6 1/4" | Round | 1 1/2" | Carbide Insert | 0.402" | 0.419" | 2769N29 | 00000000 | 10 | 2776N544 | 000000 | 2780N15 | 0000 | ||
| 1 3/8" | 1.375" | 8" | 4.13" | Round | 1 1/2" | Carbide Insert | 0.402" | 0.419" | 2769N31 | 000000 | 10 | 2776N544 | 000000 | 2780N15 | 0000 | ||
| 1 3/8" | 1.375" | 10 3/4" | 6.88" | Round | 1 1/2" | Carbide Insert | 0.402" | 0.419" | 2769N32 | 00000000 | 10 | 2776N544 | 000000 | 2780N15 | 0000 | ||
| 1 1/2" | 1.5" | 8 1/2" | 4 1/2" | Round | 1 1/2" | Carbide Insert | 0.486" | 0.498" | 2769N33 | 000000 | 1 | 2776N25 | 00000 | 2780N15 | 0000 | ||
| 1 1/2" | 1.5" | 11 1/2" | 7 1/2" | Round | 1 1/2" | Carbide Insert | 0.486" | 0.498" | 2769N34 | 00000000 | 1 | 2776N25 | 00000 | 2780N15 | 0000 | ||
| 1 5/8" | 1.625" | 9" | 4.88" | Round | 1 1/2" | Carbide Insert | 0.486" | 0.498" | 2769N35 | 000000 | 1 | 2776N25 | 00000 | 2780N15 | 0000 | ||
| 1 5/8" | 1.625" | 12 1/4" | 8.13" | Round | 1 1/2" | Carbide Insert | 0.486" | 0.498" | 2769N36 | 00000000 | 1 | 2776N25 | 00000 | 2780N15 | 0000 | ||
| 1 3/4" | 1.75" | 9 3/8" | 5 1/4" | Round | 1 1/2" | Carbide Insert | 0.585" | 0.608" | 2769N37 | 000000 | 1 | 2776N27 | 00000 | 2780N16 | 0000 | ||
| 2" | 2" | 10 3/8" | 6" | Round | 1 1/2" | Carbide Insert | 0.585" | 0.608" | 2769N38 | 00000000 | 1 | 2776N27 | 00000 | 2780N16 | 0000 | ||
| 2 1/4" | 2.25" | 11 1/4" | 6 3/4" | Round | 1 1/2" | Carbide Insert | 0.705" | 0.732" | 2769N39 | 00000000 | 10 | 2776N786 | 000000 | 2780N16 | 0000 | ||
| 2 1/2" | 2.5" | 12 1/4" | 7 1/2" | Round | 1 1/2" | Carbide Insert | 0.705" | 0.732" | 2769N41 | 00000000 | 10 | 2776N786 | 000000 | 2780N16 | 0000 | ||
Inserts for Carbide-Insert Drill Bits
Pair an inner and outer insert with a compatible drill bit body (sold separately) to drill a large number of holes with high precision. When the cutting edges dull, replace the carbide inserts instead of the entire bit.
Inner
 |  |
Each | Package | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Drill Bit Size | For Mfr. | For Mfr. Series | IC Dia. | Thk. | Hole Dia. | Tip Radius | For Use On | Features | Each | Pkg. Qty. | Pkg. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Titanium Aluminum Nitride (TiAlN)-Coated Carbide | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/2" | Sandvik Coromant | CoroDrill 880 | 0.189" | 3/32" | 1/16" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N11 | 000000 | 10 | 2776N103 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16", 5/8" | Sandvik Coromant | CoroDrill 880 | 0.193" | 3/32" | 1/16" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N13 | 00000 | 10 | 2776N149 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 11/16", 3/4" | Sandvik Coromant | CoroDrill 880 | 0.224" | 3/32" | 1/8" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N15 | 00000 | 10 | 2776N236 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 7/8" | Sandvik Coromant | CoroDrill 880 | 0.268" | 1/8" | 1/8" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N17 | 00000 | 10 | 2776N341 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1", 1 1/8" | Sandvik Coromant | CoroDrill 880 | 0.331" | 1/8" | 1/8" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N19 | 00000 | 10 | 2776N523 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1 1/4", 1 3/8" | Sandvik Coromant | CoroDrill 880 | 0.402" | 1/8" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N22 | 00000 | 10 | 2776N544 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1 1/2", 1 5/8" | Sandvik Coromant | CoroDrill 880 | 0.486" | 5/32" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N24 | 00000 | 10 | 2776N664 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1 3/4", 2" | Sandvik Coromant | CoroDrill 880 | 0.585" | 3/16" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N26 | 00000 | 10 | 2776N716 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2 1/4", 2 1/2" | Sandvik Coromant | CoroDrill 880 | 0.705" | 7/32" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 2776N28 | 00000 | 10 | 2776N786 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Outer
 |  |
Each | Package | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Drill Bit Size | For Mfr. | For Mfr. Series | IC Dia. | Thk. | Hole Dia. | Tip Radius | For Use On | Features | Each | Pkg. Qty. | Pkg. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Titanium Nitride (TiN)-Coated Carbide | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/2" | Sandvik Coromant | CoroDrill 880 | 0.189" | 3/32" | 1/16" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N12 | 000000 | 10 | 2776N108 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16", 5/8" | Sandvik Coromant | CoroDrill 880 | 0.201" | 3/32" | 1/16" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N14 | 00000 | 10 | 2776N166 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 11/16", 3/4" | Sandvik Coromant | CoroDrill 880 | 0.236" | 3/32" | 1/8" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N16 | 00000 | 10 | 2776N261 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 7/8" | Sandvik Coromant | CoroDrill 880 | 0.295" | 1/8" | 1/8" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N18 | 00000 | 10 | 2776N349 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1", 1 1/8" | Sandvik Coromant | CoroDrill 880 | 0.350" | 1/8" | 1/8" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N21 | 00000 | 10 | 2776N531 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1 1/4", 1 3/8" | Sandvik Coromant | CoroDrill 880 | 0.419" | 1/8" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N23 | 00000 | 10 | 2776N545 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1 1/2", 1 5/8" | Sandvik Coromant | CoroDrill 880 | 0.498" | 5/32" | 3/16" | 3/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N25 | 00000 | 10 | 2776N696 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1 3/4", 2" | Sandvik Coromant | CoroDrill 880 | 0.608" | 3/16" | 3/16" | 3/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N27 | 00000 | 10 | 2776N72 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2 1/4", 2 1/2" | Sandvik Coromant | CoroDrill 880 | 0.732" | 7/32" | 3/16" | 3/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 2776N29 | 00000 | 10 | 2776N945 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
