System of Measurement System of Measurement |
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Flute Type Flute Type |
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 | Straight |
 | Spiral |
 | Spiral Point |
For Use On For Use On |
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Shank Type Shank Type |
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 | Round |
 | Hex |
 | Quick- Change Hex |
 | Square |
Overall Length Overall Length | Show |
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Overall Length Overall Length | Hide |
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Individual/Set Individual/Set |
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Material Material |
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Container Type Container Type |
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Maximum Tapping Depth Maximum Tapping Depth |
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Application Application |
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Drill Bit Material Drill Bit Material |
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Chamfer Type Chamfer Type |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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About Counterbores
Counterboring—Enlarge the top of an existing hole to create a cylindrical-shaped opening with a flat bottom that acts as a seat for the head of a screw or wood plug.
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Short-Length Cobalt Steel Drill Bits
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than jobbers'-length drill bits. Made of cobalt steel, which has better heat and wear resistance than high-speed steel, they can run up to 25% faster and have a longer tool life.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated drill bits.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | Each | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Wire Gauge | |||||||||
Titanium-Nitride (TiN) Coated Cobalt Steel | |||||||||
| 30 ga | 0.1285" | 1 15/16" | 0.51" | Round | 0.1285" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 00000 |
| 29 ga | 0.136" | 1 15/16" | 0.54" | Round | 0.136" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 0000 |
| 28 ga | 0.1405" | 1 15/16" | 0.56" | Round | 0.1405" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 0000 |
Carbide Drill Bits with Coolant Holes
Holes in these bits allow coolant to be run through the tool for more efficient chip evacuation. Use them in CNC machines with coolant-through technology. Made of solid carbide for the highest accuracy and longest tool life, they are harder, stronger, and more wear resistant than high-speed steel, cobalt steel, and carbide-tipped bits. They retain a sharp, hard edge at high temperatures for the best performance on hard and abrasive material. A titanium aluminum nitride (TiAlN) coating gives them additional wear and temperature resistance. The four-facet point keeps the bit centered without a pilot hole. These bits require rigid toolholding to prevent breakage and should not be used in hand-held drilling applications.
Maintenance-length drill bits are shorter and more rigid than jobbers'-length bits but longer than short-length bits. They hold up better than jobbers' bits when drilling in hard metal. Also known as mechanics' bits.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | No. of Coolant Holes | For Use On | Each | |
Inch—Maintenance Length | ||||||||||
Titanium-Aluminum-Nitride (TiAlN) Coated Carbide | ||||||||||
| 1/8" | 0.125" | 1 15/16" | 0.69" | Round | 1/8" | Four Facet | 2 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 00000000 | 000000 |
Inch Size Drill-Point Counterbores
Drill and counterbore holes with enough clearance for socket head screws without changing tools. The longer the counterbore, the thicker the material it can drill.
For technical drawings and 3-D models, click on a part number.
Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Screw Size  | Body | Shank | Drill Tip | Overall Lg. | Max. Hole Drilling Dp. | Number of Flutes | For Use On | Each | |
Uncoated High-Speed Steel | |||||||||
| 5/16" | 0.490" | 1/2" | 0.34" | 1 15/16" | 0.375" | 2 | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 000000 |
Inch Size Drill-Point Counterbore Sets
Keep counterbores in various sizes on hand to drill and counterbore holes with enough clearance for socket head cap screws without changing tools. The longer the counterbore, the thicker the material it can drill.
Diameter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sizes Included | Overall Length | Number of Pieces | Body | Shank | Drill Tip | Maximum Hole Drilling Depth | Number of Flutes | Shank Type | For Use On | Container Type | Each | |
Uncoated High-Speed Steel | ||||||||||||
| No. 5 No. 6 No. 8 No. 10 1/4" 5/16" 3/8" 7/16" 1/2" | 1 7/32" 1 7/32" 1 15/32" 1 1/2" 1 3/4" 1 15/16" 2 11/32" 2 1/2" 2 11/16" | 9 | 0.22" 0.242" 0.29" 0.332" 0.406" 0.49" 0.593" 0.687" 0.781" | 1/4" 1/4" 5/16" 5/16" 7/16" 1/2" 5/8" 5/8" 5/8" | 0.138" 0.15" 0.178" 0.2" 0.28" 0.34" 0.406" 0.468" 0.532" | 1/4" 1/4" 0.281" 0.312" 3/8" 3/8" 0.468" 1/2" 0.562" | 2 | Round | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | Plastic Case | 00000000 | 0000000 |
Mortorq® Bits
Hex shank bits for power tools have a groove in the shank and fit directly into power tools without an adapter. They offer more reach for recessed holes and less wobble compared to a hex shank bit used with an adapter.
Tap and Drill Bit Sets
Drill and tap a variety of hole sizes. These taps and drill bits are for use on metal and plastic.
High-speed steel taps and drill bits have a longer tool life than carbon steel. Uncoated high-speed steel taps and drill bits are strong enough for most jobs but don’t last as long as other high-speed steel taps and drill bits. Use them for small-scale jobs.
Plug-chamfer taps are a versatile choice for most tapping applications. With 3-5 chamfered cutting threads, they require moderate torque and are often used for start-to-finish tapping of through holes and closed-end holes. However, they do not start threads as easily as taper chamfers. When using them to tap closed-end holes, be sure to leave sufficient space at the bottom for chips to accumulate.
| No. of Pieces | Chamfer Type | Tap Sizes Included | No. of Flutes | Drill Bit Sizes Included | Drill Bit Material | Container Type | Each | |
Uncoated High-Speed Steel Taps | ||||||||
|---|---|---|---|---|---|---|---|---|
| 16 | Plug | 1 each of sizes: M3 × 0.50 mm M3.5 × 0.60 mm M4 × 0.70 mm M5 × 0.80 mm M6 × 1.00 mm M8 × 1.25 mm M10 × 1.50 mm M12 × 1.75 mm | 3, 4 | 2.5 mm 2.9 mm 3.3 mm 4.2 mm 5.0 mm 6.75 mm 8.5 mm 10.25 mm | Black Oxide High-Speed Steel | Plastic Pouch | 0000000 | 0000000 |
| 18 | Plug | 1 each of sizes: M2.5 × 0.45 mm M3 × 0.50 mm M3.5 × 0.60 mm M4 × 0.70 mm M5 × 0.80 mm M6 × 1.00 mm M8 × 1.25 mm M10 × 1.50 mm M12 × 1.75 mm | 3, 4 | 2.05 mm 2.5 mm 2.9 mm 3.3 mm 4.2 mm 5.0 mm 6.7 mm 8.5 mm 10.2 mm | Uncoated High-Speed Steel | Metal Case | 00000000 | 000000 |
Chip-Clearing Tap and Drill Bit Sets for Through-Holes
Also known as gun taps, the taps in these sets have spiral-point flutes that push chips ahead of the tap and out of through holes. Because they don't need to be reversed to prevent buildup, they produce threads more efficiently than standard taps and are suitable for production work. Taps have a square shank for compatibility with tap wrenches and tap holders for drill presses and milling machines. With a plug chamfer, they have 3-5 chamfered cutting threads, so they're suitable for start-to-finish tapping. All taps and drill bits are made of high-speed steel for use on most metal and plastic.
For technical drawings and 3-D models, click on a part number.
| No. of Pieces | Chamfer Type | Tap Sizes Included | Thread Type | No. of Flutes | Pitch Dia. Limit | Drill Bit Sizes Included | Drill Bit Material | Container Type | Each | |
Gold Oxide High-Speed Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 18 | Plug | M2.5 × 0.45 mm M3 × 0.5 mm M3.5 × 0.6 mm M4 × 0.7 mm M5 × 0.8 mm M6 × 1.00 mm M8 × 1.25 mm M10 × 1.5 mm M12 × 1.75 mm | Metric | 2, 3 | D3, D4, D5, D6 | 2.05 mm 2.5 mm 2.9 mm 3.3 mm 4.2 mm 5 mm 6.7 mm 8.5 mm 10.2 mm | Gold Oxide High-Speed Steel | Metal Case | 00000000 | 0000000 |
Hex-Shank Combination Drill Bit/Tap Sets for Drills and Screwdrivers
Drill and tap holes in a range of diameters. With a drill bit point to drive into the workpiece, these tools can drill and tap holes in a single step. Connect them directly to drills, power screwdrivers, and other tools that accept a 1/4" hex shank. They're made of high-speed steel and are for use on most metal and plastic. Their spiral flutes keep chips clear by drawing them back toward the tap and out of the hole. Recommended for use in through holes, all have a plug chamfer with 3-5 chamfered cutting threads, so they're suitable for start-to-finish tapping.
For technical drawings and 3-D models, click on a part number.
| No. of Pieces | Chamfer Type | Tap Sizes Included | No. of Flutes | Drill Bit Sizes Included | Container Type | Includes | Each | |
Uncoated High-Speed Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| 7 | Plug | M3 × 0.5 mm M4 × 0.7 mm M5 × 0.8 mm M6 × 1.0 mm M8 × 1.25 mm M10 × 1.5 mm | 2 | 3/32" 1/8" 11/64" 13/64" 17/64" 31/64" | Plastic Case | Chuck | 0000000 | 0000000 |
Combination Drill Bit/Taps
Drill holes and cut threads without switching tools. Made of high-speed steel, these taps are for use on most metal and plastic. The square shank is compatible with tap holders for drill presses and milling machines. All have a plug chamfer with 3-5 chamfered cutting threads, so they're suitable for start-to-finish tapping.
Taps with spiral flutes keep chips clear by drawing them back toward the tap and out of the hole.
Uncoated taps are strong enough for most tapping jobs but have a shorter tool life. Titanium nitride (TiN) coated taps resist heat and wear better than uncoated taps, letting them last up to twice as long.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Plug Chamfer | ||||||||
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| Size | Lg. | Overall Lg. | Size | Decimal Size Equivalent | Point Angle | Flute Type | Thread Type | Pitch Dia. Limit | Each | |
Uncoated High-Speed Steel | ||||||||||
| 5-40 | 13/32" | 1 15/16" | 38 ga. | 0.1015" | 110° | Spiral | UNC | H2 | 0000000 | 000000 |
Thread | Drill Bit | Plug Chamfer | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | Point Angle | Flute Type | Pitch Dia. Limit | Each | |
Uncoated High-Speed Steel | ||||||||||
| M3 | 0.5 | 13/32" | 1 15/16" | 2.5 mm | 0.0984" | 110° | Spiral | D3 | 0000000 | 000000 |
Titanium Nitride (TiN) Coated High-Speed Steel | ||||||||||
| M3 | 0.5 | 13/32" | 1 15/16" | 2.5 mm | 0.0984" | 118° | Straight | D3 | 0000000 | 00000 |