Chip-Clearing Taps for Through Holes
Keep chips clear while tapping. Also known as gun taps, these 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. They're made of high-speed steel for use on most metal and plastic. With a square shank, they're compatible with tap wrenches and 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.
Use uncoated taps for short production runs. Taps with a black-oxide finish cut with less friction than uncoated taps. Titanium-nitride (TiN) coated taps resist heat and wear better than uncoated taps, letting them last up to twice as long. Titanium-carbonitride (TiCN) coated taps have up to three times the tool life of uncoated taps. Their hard, smooth finish offers superior resistance to chipping, wear, and heat.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Plug Chamfer | |||||||
|---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Each | |
Uncoated High-Speed Steel | |||||||||
| M1.6 | 0.35 | 5/16" | 1 5/8" | 1.25 mm | 0.0492" | 2 | D3 | 0000000 | 000000 |
| M2 | 0.4 | 7/16" | 1 3/4" | 1.6 mm | 0.063" | 2 | D3 | 0000000 | 00000 |
| M2.5 | 0.45 | 1/2" | 1 13/16" | 2.05 mm | 0.0807" | 2 | D3 | 0000000 | 00000 |
| M3 | 0.5 | 5/8" | 1 15/16" | 2.5 mm | 0.0984" | 2 | D3 | 0000000 | 00000 |
| M3.5 | 0.6 | 11/16" | 2" | 2.9 mm | 0.1142" | 2 | D4 | 0000000 | 00000 |
| M4 | 0.7 | 3/4" | 2 1/8" | 3.3 mm | 0.1299" | 2 | D4 | 0000000 | 00000 |
| M4.5 | 0.75 | 7/8" | 2 3/8" | 3.7 mm | 0.1456" | 2 | D4 | 0000000 | 0000 |
| M5 | 0.5 | 57/64" | 2 3/8" | 4.5 mm | 0.1772" | 2 | D3 | 00000000 | 00000 |
| M5 | 0.8 | 7/8" | 2 3/8" | 4.2 mm | 0.1653" | 2 | D4 | 0000000 | 00000 |
| M6 | 0.75 | 1" | 2 1/2" | 5.25 mm | 0.2067" | 2 | D3 | 00000000 | 00000 |
| M6 | 1 | 1" | 2 1/2" | 5 mm | 0.1968" | 2 | D5 | 0000000 | 00000 |
| M6.3 | 1 | 1" | 2 1/2" | 5.3 mm | 0.2086" | 2 | D5 | 0000000 | 0000 |
| M7 | 1 | 1 1/8" | 2 23/32" | 6 mm | 0.2362" | 2 | D5 | 0000000 | 00000 |
| M8 | 1 | 1 1/8" | 2 23/32" | 7 mm | 0.2756" | 2 | D5 | 00000000 | 00000 |
| M8 | 1.25 | 1 1/8" | 2 23/32" | 6.7 mm | 0.2637" | 2 | D5 | 0000000 | 00000 |
| M10 | 1 | 1 1/4" | 2 15/16" | 9 mm | 0.3543" | 3 | D5 | 00000000 | 00000 |
| M10 | 1.25 | 1 1/4" | 2 15/16" | 8.75 mm | 0.3445" | 3 | D5 | 00000000 | 00000 |
| M10 | 1.5 | 1 1/4" | 2 15/16" | 8.5 mm | 0.3346" | 3 | D6 | 000000 | 00000 |
| M12 | 1 | 1 21/32" | 3 3/8" | 11 mm | 0.4331" | 3 | D5 | 00000000 | 00000 |
| M12 | 1.25 | 1 21/32" | 3 3/8" | 10.75 mm | 0.4232" | 3 | D5 | 00000000 | 00000 |
| M12 | 1.5 | 1 21/32" | 3 3/8" | 10.5 mm | 0.4134" | 3 | D6 | 00000000 | 00000 |
| M12 | 1.75 | 1 21/32" | 3 3/8" | 10.2 mm | 0.4015" | 3 | D6 | 0000000 | 00000 |
| M14 | 1.5 | 1 21/32" | 3 19/32" | 12.5 mm | 0.4921" | 3 | D6 | 00000000 | 00000 |
| M14 | 2 | 1 21/32" | 3 19/32" | 12 mm | 0.4724" | 3 | D7 | 0000000 | 00000 |
| M16 | 1.5 | 1 13/16" | 3 13/16" | 14.5 mm | 0.5709" | 3 | D6 | 00000000 | 00000 |
| M16 | 2 | 1 13/16" | 3 13/16" | 14 mm | 0.5512" | 3 | D7 | 0000000 | 00000 |
| M18 | 1.5 | 1.09" | 4.03" | 16.5 mm | 0.6496" | 3 | D6 | 0000000 | 000000 |
| M18 | 2.5 | 1 13/16" | 4 1/32" | 15.5 mm | 0.6102" | 3 | D7 | 0000000 | 00000 |
| M20 | 1.5 | 1.22" | 4.47" | 47/64" | 0.7344" | 3 | D6 | 0000000 | 000000 |
| M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 3 | D7 | 0000000 | 00000 |
| M24 | 3 | 2 7/32" | 4 29/32" | 21 mm | 0.8268" | 3 | D8 | 00000000 | 00000 |
Black Oxide High-Speed Steel | |||||||||
| M24 | 2 | 1.22" | 4.91" | 22 mm | 0.8661" | 3 | D7 | 0000000 | 000000 |
| M22 | 1.5 | 1.22" | 4.69" | 20 mm | 0.7874" | 3 | D6 | 0000000 | 000000 |
| M22 | 2.5 | 1.22" | 4.69" | 25/32" | 0.7812" | 3 | D7 | 0000000 | 000000 |
| M30 | 1.5 | 1.22" | 5.44" | 1 1/8" | 1.125" | 4 | D6 | 0000000 | 000000 |
Titanium Nitride (TiN) Coated High-Speed Steel | |||||||||
| M1.6 | 0.35 | 5/16" | 1 5/8" | 1.25 mm | 0.0492" | 2 | D3 | 0000000 | 00000 |
| M2 | 0.4 | 7/16" | 1 3/4" | 1.6 mm | 0.063" | 2 | D3 | 0000000 | 00000 |
| M2.5 | 0.45 | 1/2" | 1 13/16" | 2.05 mm | 0.0807" | 2 | D3 | 0000000 | 00000 |
| M3 | 0.5 | 5/8" | 1 15/16" | 2.5 mm | 0.0984" | 2 | D3 | 0000000 | 00000 |
| M3.5 | 0.6 | 11/16" | 2" | 2.9 mm | 0.1142" | 2 | D4 | 00000000 | 00000 |
| M4 | 0.7 | 3/4" | 2 1/8" | 3.3 mm | 0.1299" | 2 | D4 | 0000000 | 00000 |
| M4.5 | 0.75 | 7/8" | 2 3/8" | 3.7 mm | 0.1456" | 2 | D4 | 00000000 | 00000 |
| M5 | 0.5 | 7/8" | 2 3/8" | 4.5 mm | 0.1772" | 2 | D3 | 00000000 | 00000 |
| M5 | 0.8 | 7/8" | 2 3/8" | 4.2 mm | 0.1653" | 2 | D4 | 0000000 | 00000 |
| M6 | 0.75 | 1" | 2 1/2" | 5.25 mm | 0.2067" | 2 | D3 | 0000000 | 00000 |
| M6 | 1 | 1" | 2 1/2" | 5 mm | 0.1968" | 2 | D5 | 0000000 | 00000 |
| M6.3 | 1 | 1" | 2 1/2" | 5.3 mm | 0.2086" | 2 | D5 | 00000000 | 00000 |
| M7 | 1 | 1 1/8" | 2 23/32" | 6 mm | 0.2362" | 2 | D5 | 00000000 | 00000 |
| M8 | 1 | 1 1/8" | 2 23/32" | 7 mm | 0.2756" | 2 | D5 | 00000000 | 00000 |
| M8 | 1.25 | 1 1/8" | 2 23/32" | 6.7 mm | 0.2637" | 2 | D5 | 0000000 | 00000 |
| M10 | 1 | 1 1/4" | 2 15/16" | 9 mm | 0.3543" | 3 | D5 | 00000000 | 00000 |
| M10 | 1.25 | 1 1/4" | 2 15/16" | 8.75 mm | 0.3445" | 3 | D5 | 00000000 | 00000 |
| M10 | 1.5 | 1 1/4" | 2 15/16" | 8.5 mm | 0.3346" | 3 | D6 | 0000000 | 00000 |
| M12 | 1 | 1 21/32" | 3 3/8" | 11 mm | 0.4331" | 3 | D5 | 00000000 | 00000 |
| M12 | 1.25 | 1 21/32" | 3 3/8" | 10.75 mm | 0.4232" | 3 | D5 | 00000000 | 00000 |
| M12 | 1.5 | 1 21/32" | 3 3/8" | 10.5 mm | 0.4134" | 3 | D6 | 00000000 | 00000 |
| M12 | 1.75 | 1 21/32" | 3 3/8" | 10.2 mm | 0.4015" | 3 | D6 | 0000000 | 00000 |
| M14 | 1.5 | 1 21/32" | 3 19/32" | 12.5 mm | 0.4921" | 3 | D6 | 00000000 | 00000 |
| M14 | 2 | 1 21/32" | 3 19/32" | 12 mm | 0.4724" | 3 | D7 | 0000000 | 00000 |
| M16 | 1.5 | 1 13/16" | 3 13/16" | 14.5 mm | 0.5709" | 3 | D6 | 00000000 | 00000 |
| M16 | 2 | 1 13/16" | 3 13/16" | 14 mm | 0.5512" | 3 | D7 | 0000000 | 00000 |
| M18 | 2.5 | 1 13/16" | 4 1/32" | 15.5 mm | 0.6102" | 3 | D7 | 0000000 | 00000 |
| M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 3 | D7 | 0000000 | 000000 |
| M24 | 3 | 2 7/32" | 4 29/32" | 21 mm | 0.8268" | 3 | D8 | 0000000 | 000000 |
Titanium Carbonitride (TiCN) Coated High-Speed Steel | |||||||||
| M1.6 | 0.35 | 5/16" | 1 5/8" | 1.25 mm | 0.0492" | 2 | D3 | 0000000 | 00000 |
| M1.7 | 0.35 | 23/64" | 1 37/64" | 3/64" | 0.0469" | 2 | D3 | 0000000 | 00000 |
| M2 | 0.4 | 7/16" | 1 3/4" | 1.6 mm | 0.063" | 2 | D3 | 0000000 | 00000 |
| M2.3 | 0.4 | 7/16" | 1 25/32" | 5/64" | 0.0781" | 2 | D3 | 0000000 | 00000 |
| M2.5 | 0.45 | 1/2" | 1 13/16" | 2.05 mm | 0.0807" | 2 | D3 | 0000000 | 00000 |
| M2.6 | 0.45 | 15/32" | 1 31/32" | 3/32" | 0.0938" | 2 | D3 | 0000000 | 00000 |
| M3 | 0.5 | 5/8" | 1 15/16" | 2.5 mm | 0.0984" | 2 | D3 | 0000000 | 00000 |
| M3.5 | 0.6 | 11/16" | 2" | 2.9 mm | 0.1142" | 2 | D3 | 00000000 | 00000 |
| M4 | 0.7 | 3/4" | 2 1/8" | 3.3 mm | 0.1299" | 2 | D4 | 0000000 | 00000 |
| M5 | 0.5 | 7/8" | 2 3/8" | 4.5 mm | 0.1772" | 2 | D3 | 00000000 | 00000 |
| M5 | 0.8 | 7/8" | 2 3/8" | 4.2 mm | 0.1653" | 2 | D4 | 0000000 | 00000 |
| M6 | 0.75 | 1" | 2 1/2" | 5.25 mm | 0.2067" | 2 | D3 | 0000000 | 00000 |
| M6 | 1 | 1" | 2 1/2" | 5 mm | 0.1968" | 2 | D5 | 0000000 | 00000 |
| M6.3 | 1 | 1" | 2 1/2" | 5.3 mm | 0.2086" | 2 | D5 | 00000000 | 00000 |
| M7 | 1 | 1 1/8" | 2 23/32" | 6 mm | 0.2362" | 2 | D5 | 00000000 | 00000 |
| M8 | 1 | 1 1/8" | 2 23/32" | 7 mm | 0.2756" | 2 | D5 | 00000000 | 00000 |
| M8 | 1.25 | 1 1/8" | 2 23/32" | 6.7 mm | 0.2637" | 2 | D5 | 0000000 | 00000 |
| M10 | 1 | 1 1/4" | 2 15/16" | 9 mm | 0.3543" | 3 | D5 | 00000000 | 00000 |
| M10 | 1.25 | 1 1/4" | 2 15/16" | 8.75 mm | 0.3445" | 3 | D5 | 00000000 | 00000 |
| M10 | 1.5 | 1 1/4" | 2 15/16" | 8.5 mm | 0.3346" | 3 | D6 | 0000000 | 00000 |
| M12 | 1 | 1 21/32" | 3 3/8" | 11 mm | 0.4331" | 3 | D5 | 00000000 | 00000 |
| M12 | 1.25 | 1 21/32" | 3 3/8" | 10.75 mm | 0.4232" | 3 | D5 | 00000000 | 00000 |
| M12 | 1.5 | 1 21/32" | 3 3/8" | 10.5 mm | 0.4134" | 3 | D6 | 00000000 | 00000 |
| M12 | 1.75 | 1 21/32" | 3 3/8" | 10.2 mm | 0.4015" | 3 | D6 | 0000000 | 00000 |
| M14 | 1.5 | 1 21/32" | 3 19/32" | 12.5 mm | 0.4921" | 3 | D6 | 00000000 | 00000 |
| M14 | 2 | 1 21/32" | 3 19/32" | 12 mm | 0.4724" | 3 | D7 | 0000000 | 00000 |
| M16 | 1.5 | 1 13/16" | 3 13/16" | 14.5 mm | 0.5709" | 3 | D6 | 00000000 | 00000 |
| M16 | 2 | 1 13/16" | 3 13/16" | 14 mm | 0.5512" | 3 | D7 | 0000000 | 00000 |
| M18 | 2.5 | 1 13/16" | 4 1/32" | 15.5 mm | 0.6102" | 3 | D7 | 0000000 | 000000 |
| M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 3 | D7 | 0000000 | 000000 |
| M24 | 3 | 2 7/32" | 4 29/32" | 21 mm | 0.8268" | 3 | D8 | 0000000 | 000000 |
Long-Reach Chip-Clearing Taps for Through Holes
Clear chips while tapping deep and hard-to-reach holes. These taps have an extra-long shank for extended reach. Also known as gun taps, their spiral-point flutes push chips ahead of the tap and out of through holes. They don't need to be reversed to prevent buildup, so they produce threads more efficiently than standard taps and are suitable for production work. Their square shank is compatible with tap wrenches and 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.
Uncoated high-speed steel taps are for use on most metal and plastic.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Plug Chamfer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Thread Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Thread Type | Pitch Dia. Limit | Shank Diameter | Each | |
Uncoated High-Speed Steel | |||||||||||
| M3.5 | 0.6 | 11/16" | 6" | No. 32 | 0.116" | 2 | Metric | D4 | 0.141" | 0000000 | 000000 |
| M4 | 0.7 | 3/4" | 6" | 3.3 mm | 0.1299" | 2 | Metric | D4 | 0.168" | 0000000 | 00000 |
| M5 | 0.8 | 7/8" | 6" | 4.3 mm | 0.1692" | 2 | Metric | D4 | 0.194" | 0000000 | 00000 |
| M6 | 1 | 1" | 6" | 5.1 mm | 0.2007" | 2 | Metric | D5 | 0.255" | 0000000 | 00000 |
| M8 | 1.25 | 1 1/8" | 6" | 6.9 mm | 0.2716" | 2 | Metric | D5 | 0.318" | 0000000 | 00000 |
| M10 | 1.5 | 1 1/4" | 6" | R | 0.339" | 3 | Metric | D6 | 0.381" | 0000000 | 00000 |
| M12 | 1.75 | 1 21/32" | 6" | 13/32" | 0.4063" | 3 | Metric | D6 | 0.367" | 0000000 | 00000 |
| M16 | 2 | 1 13/16" | 6" | 14 mm | 0.5512" | 3 | Metric | D7 | 0.48" | 0000000 | 00000 |
Oversize Chip-Clearing Taps for Through Holes
Create oversized threads while keeping chips clear. These taps are sized for use in holes where the threads will shrink due to heat treatment or plating. Also known as gun taps, they have spiral-point flutes to 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.
They're made of high-speed steel and are for use on most metal and plastic. With a square shank, they're compatible with tap wrenches and 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.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Plug Chamfer | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Thread Type | Pitch Dia. Limit | Each | |
Uncoated High-Speed Steel | ||||||||||
| M3 | 0.5 | 11/16" | 1 15/16" | 2.5 mm | 0.0984" | 2 | Metric | H11 | 00000000 | 000000 |
| M3.5 | 0.6 | 11/16" | 2" | 2.9 mm | 0.1142" | 2 | Metric | H11 | 00000000 | 00000 |
| M4 | 0.7 | 3/4" | 2 1/8" | 3.3 mm | 0.1299" | 2 | Metric | H11 | 00000000 | 00000 |
| M5 | 0.8 | 7/8" | 2 3/8" | 4.2 mm | 0.1653" | 2 | Metric | H11 | 00000000 | 00000 |
| M6 | 1 | 1" | 2 1/2" | 5 mm | 0.1968" | 2 | Metric | H11 | 00000000 | 00000 |
| M8 | 1.25 | 1 1/8" | 2 23/32" | 6.75 mm | 0.2657" | 2 | Metric | H11 | 00000000 | 00000 |
| M10 | 1.5 | 1 1/4" | 2 15/16" | 8.5 mm | 0.3346" | 3 | Metric | H11 | 00000000 | 00000 |
| M12 | 1.75 | 1 21/32" | 3 3/8" | 10.25 mm | 0.4035" | 3 | Metric | H11 | 00000000 | 00000 |
Taps for Steel and Stainless Steel
These taps are made of high-speed steel for higher strength and wear resistance than standard taps. Their flutes are designed to keep chips clear, so they don't need to be reversed to prevent buildup. With a square shank, they're compatible with tap wrenches and tap holders for drill presses and milling machines. Taps with plug chamfers have 3-5 chamfered cutting threads. Taps with bottoming chamfers have 1-2 threads.
Taps for through-hole threading have spiral-point flutes, which push chips ahead of the tap and out of through holes. They're also known as gun taps.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Through-Hole Threading | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Chamfer Type | Each | |
Black Oxide High-Speed Steel | ||||||||||
| M3 | 0.5 | 19/32" | 1 15/16" | 2.5 mm | 0.0984" | 2 | D3 | Plug | 0000000 | 000000 |
| M3.5 | 0.6 | 3/8" | 2" | 2.9 mm | 0.1142" | 2 | D4 | Plug | 0000000 | 00000 |
| M4 | 0.7 | 3/8" | 2 1/8" | 3.3 mm | 0.1299" | 2 | D4 | Plug | 0000000 | 00000 |
| M5 | 0.8 | 1/2" | 2 3/8" | 4.2 mm | 0.1653" | 2 | D4 | Plug | 0000000 | 00000 |
| M6 | 1 | 5/8" | 2 1/2" | 5 mm | 0.1968" | 3 | D5 | Plug | 0000000 | 00000 |
| M7 | 1 | 11/16" | 2 23/32" | 6 mm | 0.2362" | 3 | D5 | Plug | 0000000 | 00000 |
| M8 | 1 | 11/16" | 2 23/32" | 6.9 mm | 0.2716" | 3 | D5 | Plug | 0000000 | 00000 |
| M8 | 1.25 | 11/16" | 2 23/32" | 6.7 mm | 0.2637" | 3 | D5 | Plug | 0000000 | 00000 |
| M10 | 1.25 | 3/4" | 2 15/16" | 8.7 mm | 0.3425" | 3 | D5 | Plug | 0000000 | 00000 |
| M10 | 1.5 | 3/4" | 2 15/16" | 8.5 mm | 0.3346" | 3 | D6 | Plug | 0000000 | 00000 |
| M12 | 1.25 | 15/16" | 3 3/8" | 10.8 mm | 0.4251" | 3 | D6 | Plug | 0000000 | 00000 |
| M12 | 1.75 | 15/16" | 3 3/8" | 10.2 mm | 0.4015" | 3 | D6 | Plug | 0000000 | 00000 |
| M14 | 1.5 | 1" | 3 19/32" | 12.5 mm | 0.4921" | 3 | D6 | Plug | 0000000 | 00000 |
| M14 | 2 | 1" | 3 19/32" | 12 mm | 0.4724" | 3 | D7 | Plug | 0000000 | 00000 |
| M16 | 1.5 | 1 3/32" | 3 13/16" | 14.5 mm | 0.5709" | 3 | D6 | Plug | 0000000 | 00000 |
| M16 | 2 | 1 3/32" | 3 13/16" | 14 mm | 0.5512" | 3 | D7 | Plug | 0000000 | 00000 |
| M18 | 1.5 | 1 3/32" | 4 1/32" | 16.5 mm | 0.6496" | 3 | D6 | Plug | 0000000 | 00000 |
| M18 | 2.5 | 1 7/32" | 4 1/32" | 15.5 mm | 0.6102" | 3 | D7 | Plug | 0000000 | 00000 |
| M20 | 1.5 | 1 7/32" | 4 15/32" | 18.5 mm | 0.7283" | 3 | D6 | Plug | 0000000 | 000000 |
| M20 | 2.5 | 1 7/32" | 4 15/32" | 17.5 mm | 0.689" | 3 | D7 | Plug | 0000000 | 000000 |
| M22 | 1.5 | 1 7/32" | 4 11/16" | 20.5 mm | 0.8071" | 3 | D6 | Plug | 0000000 | 000000 |
| M22 | 2.5 | 1 7/32" | 4 11/16" | 19.5 mm | 0.7677" | 3 | D7 | Plug | 0000000 | 000000 |
| M24 | 3 | 1 7/32" | 4 29/32" | 21 mm | 0.8268" | 3 | D8 | Plug | 0000000 | 000000 |
| M30 | 1.5 | 1 7/32" | 5 7/16" | 28.5 mm | 1.122" | 4 | D6 | Plug | 0000000 | 000000 |
| M30 | 3.5 | 1 7/32" | 5 7/16" | 26.5 mm | 1.0433" | 4 | D9 | Plug | 0000000 | 000000 |
JIS Thread Taps
Produce metric threads that meet Japanese Industrial Standards. These taps are made of high-speed steel for use on most metal and plastic. They have a square shank that's compatible with tap wrenches and tap holders for drill presses and milling machines.
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-chamfer taps. When using them to tap closed-end holes, be sure to leave enough space at the bottom for chips to accumulate. Taps with spiral-point flutes push chips ahead of the tap and out of through holes, so they don’t need to be reversed to prevent buildup. They’re also known as gun taps.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Plug Chamfer | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Each | |
Uncoated High-Speed Steel | |||||||||
Spiral-Point Flutes | |||||||||
| M3 | 0.5 | 25/64" | 1 13/16" | 7/64" | 0.1094" | 3 | JIS Class 2 | 0000000 | 000000 |
| M4 | 0.7 | 33/64" | 2 3/64" | 9/64" | 0.1406" | 3 | JIS Class 2 | 0000000 | 00000 |
| M5 | 0.8 | 19/32" | 2 23/64" | 11/64" | 0.1719" | 3 | JIS Class 2 | 0000000 | 00000 |
| M6 | 1 | 3/4" | 2 29/64" | 13/64" | 0.2031" | 3 | JIS Class 2 | 0000000 | 00000 |
| M8 | 1.25 | 55/64" | 2 3/4" | 17/64" | 0.2656" | 3 | JIS Class 2 | 0000000 | 00000 |
| M10 | 1.5 | 15/16" | 2 61/64" | 11/32" | 0.3438" | 3 | JIS Class 2 | 0000000 | 00000 |
| M12 | 1.75 | 15/16" | 3 15/64" | 13/32" | 0.4063" | 3 | JIS Class 2 | 0000000 | 00000 |
Chip-Clearing Tap Sets for Through-Holes
Sets include multiple tap sizes for threading different hole diameters. Also known as gun taps, all 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. They're made of high-speed steel and are for use on most metal and plastic. With a square shank, they're compatible with tap wrenches and tap holders for drill presses and milling machines. Their plug chamfer starts threads with moderate torque and is good for start-to-finish tapping.
Uncoated taps are strong enough for most tapping jobs but have the shortest tool life.
Titanium-nitride (TiN) coated taps resist heat and wear better than uncoated taps, letting them last up to twice as long. They also last longer than taps with a gold-oxide finish.
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 | Specifications Met | Container Type | Each | |
Uncoated High-Speed Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| 7 | Plug | M3 × 0.50 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 | Metric | 3 | ISO 529 | Plastic Case | 0000000 | 0000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||||
| 7 | Plug | M3 × 0.50 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 | Metric | 3 | ISO 529 | Plastic Case | 0000000 | 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 |