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General Purpose Taps




Cut threads into most metal and plastic. These high-speed steel taps are durable enough for small-scale tapping jobs, but they're not recommended for production use. For better chip flow, choose a tap with fewer flutes.
Drive square-shank taps with a tap wrench or use them in a tap holder for drill presses and milling machines. 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. Taper-chamfer taps have 7-10 chamfered threads at the tip for cutting into the workpiece. They require less torque than other chamfer types, making them a good choice for starting threads and tapping through holes. However, a longer taper means that they cannot thread as close to the bottom of closed-end holes.
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.
Bottoming-chamfer taps cut into the workpiece with just 1-2 chamfered threads. This short chamfer lets them thread holes closer to the bottom than other taps, but they require more torque to start threads.
Sets include one taper-, one plug-, and one bottoming-chamfer tap.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Tap Sets | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Shank Type | Each | Each | ||
Taper Chamfer | ||||||||||||
Uncoated High-Speed Steel | ||||||||||||
M20 | 1 | 2" | 4 15/32" | 19 mm | 0.748" | 4 | D6 | Square | 000000000 | 000000 | 000000000 | 0000000 |
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | Square | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | Square | 0000000 | 00000 | 00000000 | 000000 |
Titanium Nitride (TiN) Coated High-Speed Steel | ||||||||||||
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | Square | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | Square | 00000000 | 00000 | 00000000 | 000000 |
Plug Chamfer | ||||||||||||
Uncoated High-Speed Steel | ||||||||||||
M20 | 1 | 2" | 4 15/32" | 19 mm | 0.748" | 4 | D6 | Square | 000000000 | 00000 | 000000000 | 000000 |
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | Square | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | Square | 0000000 | 00000 | 00000000 | 000000 |
Titanium Nitride (TiN) Coated High-Speed Steel | ||||||||||||
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | Square | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | Square | 00000000 | 00000 | 00000000 | 000000 |
Bottoming Chamfer | ||||||||||||
Uncoated High-Speed Steel | ||||||||||||
M20 | 1 | 2" | 4 15/32" | 19 mm | 0.748" | 4 | D6 | Square | 000000000 | 00000 | 000000000 | 000000 |
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | Square | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | Square | 0000000 | 00000 | 00000000 | 000000 |
Titanium Nitride (TiN) Coated High-Speed Steel | ||||||||||||
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | Square | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | Square | 00000000 | 00000 | 00000000 | 000000 |
Long-Reach General Purpose Taps



Use the extra-long shank to thread deep and hard-to-reach holes. These taps are made of uncoated 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 chamfer with chamfered cutting threads, so they're suitable for start-to-finish tapping. When using them to tap closed-end holes, be sure to leave sufficient space at the bottom for chips to accumulate.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Shank | ||||||||||
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Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Thread Type | Pitch Dia. Limit | Dia. | Dia. Tolerance | Each | |
Bottoming Chamfer | ||||||||||||
Uncoated High-Speed Steel | ||||||||||||
M20 | 2.5 | 2" | 6" | 45/64" | 0.7031" | 4 | Metric | D7 | 0.652" | -0.0313" to 0.0313" | 00000000 | 000000 |
Plug Chamfer | ||||||||||||
Uncoated High-Speed Steel | ||||||||||||
M20 | 2.5 | 2" | 6" | 45/64" | 0.7031" | 4 | Metric | D7 | 0.652" | -0.0313" to 0.0313" | 00000000 | 00000 |
Left-Hand General Purpose Taps




Tap threads for left-hand threaded fasteners. Made of uncoated high-speed steel, these taps are durable enough for small-scale tapping jobs, but they're not recommended for production use. All have a square shank that's compatible with tap wrenches and tap holders for drill presses and milling machines.
Taper-chamfer taps have 7-10 chamfered threads at the tip for cutting into the workpiece. They require less torque than other chamfer types, making them a good choice for starting threads and tapping through holes. However, a longer taper means that they cannot thread as close to the bottom of closed-end holes.
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.
Bottoming-chamfer taps cut into the workpiece with just 1-2 chamfered threads. This short chamfer lets them thread holes closer to the bottom than other taps, but they require more torque to start threads.
Sets include one taper-, one plug-, and one bottoming-chamfer tap.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Tap Sets | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Each | Each | ||
Taper Chamfer | |||||||||||
Uncoated High-Speed Steel | |||||||||||
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | 000000000 | 000000 | 000000000 | 0000000 |
M20 | 2 | 2" | 4 15/32" | 18 mm | 0.7087" | 4 | D7 | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | 00000000 | 00000 | 00000000 | 000000 |
Plug Chamfer | |||||||||||
Uncoated High-Speed Steel | |||||||||||
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2 | 2" | 4 15/32" | 18 mm | 0.7087" | 4 | D7 | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | 00000000 | 00000 | 00000000 | 000000 |
Bottoming Chamfer | |||||||||||
Uncoated High-Speed Steel | |||||||||||
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2 | 2" | 4 15/32" | 18 mm | 0.7087" | 4 | D7 | 000000000 | 00000 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | 00000000 | 00000 | 00000000 | 000000 |
Economy Carbon Steel Taps




Often used for thread repair and occasional hand tapping, these carbon steel taps can thread holes in most metal and plastic, but they have a shorter tool life than standard taps.
Taper-chamfer taps have 7-10 chamfered threads at the tip for cutting into the workpiece. This lets them cut with less torque than other chamfer types, making them a good choice for starting threads and tapping through holes. However, a longer taper means that they cannot thread as close to the bottom of closed-end holes.
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 start threads less easily than taper chamfers. When using them to tap closed-end holes, be sure to leave sufficient space at the bottom for chips to accumulate.
Bottoming-chamfer taps cut into the workpiece with just 1-2 chamfered threads. This short chamfer lets them thread holes closer to the bottom than other taps, but they require more torque to start threads.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Thread Type | Pitch Dia. Limit | Each | |
Taper Chamfer | ||||||||||
Uncoated Carbon Steel | ||||||||||
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | Metric | D7 | 000000000 | 000000 |
Plug Chamfer | ||||||||||
Uncoated Carbon Steel | ||||||||||
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | Metric | D7 | 000000000 | 00000 |
Bottoming Chamfer | ||||||||||
Uncoated Carbon Steel | ||||||||||
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | Metric | D7 | 000000000 | 00000 |
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. 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 | |||||||||
M20 | 1.5 | 1.22" | 4.47" | 47/64" | 0.7344" | 3 | D6 | 0000000 | 0000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 3 | D7 | 0000000 | 00000 |
Titanium Nitride (TiN) Coated High-Speed Steel | |||||||||
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 3 | D7 | 0000000 | 000000 |
Titanium Carbonitride (TiCN) Coated High-Speed Steel | |||||||||
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 3 | D7 | 0000000 | 000000 |
Taps with Two Threading Ends


With a taper chamfer and bottoming chamfer at opposite ends, these taps start threads easily and are good for threading close to the bottom of closed-end holes. The taper chamfer has 7-10 chamfered cutting threads to drive into the workpiece and start threads with less torque than other chamfer types. The bottoming chamfer has 1-2 chamfered cutting threads to create full threads near the bottom of closed-end holes. To tap threads, turn the tap with an open-end wrench or drive it at either end using an L-key or ratchet wrench. All are made of high-speed steel and are for use on most metal and plastic.
For technical drawings and 3-D models, click on a part number.
Taps for Steel and Stainless Steel

These taps are made of cobalt 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.
Taps for Hardened Steel and Iron

Tap threads into hardened steel and iron. These cobalt steel taps have straight flutes for high durability. 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. When using them to tap closed-end holes, be sure to leave sufficient space at the bottom for chips to accumulate.
Use uncoated taps for short production runs.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Closed-End Hole and Through-Hole Threading | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg. | Overall Lg. | Max. Tapping Dp. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | For Maximum Hardness | Each | |
Uncoated Cobalt Steel | |||||||||||
M20 | 1.5 | 1 21/64" | 4 15/32" | 3 17/32" | 18.5 mm | 0.7283" | 4 | D6 | Rockwell C45 | 00000000 | 000000 |
M20 | 2.5 | 1 7/32" | 4 15/32" | 3 17/32" | 17.5 mm | 0.689" | 4 | D7 | Rockwell C45 | 0000000 | 00000 |
Pipe and Conduit Thread Taps


Create threads sized for pipe and conduit. For use on most metal and plastic, these high-speed steel taps are durable enough for small-scale tapping jobs, but they're not recommended for production use. They have a square shank that's compatible with tap wrenches and tap holders for drill presses and milling machines.
Uncoated taps are strong enough for most tapping jobs but have the shortest tool life. Bottoming-chamfer taps cut into the workpiece with just 1-2 chamfered threads. This short chamfer lets them thread holes closer to the bottom than other taps, but they require more torque to start threads.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Bottoming Chamfer | ||||||
---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Each | |
Uncoated High-Speed Steel | ||||||||
M20 | 1.5 | 7/8" | 3 3/16" | 18 mm | 0.7087" | 4 | 00000000 | 0000000 |
Acme and Metric Trapezoidal Thread Taps

Form general purpose Acme threads. These high-speed steel taps are for use on most metal and plastic. With a square shank, they're compatible with tap holders for drill presses and milling machines. Also known as tandem taps, these have an extended chamfer with two sets of chamfered cutting threads. Because these sets of threads have different shapes, reversing the tap for removal may cause damage to the workpiece and is not recommended. Use these taps with a rigid setup to tap through holes only.
Metric trapezoidal threads are similar to Acme threads.
For technical drawings and 3-D models, click on a part number.
Thread | Drill Bit | Right Hand | |||||||
---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Each | |
Uncoated High-Speed Steel | |||||||||
M20 | 4 | 4.33" | 8 3/4" | 16 mm | 0.6299" | 4 | H7 | 0000000 | 0000000 |
Tap Sets


These taps are 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.
Uncoated carbon steel taps are for thread repair and occasional tapping. Use uncoated high-speed steel taps for small-scale tapping jobs. Titanium-nitride (TiN) coated high-speed steel taps resist heat and wear better than uncoated taps, letting them last up to twice as long.
Taper-chamfer taps have 7-10 chamfered threads at the tip for cutting into the workpiece. They require less torque than other chamfer types, making them a good choice for starting threads and tapping through holes. However, a longer taper means that they cannot thread as close to the bottom of closed-end holes.
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.
Bottoming-chamfer taps cut into the workpiece with just 1-2 chamfered threads. This short chamfer lets them thread holes closer to the bottom than other taps, but they require more torque to start threads.
For technical drawings and 3-D models, click on a part number.
Drill Bit | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Tap Sizes Included | Thread Pitch, mm | Thread Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Container Type | No. of Pieces | Each | |
Uncoated Carbon Steel | |||||||||||
M20 | 2.5 | 1 1/2" | 3 1/4" | 17.5 mm | 0.689" | 4 | D7 | Plastic Case | 3 | 000000000 | 0000000 |
Uncoated High-Speed Steel | |||||||||||
M20 | 1 | 2" | 4 15/32" | 19 mm | 0.748" | 4 | D6 | Plastic Case | 3 | 000000000 | 000000 |
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | Plastic Case | 3 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | Plastic Case | 3 | 00000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||||||||
M20 | 1.5 | 2" | 4 15/32" | 47/64" | 0.7344" | 4 | D6 | Plastic Case | 3 | 000000000 | 000000 |
M20 | 2.5 | 2" | 4 15/32" | 17.5 mm | 0.689" | 4 | D7 | Plastic Case | 3 | 00000000 | 000000 |
No. of Pieces | Tap Sizes Included | Each | |
Uncoated Carbon Steel | |||
---|---|---|---|
113 | 5 each of sizes: M3 × 0.50 mm M3 × 0.60 mm M4 × 0.70 mm M4 × 0.75 mm M5 × 0.80 mm M5 × 0.90 mm M6 × 1.00 mm M6.3 × 1.00 mm M7 × 1.00 mm M8 × 1.00 mm M8 × 1.25 mm M9 × 0.75 mm M9 × 1.00 mm M9 × 1.25 mm M10 × 1.00 mm M10 × 1.25 mm M10 × 1.50 mm M11 × 1.50 mm M12 × 1.25 mm M12 × 1.50 mm M12 × 1.75 mm 1 each of sizes: M14 × 1.25 mm M14 × 1.50 mm M14 × 2.00 mm M16 × 1.50 mm M16 × 2.00 mm M18 × 2.50 mm M20 × 2.50 mm M24 × 3.00 mm | 0000000 | 0000000 |
Left-Hand Tap Sets




For start-to-finish tapping of left-hand threads, these sets include one taper-, one plug-, and one bottoming-chamfer tap. All taps are 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.
Taper-chamfer taps have 7-10 chamfered threads at the tip for cutting into the workpiece. This lets them cut with less torque than other chamfer types, making them a good choice for starting threads and tapping through holes. However, a longer taper means that they cannot thread as close to the bottom of closed-end holes.
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 start threads less easily than taper chamfers. When using them to tap closed-end holes, be sure to leave sufficient space at the bottom for chips to accumulate.
Bottoming-chamfer taps cut into the workpiece with just 1-2 chamfered threads. This short chamfer lets them thread holes closer to the bottom than other taps, but they require more torque to start threads.
For technical drawings and 3-D models, click on a part number.
Tap and Die Sets

Use a single set for many sizes of internal and external threads. The taps and dies are for use on most metal and plastic. Hex-shaped dies are for thread repair and can be used with conventional wrenches.
Carbon steel taps are for thread repair and occasional tapping.
Taper-chamfer taps have 7-10 chamfered threads at the tip for cutting into the workpiece. They require less torque than other chamfer types, making them a good choice for starting threads and tapping through holes. However, a longer taper means that they cannot thread as close to the bottom of closed-end holes
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 sufficient space at the bottom for chips to accumulate.
No. of Pieces | Tap Sizes Included | Tap Chamfer Type | Die Shape | Die Sizes Included | Wd. | Container Type | Includes | Each | |
Carbon Steel | |||||||||
---|---|---|---|---|---|---|---|---|---|
Right-Hand Thread | |||||||||
25 | M14 x 1.25 mm, M14 x 1.50 mm, M14 x 2.00 mm, M16 x 1.50 mm, M16 x 2.00 mm, M18 x 1.50 mm,; M18 x 2.50 mm, M20 x 2.50 mm, M22 x 1.50 mm, M24 x 2.00 mm, M24 x 3.00 mm | Plug | Hex | M14 x 1.25 mm, M14 x 1.50 mm, M14 x 2.00 mm, M16 x 1.50 mm, M16 x 2.00 mm, M18 x 1.50 mm,; M18 x 2.50 mm, M20 x 2.50 mm, M22 x 1.50 mm, M24 x 2.00 mm, M24 x 3.00 mm | 1 7/16", 1 13/16" | Plastic Case | Die Wrench (2), Tap Wrench | 00000000 | 0000000 |
63 | 1/8"-28, M3 × 0.50 mm, M4 × 0.70 mm, M4 × 0.75 mm, M5 × 0.80 mm, M5 × 0.90 mm, M6 × 1.00 mm, M7 × 1.00 mm,; M8 × 1.00 mm, M8 × 1.25 mm, M9 × 1.00 mm, M9 × 1.25 mm, M10 × 1.25 mm, M10 × 1.50 mm, M11 × 1.50 mm,; M12 × 1.50 mm, M12 × 1.75 mm, M14 × 1.50 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 mm,; M18 × 1.50 mm, M18 × 2.50 mm, M20 × 2.50 mm, M22 × 1.50 mm, M24 × 2.00 mm, and M24 × 3.00 mm | Plug, Taper | Hex | 1/8"-28, M3 × 0.50 mm, M4 × 0.70 mm, M4 × 0.75 mm, M5 × 0.80 mm, M5 × 0.90 mm, M6 × 1.00 mm, M7 × 1.00 mm,; M8 × 1.00 mm, M8 × 1.25 mm, M9 × 1.00 mm, M9 × 1.25 mm, M10 × 1.25 mm, M10 × 1.50 mm, M11 × 1.50 mm,; M12 × 1.50 mm, M12 × 1.75 mm, M14 × 1.50 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 mm,; M18 × 1.50 mm, M18 × 2.50 mm, M20 × 2.50 mm, M22 × 1.50 mm, M24 × 2.00 mm, and M24 × 3.00 mm | 5/8", 1", 1 3/16", 1 7/16", 1 13/16" | Plastic Case | Die Wrench (4), Tap Wrench (4), Thread Gauge | 0000000 | 000000 |
Thread Repairing Tap, Die, and File Sets

Repair screw threads in a wide range of sizes. The dies are hex shaped for use with conventional wrenches. The taps have a square shank that's compatible with tap wrenches and tap holders for drill presses and drilling machines. With a plug chamfer, all taps have 3-5 chamfered threads and are suitable for thread repair in both through holes and closed-end holes.
Number of Pieces | Tap Sizes Included | Die Sizes Included | File Sizes Included | Container Type | Each | |
Carbon Steel | ||||||
---|---|---|---|---|---|---|
Right-Hand Thread | ||||||
53 | 1/4”-20, 1/4”-28, 5/16”-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20, 9/16”-12, 9/16"-18, M6 × 1.00 mm, M8 × 1.25 mm, M10 × 1.25 mm, M10 × 1.50 mm, M12 × 1.25 mm, M12 × 1.50 mm, and M12 × 1.75 mm | 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20, 9/16"-12, 9/16"-18, 5/8"-11, 5/8"-18, 3/4"-10, 3/4"-16, 3/4"-20, M6 × 1.00 mm, M6 × 1.25 mm, M7 × 1.00 mm, M8 × 1.00 mm, M8 × 1.25 mm, M8 × 1.50 mm, M10 × 1.00 mm, M10 × 1.25 mm, M10 × 1.50 mm, M12 × 1.25 mm, M12 × 1.50 mm, M12 × 1.75 mm, M14 × 1.25 mm, M14 × 1.50 mm, and M20 × 1.50 mm | For 11 to 24 threads per inch, For 0.8 to 3 mm thread pitches | Plastic Case | 00000000 | 0000000 |
Helical Inserts with Installation Tools

Inserts come with a through-hole tap and installation tool. Also known as Heli-Coil inserts, they have coils that expand once installed to securely anchor the insert. All have a prong for ease of installation. An installation tool grips the prong and reduces the coil diameter, enabling the insert to fit in tapped holes. Remove the prong to insert the screw.
Thread Size | Thread Pitch, mm | Thread Spacing | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | No. of Inserts Included | Includes | Each | |
18-8 Stainless Steel—Right-Hand Threaded | |||||||||
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M20 | 2.5 | Coarse | 30 | 13/16" | 13/16" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 0000000 |