M9 Taps | McMaster-Carr

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15 Products

General Purpose Taps

Taper Chamfer

Plug Chamfer

Bottoming Chamfer

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. 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.

Metric

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
M9	1	1 1/4"	2 15/16"	8 mm	0.315"	4	D5	Square	000000000	000000	000000000	000000
M9	1.25	1 1/4"	2 15/16"	7.7 mm	0.3031"	4	D5	Square	000000000	00000	000000000	00000
Plug Chamfer
Uncoated High-Speed Steel
M9	1	1 1/4"	2 15/16"	8 mm	0.315"	4	D5	Square	000000000	00000	000000000	00000
M9	1.25	1 1/4"	2 15/16"	7.7 mm	0.3031"	4	D5	Square	000000000	00000	000000000	00000
Bottoming Chamfer
Uncoated High-Speed Steel
M9	1	1 1/4"	2 15/16"	8 mm	0.315"	4	D5	Square	000000000	00000	000000000	00000
M9	1.25	1 1/4"	2 15/16"	7.7 mm	0.3031"	4	D5	Square	000000000	00000	000000000	00000

Chip-Clearing Taps for Closed-End Holes

The spiral flute design pulls chips back toward the tap, so chips won't accumulate in closed-end holes. With no need to reverse while tapping, these taps produce threads more efficiently than standard taps and are often used for production work. They're made of high speed steel for cutting into most metal and plastic. However, they’re not recommended for tapping material with fine or powdery chips that may fall back into the hole and damage the tap or the workpiece.

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.

Metric

Thread				Drill Bit				Bottoming Chamfer
Size	Pitch, mm	Lg.	Overall Lg.	Size	Decimal Size Equivalent	No. of Flutes	Pitch Dia. Limit		Each
Titanium Carbonitride (TiCN) Coated High-Speed Steel
M9	1.25	25/64"	3 17/32"	7.9 mm	0.313"	3	D5	00000000	000000

Tap Sets

Taper, Plug, and Bottoming Chamfer Set

Plug Chamfer Set

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.

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.

For technical drawings and 3-D models, click on a part number.

Metric Sets—Same Tap Size (Taper, Plug, and Bottom Chamfer)

				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 High-Speed Steel
M9	1	1 1/4"	2 15/16"	8 mm	0.315"	4	D5	Plastic Case	3	000000000	000000
M9	1.25	1 1/4"	2 15/16"	7.7 mm	0.3031"	4	D5	Plastic Case	3	000000000	00000

Metric Sets—Assorted Tap Sizes (Plug Chamfer)

Uncoated Carbon Steel
No. of Pieces	Tap Sizes Included		Each
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

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.

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.

Carbon Steel Taps and Dies
No. of Pieces	Tap Sizes Included	Tap Chamfer Type	Die Shape	Die Sizes Included	Wd.	Container Type	Includes		Each
Right-Hand Thread
24	1/8"-28, M3 × 0.50 mm, M4 × 0.70 mm, M5 × 0.80 mm, M6 × 1.00 mm, M7 × 1.00 mm,; M8 × 1.25 mm, M9 × 1.25 mm, M10 × 1.50 mm, M12 × 1.50 mm, and M12 × 1.75 mm	Plug, Taper	Hex	1/8"-28, M3 × 0.50 mm, M4 × 0.70 mm, M5 × 0.80 mm, M6 × 1.00 mm, M7 × 1.00 mm, M8 × 1.25 mm, M9 × 1.25 mm, M10 × 1.50 mm, M12 × 1.50 mm, M12 × 1.75 mm	1"	Plastic Case	Die Wrench, Tap Wrench	00000000	000000
40	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, and M12 × 1.75 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	5/8", 1"	Plastic Case	Die Wrench (2), Tap Wrench (3), Thread Gauge	0000000	000000
52	1/8"-28, 1/4"-19, 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 × 1.25 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 × 1.25 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 mm, M18 × 1.50 mm, and M18 × 2.50 mm	Plug, Taper	Hex	1/8"-28, 1/4"-19, 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 × 1.25 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 × 1.25 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 mm, M18 × 1.50 mm, M18 × 2.50 mm	1", 1 7/16"	Plastic Case	Die Wrench (2), Tap Wrench (3), Thread Gauge	0000000	000000
65	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,; 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; M12 × 1.50 mm, M12 × 1.75 mm, M14 × 1.25 mm, M14 × 1.50 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 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 × 1.25 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, 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

Tap, Die, and Drill Bit Sets

Cut and repair threads and drill holes in many different sizes. Tap and die wrenches are included. The dies are hex shaped for use with conventional wrenches. The taps are made of carbon steel and are recommended for thread repair and occasional tapping.

Carbon Steel
No. of Pieces	Tap Sizes Included	Die Sizes Included	Drill Bit Sizes Included	Container Type	Includes		Each
Right-Hand Thread
117	4-40, 6-32, 8-32, 10-24, 10-32, 12-24,; 1/8"-27, 1/8"-28, 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,; 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, and M12 × 1.75 mm	4-40, 6-32, 8-32, 10-24, 10-32, 12-24, 1/8"-27, 1/8"-28, 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, 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 x 1.25 mm, M10 × 1.50 mm, M10 x 1.50 mm, M11 × 1.50 mm, M11 x 1.50 mm, M12 × 1.50 mm, M12 x 1.50 mm, M12 × 1.75 mm	5/64", 7/64", 5/32", 1/4", 19/64", 5/16", 21/64", 3/8", 25/64", 13/32", 27/64", 29/64",; 43 ga., 39 ga., 36 ga., 30 ga., 29 ga., 25 ga., 21 ga., 20 ga., 16 ga., 9 ga., 7 ga., 3 ga., B, F, H, I, J, O, Q, R, S, U, and Z	Plastic Case	Die Wrench (2), Extractor (5), Tap Wrench (3), Thread Gauge (2)	00000000	0000000