Countersink Holders | McMaster-Carr

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For Drill Bit System of Measurement

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Drill Bit Size

Overall Length

Material

Number of Drill Bits

Shank Type

Length

For Use With

Drills and Powered Screwdrivers

For Use On

Number of Compartments

Container Type

Height

Width

Overall Width

REACH

Export Control Classification Number (ECCN)

EAR99

RoHS

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

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Organizer Type

83 Products

Long-Reach Extensions for Threaded-Shank Countersinks

Increase the reach of long-reach threaded-shank countersinks (sold separately). These extensions are compatible with 82°, 90°, and 100° angle threaded-shank countersinks.

	Body Dia.	For Shaft Thread Size	Shank Dia.	For Use On		Each
Uncoated Carbon Steel



	4"	3/8"	1/4"-28	1/4"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	3109A71	000000


	6"	3/8"	1/4"-28	1/4"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	3109A72	00000
	12"	3/8"	1/4"-28	1/4"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	3109A73	00000

Tap and Drill Bit Cases

For Drill Bits


Steel	Plastic

Store and organize drill bits so they stay in good working condition and don't go missing. These cases have individually marked holes for each size in your set.

Steel—Steel cases have stands that fold in and out. Stand them up when you need them, then fold them back into the slim case for storage inside a workbench drawer.

Plastic—Plastic cases have screw-on lids to block out moisture. Compared to steel cases, they're lighter, and they resist rust and dents. Clip them onto your belt to take with you on the job.

		For Drill Bit		Overall
	Material	No. of	Size	Dia.	Lg.	Wd.	Ht.	Features		Each
For Inch Drill Bits







				For Jobbers' Length

				Steel	13	1/16" to 1/4" (Increments of 1/64")	—	5 3/8"	4"	3/8"	—	2961A33	00000


				Steel	15	1/16" to 1/2" (increments of 1/32")	—	7"	4"	1 1/4"	—	2961A22	00000
				Steel	16	1/64" to 1/4" (increments of 1/64")	—	5 3/8"	4"	3/8"	—	2961A27	00000
				Steel	21	1/16" to 3/8" (Increments of 1/64")	—	6"	4"	1 1/8"	—	2961A12	00000
				Steel	29	1/16" to 1/2" (Increments of 1/64")	—	7"	4"	1 3/4"	—	2961A11	00000
				Plastic	29	1/16" to 1/2" (Increments of 1/64")	3"	—	—	6 5/8"	Belt Clip	2961A61	00000




						For Maintenance Length

						Plastic	29	1/16" to 1/2" (Increments of 1/64")	3 7/8"	—	—	7"	Belt Clip	2961A75	00000




								For Short Length

								Steel	29	1/16" to 1/2" (Increments of 1/64")	—	7"	4"	1 3/4"	—	2961A72	00000




										For Extended Length—8" Maximum Drill Bit Length

										Steel	29	1/16" to 1/2" (Increments of 1/64")	—	8 3/4"	4"	1 3/4"	—	2961A34	00000




												For Reduced-Shank Length—1/2" Drill Bit Shank Size

												Steel	8	9/16" to 1" (increments of 1/16")	—	8 1/2"	6 1/4"	2"	—	2961A35	00000


												For Wire Gauge Drill Bits







																For Jobbers' Length

																Steel	20	80 Ga. to 61 Ga.	—	2"	1 1/2"	1/4"	—	2961A17	0000


																Steel	60	60 Ga. to 1 Ga.	—	4 1/2"	3 1/4"	1"	—	2961A16	00000




	For Short Length

	Steel																60	60 Ga. to 1 Ga.	—	4 1/2"	3 1/4"	1"	—	2961A73	00000


	For Letter Size Drill Bits







																		For Jobbers' Length

																		Steel	26	A to Z	—	7"	4"	1 3/4"	—	2961A19	00000




				For Short Length

				Steel	26															A to Z	—	7"	4"	1 3/4"	—	2961A71	00000


				For Metric Drill Bits







																				For Jobbers' Length

																				Steel	13	1.0 mm to 7.0 mm (Increments of 0.5 mm)	—	5 1/2"	4"	1/2"	—	2961A28	0000


								Steel	19											1.0 mm to 10.0 mm (Increments of 0.5 mm)	—	6"	4"	1 1/8"	—	2961A29	00000
								Steel	25											1.0 mm to 13.0 mm (Increments of 0.5 mm)	—	7"	4"	1 3/4"	—	2961A25	00000
								Steel	41											6.0 mm to 10.0 mm (Increments of 0.1 mm)	—	7 1/8"	4 1/2"	2 1/2"	—	2961A32	00000
								Steel	50											1.0 mm to 5.9 mm (Increments of 0.1 mm)	—	4 1/2"	3 1/4"	1"	—	2961A31	00000


								For Inch, Wire Gauge, Letter Size Drill Bits







												For Jobbers' Length

												Steel	19							1/16", 1/2", 1/4", 1/8", 21 Ga., 25 Ga., 37/64", 29 Ga., 3/16", 3/32", 3/8", 5/16", 5/32", 5/64", 7 Ga., 7/16", 7/32", F, U	—	7"	4"	1 1/4"	—	2961A43	00000


												Steel	115	1/16" to 1/2" (Increments of 1/64"), 60 Ga. to 1 Ga., A to Z	—					13 1/2"	4 5/8"	2 1/4"	—	2798A12	00000
												Steel	135	1/16" to 1/2" (Increments of 1/64"), 80 Ga. to 1 Ga., A to Z	—					13 1/2"	4 5/8"	2 1/4"	—	2798A13	00000




For Short Length

Steel														115	1/16" to 1/2" (Increments of 1/64"), 60 Ga. to 1 Ga., A to Z					—	4 5/8"	13 1/2"	2 1/4"	—	2961A74	00000


For Inch, Wire Gauge, Metric Drill Bits







															For Jobbers' Length

			Steel												134	1.0 mm to 13.0 mm (Increments of 0.5 mm), 1/16" to 1/2" (Increments of 1/64"), 80 Ga. to 1 Ga.				—	13 1/2"	4 5/8"	2 1/4"	—	2798A14	00000

For Taps

These cases close for easy transport and are labeled with sizes for organizing tools. Taps are not included.

Steel—Steel cases have stands that fold in and out. Stand them up when you need them, then fold them back into the slim case for storage inside a workbench drawer.

No. of Taps Stored	Holds Tap Sizes	Lg.	Wd.	Ht.		Each



Steel	21	Three each of Nos. 6, 10 Three each of 1/4", 5/16", 3/8", 7/16", 1/2"	6 3/16"	4 3/8"	1 3/8"	2656A11	000000

For Taps and Drill Bits

These cases close for easy transport and are labeled with sizes for organizing tools. Taps and drill bits are not included.

Steel—Steel cases have stands that fold in and out. Stand them up when you need them, then fold them back into the slim case for storage inside a workbench drawer.

No. of Taps Stored	Holds Tap Sizes	No. of Drill Bits Stored	Holds Drill Bit Sizes	Lg.	Wd.	Ht.		Each



Steel	9	One each of Nos. 6-32, 8-32, 10-24, 10-32 One each of 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13	9	One each of Nos. 36, 29, 25, 21, 7 One each of 5/16", 27/64" One each of F, U	7"	4"	1 1/4"	2794A74	000000


Steel	9	One each of Nos. 6-40, 8-36, 10-24, 10-32 One each of 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20	9	One each of Nos. 33, 29, 25, 21, 3 One each of 25/64", 29/64" One each of I, Q	7"	4"	1 1/4"	2794A75	00000
Steel	9	One each of M2.5 × 0.45, M3 × 0.5, M3.5 × 0.6, M4 × 0.7, M5 × 0.8, M6 × 1, M8 × 1.25, M10 × 1.5, M12 × 1.75	9	One each of 2.05, 2.5, 2.9, 3.3, 4.2, 5, 6.7, 8.5, 10.2 mm	7"	4"	1 1/4"	2794A77	00000

Quick-Change Combination Countersinking Drill/Screwdriver Bit Sets

Fasten differently sized screws with these sets. They save you the effort of switching three separate bits in and out of a power tool, instead letting you flip between a countersinking drill and a screwdriver bit with a single hand. You can also attach your own countersinking drills and screwdriver bits as long as they have a _1/4” hex shank.

Countersinking drills have an 82° angle, allowing inch-sized flat- and oval-head screws to sit flush with the surface.

	Drill/Screwdriver Bits									Replacement 3/32" Drill Bits		Replacement 7/64" Drill Bits
	No. of Pieces	Includes	Countersink Angle	Countersink Body Dia.	No. of Countersink Flutes	Adapter Hex Shank Size	For Use On		Each		Each		Each
Black-Oxide High-Speed Steel Countersink



		11	1 Drill-Bit Countersink for 3/32" Drill Bit 1 Drill-Bit Countersink for 7/64" Drill Bit 1 Drill Bit (3/32" Drill Bit Size) 2 Drill Bits (7/64" Drill Bit Size) 1 Phillips No. 1 Screwdriver Bit (1" O'all Lg.) 2 Phillips No. 2 Screwdriver Bits (1" O'all Lg.) 1 Reversible Shaft 1 Adapter 1 Hex L-Key	82°	3/8"	4	5/16"	Aluminum, Fiberglass, Plastic, Wood	3470N11	000000	3471N14	00000	3471N15	00000

Drill Chuck Holders for Quick-Change Lathe Tool Posts

Shown with Drill Bit (Sold

Separately)

A built-in drill chuck allows quick installation of drill bits, taps, and other round- or hex-shank tools into a quick-change tool post. A shoulder screw allows for quick and accurate tool height changes without the need for shimming. Posts and holders (sold separately) are interchangeable with systems from Aloris, Dorian, and Armstrong.

Lathe Post Tool Holders										Replacement Shoulder Screws
					Chuck Key
For Tool Post Series	For Lathe Swing	For Bit Shank Size	Centerline Ht.	Overall Ht.	No.	Material	Included		Each		Each



	AXA	0" to 10"	0" to 0.5"	2"	3 1/4"	K3	Steel	Yes	31805A455	0000000	31805A405	000000


	BXA	12" to 15"	0" to 0.5"	2"	3 1/2"	K3	Steel	Yes	31805A502	000000	31805A412	00000
	CXA	13" to 18"	0" to 0.5"	2 9/16"	3 1/2"	K3	Steel	Yes	31805A507	000000	31805A435	00000
	CA	14" to 20"	3/16" to 0.75"	2 9/16"	4 1/2"	K4	Steel	Yes	31805A534	000000	31805A444	00000

Drill Bit Drawer Cabinets

Store multiple bits of each size. These cabinets have drawers marked with the sizes and decimal equivalents. They can be stacked up to three high.

			For Drill Bit		Overall
	No. of Compartments	No. of Drawers	Size, mm	Lg. Class	Lg.	Wd.	Ht.	Material	Features	Includes		Each
For Inch Drill Bits



		29	3	1/16" to 1/2" (Increments of 1/64")	Jobbers	14 5/8"	7 3/8"	7 3/4"	Steel	—	—	2962A1	0000000


		For Wire Gauge Drill Bits



				60	5	60 Ga. to 1 Ga.	Jobbers	14 5/8"	7 3/8"	7 3/4"	Steel	—	—	2962A2	000000


				84	5	80 Ga. to 1 Ga.	Jobbers	14 5/8"	7 3/8"	7 3/4"	Steel	—	—	2962A8	000000


				For Letter Size Drill Bits



						28	3	A to Z	Jobbers	14 5/8"	7 3/8"	7 3/4"	Steel	—	—	2962A3	000000


						For Metric Drill Bits



								29	3	1.0 mm to 13.0 mm (Increments of 0.5 mm)	Jobbers	14 5/8"	7 3/8"	7 3/4"	Steel	—	—	2962A4	000000


								60	5	1.0 mm to 6.9 mm (Increments of 0.1 mm)	Jobbers	14 5/8"	7 3/8"	7 3/4"	Steel	—	—	2962A5	000000
								138	4	0.35 mm to 2.5 mm (Increments of 0.05 mm) 2.6 mm to 10.0 mm (Increments of 0.1 mm) 10.2 10.5 10.8 11.0 11.2 11.5 11.8 12.0 12.2 12.5 13.0	Jobbers, Short	26"	12"	12 1/2"	Steel	Built-In Lock, Undivided bottom drawer for general storage	Two Keys	8922A44	000000


								For Inch, Wire Gauge, Letter Size Drill Bits



										159	4	1/16" to 1/2" (Increments of 1/64") 60 Ga. to 1 Ga. A to Z	Jobbers	26"	12"	12 1/2"	Steel	Built-In Lock, Undivided bottom drawer for general storage	Two Keys	8922A31	000000

Bur Containers

Store and organize your burs with these containers. You can also use them to create a custom set from our offering of burs.

Fabric Pouch

Take burs on the go. These pouches roll up and fit in your pocket, so you can transport your burs without a bulky case.

For No. of Burs	For Shank Dia.	For Overall Lg.		Each
4	1/4"	2 1/4" to 3"	9880N22	000000
6	1/4"	2 1/4" to 3"	9880N23	00000

Plastic Case

Quickly ensure your burs are put away at the end of the day. These cases have a transparent cover, so you can see if any burs are missing without needing to remove it.

For No. of Burs	For Shank Dia.	For Overall Lg.		Each
5	1/4"	1 1/2" to 3"	9880N24	000000

Wood Box

Our most durable containers to store your burs. These wood boxes resist cracking and breaking better than plastic ones.

For No. of Burs	For Shank Dia.	For Overall Lg.		Each
5	1/8"	1 1/2" to 2"	9880N12	000000
5	1/4"	1 1/2" to 2"	9880N11	00000
8	1/8"	1 1/2" to 1 7/8"	9880N13	00000
8	1/4"	1 1/2" to 3"	9880N21	00000
12	1/8"	1 1/2"	9880N15	00000
12	1/4"	1 1/2" to 3"	9880N14	00000
16	1/8"	1 1/2" to 3"	9880N19	00000
16	1/4"	1 1/2" to 3"	9880N16	00000

Reduced-Shank Drill Bit Stands

Each hole is sized to hold the _1/2" shank of a reduced-shank drill bit and marked with a bit size.

For Drill Bits

		For Drill Bit		Overall
	Material	No. of	Size	Lg.	Wd.	Ht.		Each
For Inch Drill Bits







				1/2" Drill Bit Shank Size

				Steel	33	1/2" to 1" (Increments of 1/64")	13"	5"	2 3/4"	2793A27	000000

Tap and Drill Bit Stands

For Drill Bits

These stands hold one of each bit size. Each hole is marked with the size.

		For Drill Bit		Overall
	Material	No. of	Size	Lg.	Wd.	Ht.		Each
For Inch Drill Bits







				For Jobbers' Length, Short Length, Extended Length

				Steel	29	1/16" to 1/2" (Increments of 1/64")	5 5/8"	2 5/8"	1 1/2"	2793A12	000000


				Steel	33	1/2" to 1" (Increments of 1/64")	13"	5"	2 3/4"	2793A24	00000


				For Letter Size Drill Bits







								For Jobbers' Length, Short Length, Extended Length

								Steel	26	A to Z	5 5/8"	2 5/8"	1 1/2"	2793A18	00000

For Taps and Drill Bits

Keep taps and drill bits organized. All holes are labeled with sizes. Taps and drill bits are not included.

No. of Taps Stored	Holds Tap Sizes	No. of Drill Bits Stored	Holds Drill Bit Sizes	Lg.	Wd.	Ht.		Each



Plastic	16	One each of M2, M3 Two each of M4, M5, M6, M8, M10, M12, M14	25	Two each of 3.3 mm, 4.5 mm, 12 mm One each of 1.8 mm, 2.4 mm, 2.5 mm, 3.4 mm, 4.2 mm, 5 mm, 5.25 mm, 5.5 mm, 6.6 mm, 6.8 mm 7 mm, 8.5 mm, 8.8 mm, 9 mm, 10.2 mm, 10.8 mm, 12.5 mm, 14 mm, 16 mm	7"	4 1/2"	1 11/16"	2972A41	000000


Plastic	26	Two each of Nos. 2, 3, 4, 5, 6, 8, 10, 12 Two each of 1/4", 5/16", 3/8", 7/16", 1/2"	39	Two each of 50 ga., 33 ga., 29 ga. One each of 47 ga., 45 ga., 44 ga., 43 ga., 42 ga., 39 ga. 38 ga., 37 ga., 36 ga., 30 ga., 28 ga., 25 ga., 21 ga., 19 ga., 16 ga., 14 ga., 11 ga., 7 ga., 3 ga. One each of F, I, Q, U Two of 5/16" One each of 7/32", 1/4", 3/8", 25/64", 27/64", 7/16", 29/64", 1/2"	7 3/8"	4 11/16"	1 11/16"	2972A11	00000

End Mill Storage Cabinets

Organize and store multiple end mills of each size. These cabinets have drawers marked with end mill size for easy identification. They are stackable.

			Overall
For End Mill Dia.	No. of Compartments	No. of Drawers	Lg.	Wd.	Ht.	Material	Color		Each



	9/16", 11/16", 7/8" (1 Each) 3/16", 5/16", 7/16", 5/8", 1" (2 Each) 1/8", 1/4", 3/8", 3/4" (3 Each) 1/2" (4 Each)	29	3	14 5/8"	7 3/8"	7 3/4"	Epoxy-Coated Steel	Gray	28345A17	0000000

Machine Tool Workbench Drawers

Mount this drawer underneath a workbench or shelf and store multiple drill bits of each size. The compartments are marked with the bit size and decimal equivalent.

			For Drill Bit		Overall
	No. of Compartments	No. of Drawers	Size	Lg. Class	Lg.	Wd.	Ht.	Material	Features	Includes	Mounting Hole Dia. (No. of)	Mounting Fasteners Included		Each
For Inch Drill Bits



		42	1	1/16" to 1/2" (Increments of 1/64")	Jobbers, Short	24 1/4"	12 1/2"	4 1/2"	Steel	Built-In Lock	Two Keys	1/4" (4)	No	2786A11	0000000

Magnetic Pouches for Drills

This pouch fits onto most hand-held power drills and impact drivers. It has a magnetic panel on the front that can hold bits and fasteners for easy access.

			Pocket
	Wd.	Ht.	Wd.	Ht.	No. of Compartments	Material	Closure Method	Color	Includes		Each
For Inch, Metric, Letter Size, Wire Gauge Drill Bits



		4"	3"	3 3/4" to 4"	3 1/4" to 3 1/2"	1	Nylon Fabric	Zipper	Black	Adhesive-Back Hook and Loop	2658N11	000000

Under-Table Drill Bit Workbench Drawers

Mount this drawer underneath a workbench or shelf and store your drill bits in the undivided drawer.

				Overall						Mounting Holes
	No. of Compartments	No. of Drawers	For Lg. Class	Lg.	Wd.	Ht.	Material	Features	Includes	Dia.	No. of	Mounting Fasteners Included		Each
For Inch, Wire Gauge, Letter Size, Metric Drill Bits



		1	1	Jobbers, Short	24 1/4"	12 1/2"	4 1/2"	Steel	Built-In Lock	Two Keys	1/4"	4	No	2786A14	0000000

Reduced-Shank Drill Bit Drawer Cabinets

Store two bits of each size. These cabinets have drawers marked with the bit sizes. They can be stacked up to three high.

			For Drill Bit		Overall
	No. of Compartments	No. of Drawers	Size	Shank Size	Lg.	Wd.	Ht.	Material		Each
For Inch Drill Bits



		23	3	1", 1 1/32", 1 1/16", 1 1/8", 1 5/32", 1 3/16", 1 1/4", 1 5/16", 1 3/8", 1 7/16", 1 1/2"	1/2"	14 5/8"	7 3/8"	7 3/4"	Steel	2755A32	0000000


		60	5	33/64" to 63/64" (Increments of 1/64")	1/2"	14 5/8"	7 3/8"	7 3/4"	Steel	2755A31	000000

Drill Bit Pouches


For 7 Drill Bits	For 15 Drill Bits

Attach these pouches to your belt to easily access drill bits while working.

	For Drill Bit					Pocket
	No. of	Size	Lg. Class	Wd.	Ht.	Wd.	Ht.	No. of Compartments	Material	Closure Method	Color	Includes		Each
For Inch Drill Bits



		7	1/16" to 1/4"	Jobbers	3 1/4"	4 3/4"	1/2" to 3/4"	2 1/4" to 2 3/4"	7	Canvas	Hook and Loop	Black	Plastic Clip	2623N1	000000


		7	1/8" to 1/2"	Jobbers	3 3/4"	6 1/2"	3/4" to 1"	2 1/2" to 2 3/4"	7	Canvas	Hook and Loop	Black	Plastic Clip	2623N2	00000
		15	1/16" to 1/2"	Jobbers	5 1/4"	7 1/4"	1/2" to 1 1/2"	1 3/4" to 5 1/2"	15	Canvas	Hook and Loop	Black	Plastic Clip	2623N3	00000

Tap and Drill Bit Cabinets

Drawers and labeled compartments provide space for keeping tools organized. Taps and drill bits are not included.

	Holds Drill Bit Sizes	No. of Compartments	No. of Drawers	Lg.	Wd.	Ht.	Material	Includes		Each
For Taps



	Multiples of 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4", 7/8", 1"	—	26	3	14 5/8"	7 3/8"	7 3/4"	Steel	—	2543A46	0000000


	Multiples of M3, M4, M5, M6, M6.3, M7, M8, M9, M10, M11, M12, M14, M16, M18, M20, M24	—	29	3	14 5/8"	7 3/8"	7 3/4"	Steel	—	2543A49	000000
	Multiples of Nos. 2-56, 3-48, 3-56, 4-40, 4-48, 5-40, 5-44, 6-32, 6-40, 8-32, 8-36, 10-24, 10-32, 12-24, 12-28	—	60	5	14 5/8"	7 3/8"	7 3/4"	Steel	—	2543A48	000000
	Multiples of Nos. 2, 3, 4, 5, 6, 8, 10, 12; Multiples of 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 7/8", 1", 1 1/8", 1 1/4", 1 3/8", 1 1/2"; Multiples of M2.5, M3, M4, M4.5, M5, M6. M6.3, M7, M8, M9, M10, M11, M12, M14, M16, M18, M20, M24, M30	—	152	4	26"	12"	12 1/2"	Steel	Lock, Two Keys	2551A72	000000


	For Taps and Drill Bits



			Multiples of Nos. 6, 8, 10; Multiples of 1/4", 5/16", 3/8", 7/16", 1/2"	Multiples of Nos. 36, 29, 25, 21, 7, 3; Multiples of F, I, U, Q; Multiples of 5/16", 25/64", 27/64", 29/64"	29	3	14 5/8"	7 3/8"	7 3/4"	Steel	—	25475A71	000000


			For Pipe Taps



					Multiples of 1/16, 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2 Pipe	—	21	3	14 5/8"	7 3/8"	7 3/4"	Steel	—	2543A51	000000