7 Piece Drill Bit Set | McMaster-Carr

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Viking Norseman Drill

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1 each of sizes 5/32", 3/16", 7/32", 1/4", and 5/16"

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25 Products

High-Speed Steel Drill Bit Sets for Plastic

The precision-ground, 60° point penetrates gradually to prevent cracking and chipping. It also reduces heat that can deform the material. Use these bits for drilling into acrylic, laminate, and other plastics. They're made of wear-resistant high-speed steel.

	Drill Bit Sizes Included	Point Angle	Drill Bit Point Type	Container Type	Mfr.		Each
Uncoated



	7	1/8"-1/2" (increments of 1/16")	60°	Standard	Metal Case	Viking Norseman Drill	27465A94	000000

Quick-Change Hex Shank Drill Tap Sets for Drills and Screwdrivers


Fabric Pouch	Plastic Case

Drill and tap holes in a range of diameters. With a drill bit point to drive into the workpiece, the taps in these sets can drill and tap holes in a single step. They also save you time when changing from tool to tool. The grooved shank snaps directly to drills, power screwdrivers, and other tools that accept a _1/4" hex shank. However, these taps aren’t rated for impact drivers. They’re made of high-speed steel and are for use on most metal and plastic.

Recommended for use in through holes, these taps have a plug chamfer with 3-5 chamfered cutting threads, so they’re suitable for start-to-finish tapping.

Spiral Flute—Taps with spiral flutes keep chips clear by drawing them back toward the tap and out of the hole.

	Chamfer Type	Tap Sizes Included	Flute Type	No. of Flutes	Drill Bit Sizes Included	Container Type	Includes	Mfr.		Each
Uncoated High-Speed Steel



	7	Plug	6-32 8-32 10-24 1/4"-20 5/16"-18 3/8"-16	Spiral	2	36 ga. 29 ga. 25 ga. 7 ga. F 5/16"	Fabric Pouch	Chuck	GWS	3464A31	0000000


	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	Spiral	2	3/32" 1/8" 11/64" 13/64" 17/64" 31/64"	Plastic Case	Chuck	Volkel	3464A32	000000


	Titanium Nitride (TiN)-Coated High-Speed Steel



			7	Plug	6-32 8-32 10-24 1/4"-20 5/16"-18 3/8"-16	Spiral	2	36 ga. 29 ga. 25 ga. 7 ga. F 5/16"	Fabric Pouch	Chuck	GWS	3464A33	000000

Quick-Change Hex High-Speed Steel Drill Bit Sets

Save time when you need to change bits frequently. The grooved shank snaps directly into power screwdrivers, impact drivers, and other tools that accept a _1/4"hex shank. High-speed steel bits are good for general purpose drilling in most metals.

Jobbers' Length About Jobbers' Length


	Split

These bits have the balance of rigidity and length needed for most applications.

Titanium Nitride (TiN) Coated—Drill at higher speeds and last longer than uncoated and oxide-coated bits, especially on tough materials like hardened steel and nickel.

	No. of Pieces	Drill Bit Sizes Included	System of Measurement	Drill Bit Point Style	Mfr.		Each
Titanium Nitride (TiN) Coated



	1/4"	7	1 each of sizes 5/32", 3/16", 7/32", 1/4", and 5/16", 2 of size 1/8"	Inch	Split Point	DeWalt	29305A61	000000

Smooth-Finish Drill Bit Sets for Wood

Multiple teeth cut away large amounts of material to bore clean, flat-bottom holes in wood. The center guide point keeps the bit stable and centered for drilling straight, angled, and overlapping holes, like those used create joints. Also known as Forstner bits.

	Drill Bit Sizes Included	Drill Bit Point Type	Shank Type	Container Type	Mfr.		Each
Uncoated



	7	1/4"-1" (increments of 1/8")	Standard	Round	Wood Case	Alfa USA	3216A41	0000000

High-Torque Bit Sets

Heat treated for hardness, the bits in these sets won't crack or deform under high torque. They are manufactured to tight tolerances to prevent slipping.

Hex Shank—Also known as insert bits, these snap into hand tools. If you want to use them with power tools, attach a bit adapter (not included).

Wear-Resistant Diamond-Coated Steel—Diamond particles embedded in the tip bite into the screw head for a strong grip. Our most wear-resistant bits, these maintain their grip and shape, even when driving screws into tough materials.

	Adapters Included	Material	Container Type		Each
For Hand Tools







	1/4" Hex Shank Size

	7	1 Adapter 6 Bits	Phillips: No. 1, No. 2 (1" O'all Lg.) Pozidriv®: No. 1, No. 2 (1" O'all Lg.) Slotted: 7/32", 1/4" (1" O'all Lg.)	2" Lg. Bit Adapter for Power Tools	Diamond-Coated Steel	Plastic Case	36285A66	000000

Combination Extractor/Drill Bit Sets

Drill and remove broken screws, bolts, and studs with a single tool. After drilling, insert the extractor and turn. The part will back out without damaging the threads around it.

		For Screw
	No. of Extractors Included	Thread Dia.	Size	Overall Lg.	Shank Dia.	Turns With	Material		Each
For Right-Hand Threads



		7	0.12" to 0.5"	No. 5, No. 6, No. 8, No. 10, 1/4", 5/16", 3/8", 1/2", M3, M3.12, M3.5, M4, M5, M6, M8, M10, M12	1 1/8", 1 1/4", 1 3/8"	0.103", 0.136", 0.172", 0.177", 0.216", 0.275"	Power Drill	Steel	53405A39	000000

Depth-Limiting Drill Stop Sets

Image of ProductInUse. Front orientation. Drill Stops.

Ensure identical hole depths every time. Position the collar on your bit and tighten the set screw.

No. of Pieces	For Drill Bit Size	Hex Key Size for Set Screw	Material		Each
7	1/8" 3/16" 1/4", 5/16" 3/8", 7/16", 1/2"	1/16" 5/64" 3/32" 1/8"	Steel	8959A16	00000

Drill-Bit Countersink Sets for Wood and Plastic

Image of Product. Front orientation. Countersinks. Sold as Sets, For Wood, Drill-Bit Countersink, Straight Flute, For Cutting Screw Holes, 1 Countersinking End.

These countersinks attach at various points along the drill bit, so one tool will drill countersunk holes for screws of different lengths. They're designed to cut a smooth and even finish in wood and plastic on the first pass.

High-Speed Steel—These wear-resistant countersinks cut faster and last longer than carbon steel countersinks, so they’re often used for high-volume jobs. You can also use them on harder materials, such as steel and stainless steel.

Carbon Steel—Stronger than high-speed steel, so it will cut through harder materials. However, high-speed steel is more precise, lasts longer, and cuts at higher speeds.

						82° Countersink Angle
	No. of Flutes	For Drill Bit Size (Body Dia.)	No. of Pieces	Finish	Container Type	Mfr.		Each
High-Speed Steel



		4	1/8" (3/8"), 9/64" (3/8"), 5/32" (3/8"), 11/64" (3/8"), 3/16" (3/8"), 13/64" (7/16"), 7/32" (1/2")	7	Uncoated	Wood Stand	W. L. Fuller	2910A41	0000000


		Carbon Steel



				4	1/8" (3/8"), 9/64" (3/8"), 5/32" (3/8"), 11/64" (3/8"), 3/16" (3/8"), 13/64" (7/16"), 7/32" (1/2")	7	Uncoated	Wood Stand	W. L. Fuller	2785A46	00000

Torx Bit Sets

Hex Shank

Get a grip with less slip. The bits in these sets have a six-lobe shape that grips fasteners so they won't slip and damage the drive. Also known as star bits.

Hex Shank—Also known as insert bits, these snap into hand tools. If you want to use them with power tools, attach a bit adapter (not included).

Steel—Best for dry environments, since moisture will cause these bits to rust.

	Material	Container Type		Each
For Hand Tools







	1/4" Hex Shank Size

	7	7 Bits	Torx: T10, T15, T20, T25, T30, T40 (1" O'all Lg.)	Steel	Plastic Caddy	7013A52	000000

Countersink Sets for Screws

Cut cone-shaped recesses for screws of various diameters so the screw head sit flush with the surface. Choose an 82° countersink angle for inch screws or a 90° countersink angle for metric screws.

High-Speed Steel—These versatile, wear-resistant countersinks cut cleanly in most materials, including plastic, aluminum, and steel.

Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these can last 50% longer than uncoated countersinks.

Number of Flutes—Countersinks with fewer flutes are best for aggressive cutting. They leave more room for chips to clear, reducing friction and heat. Countersinks with more flutes spread the cut across more edges for better stability, a smoother finish, and longer tool life.

								82° Countersink Angle		90° Countersink Angle
	No. of Flutes	Body Dia. Included	No. of Pieces	Finish	Shank Type	Container Type	Mfr.		Each		Each
High-Speed Steel



		6	1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1"	7	Black Oxide	Round	Plastic Case	Keo	3098A61	0000000	3098A63	0000000

Impact Square Drive Size Adapter Sets

Convert from one square drive size to another. The female side of the adapter attaches to your wrench; the male side to your socket. These adapters are made to withstand the high torque and force of impact tools.

Square Drive Size Adapters and Flex Adapters

Image of Product. Front orientation. Socket Adapters. Impact Square Drive Size Adapter Sets, Flex Socket Adapter.

Flex adapters pivot to access fasteners from an angle.

	Includes	Material		Each
1/4", 3/8", 1/2", 3/4" Female Square Drive



	7	3/8" Female × 1/2" Male Square Drive Size Adapter 1/2" Female × 3/4" Male Square Drive Size Adapter 1/2" Female × 3/8" Male Square Drive Size Adapter 3/4" Female × 1/2" Male Square Drive Size Adapter 1/4" Female × 1/4" Male Flex Adapter 3/8" Female × 3/8" Male Flex Adapter 1/2" Female × 1/2" Male Flex Adapter	Black-Oxide Steel	55805A12	0000000

Reamer Sets

Keep a variety of reamer sizes on hand for finishing holes.

Adjustable Size, Square Shank

Work on a wide range of hole diameters by keeping a set of adjustable reamers on hand. Each reamer can finish multiple hole sizes by moving the adjustable blades within the diameter range. Convenient for maintenance work, these don't require powered tools. They're often used to make precise size adjustments during installation of bearings and bushings.

Move the blades by tightening and loosening the two nuts on the reamer. To measure size, adjust blades to a known size (such as a bushing or ring), or measure across two opposite blades with a micrometer. When the blades become worn, they can be reground or replaced.

Turn these reamers by hand with an adjustable wrench or straight-handle tap wrench (sold separately).

Straight Blade—Use these reamers in straight holes that don't have a keyway or other breaks in the surface.

High-Speed Steel—Durable and wear resistant, these are good for general purpose reaming in most materials.

	Container Type	For Use On	Mfr.		Each
Straight Blade







	Inch

	1/4"-15/32"	7	High-Speed Steel	Wood Case	Aluminum, Brass, Bronze, Fiberglass, Iron, Plastic, Steel, Titanium	Chadwick & Trefethen	3141A79	000000000

Reamer Sets for Taper-Pin Holes

Used for shaping holes to match the profile of taper pins, these sets include a variety of reamer sizes. Drill a hole that matches the size of the small end of the taper pin you want to install, and then ream to taper and finish the hole.

Square Shank

Turn these reamers by hand with an adjustable wrench, straight-handle tap wrench, or pin vise (sold separately).

Straight Flute—The most common flute style, these reamers are suitable for a wide range of applications, but not recommended for holes with a keyway or other breaks in the surface.

Spiral Flute—Since these reamers clear chips better than straight flutes, they leave holes with a smoother finish. They're better for holes with breaks in the surface, such as a keyway, because they cut continuously across the breaks instead of moving in and out.

High-Speed Steel—Durable and wear resistant, these are good for general purpose reaming in most materials.

Left-Hand Spiral—These reamers push chips downward as they cut, so they're often used in through holes.

	Spiral Direction	Rate of Taper	Container Type	For Use On	Mfr.		Each
Straight Flute







	Inch

	7/0-0	7	High-Speed Steel	—	1:48	Plastic Case	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	ICS	2990A67	0000000


	Spiral Flute







					Inch

					7/0-0	7	High-Speed Steel	Left Hand	1:48	Plastic Case	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	ICS	2990A69	000000

Countersink Sets for Lathe Centers

Cut holes for a range of lathe-center diameters. The 60° angle creates a precise recess for both rotating and stationary lathe centers, keeping your workpiece aligned as it spins.

High-Speed Steel—These versatile, wear-resistant countersinks cut cleanly in most materials, including plastic, aluminum, and steel.

Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these can last 50% longer than uncoated countersinks.

							60° Countersink Angle
	No. of Flutes	Body Dia. Included	No. of Pieces	Finish	Shank Type	Container Type	Mfr.		Each
High-Speed Steel



		6	1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1"	7	Black Oxide	Round	Plastic Case	Keo	3098A62	0000000

Drill-Point Countersink Sets for Screws

Save time by drilling and countersinking your pilot hole in one pass for a range of screw sizes. These countersinks have a small drill point to drill new pilot holes topped with cone-shaped recesses for screw heads.

High-Speed Steel—These versatile, wear-resistant countersinks cut cleanly in most materials, including plastic, aluminum, and steel.

							90° Countersink Angle
	No. of Flutes	No. of Pieces	For Screw Size	Finish	Shank Type	Container Type	Mfr.		Each
High-Speed Steel



		2	7	M3, M4, M5, M6, M8, M10, M12	Uncoated	Round	Plastic Case	Link Industries	28145A62	0000000

External-Grip Extractors for Power Tools

Use a power tool to quickly extract a fastener without damaging the surrounding threads. These extractors grip both right-hand and left-hand threads, so one set handles standard and reverse-threaded fasteners. With seven pieces covering a range of fastener sizes, this set reduces the need for separate tools. Steel construction resists deformation under the high torque of power drills.

	For OD	Overall Lg.	Hex Shank Size	Turns With	Material		Each
For Right-Hand and Left-Hand Threads



	7	3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 8 mm, 10 mm, 11 mm	2 5/8"	1/4"	Power Drill, Powered Screwdriver	Steel	6792A15	000000

Countersink Sets for Rivets

Cut cone-shaped recesses for rivets of various diameters so the head sits flush with the surface.

High-Speed Steel—These versatile, wear-resistant countersinks cut cleanly in most materials, including plastic, aluminum, and steel.

Cobalt Steel—Tough and wear resistant, these countersinks last at least twice as long as high-speed steel. They can also run up to 25% faster at higher temperatures without chipping on hard materials, such as nickel.

Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these can last 50% longer than uncoated countersinks.

								100° Countersink Angle		120° Countersink Angle
	No. of Flutes	Body Dia. Included	No. of Pieces	Finish	Shank Type	Container Type	Mfr.		Each		Each
High-Speed Steel



		6	1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1"	7	Black Oxide	Round	Plastic Case	Keo	3098A64	0000000	3098A66	0000000


		Cobalt Steel



				6	1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 1"	7	Uncoated	Round	Plastic Case	Keo	11187N13	000000	11187N16	000000