10 3/4" Long Drill Bits | McMaster-Carr

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

					Shank
	Drill Bit Size	Decimal Size Equiv.	Overall Lg.	Max. Drilling Dp.	Type	Size	Drill Bit Point Type		Each
Jobbers' Length





				Black Oxide
				51/64"	0.7969"	10 3/4"	4.93"	Morse Taper	Morse 3	Standard	2929A414	000000
				13/16"	0.8125"	10 3/4"	4.9"	Morse Taper	Morse 3	Standard	2929A415	00000
				53/64"	0.8281"	10 3/4"	4.88"	Morse Taper	Morse 3	Standard	2929A416	00000
				27/32"	0.8438"	10 3/4"	4.85"	Morse Taper	Morse 3	Standard	2929A422	000000
				55/64"	0.8594"	10 3/4"	4.83"	Morse Taper	Morse 3	Standard	2929A423	000000
				7/8"	0.875"	10 3/4"	4.81"	Morse Taper	Morse 3	Standard	2929A424	000000
				29/32"	0.9063"	10 3/4"	4.76"	Morse Taper	Morse 3	Standard	2929A426	000000
				59/64"	0.9219"	10 3/4"	4.74"	Morse Taper	Morse 3	Standard	2929A427	000000
				15/16"	0.9375"	10 3/4"	4.71"	Morse Taper	Morse 3	Standard	2929A433	000000

Cobalt Steel Drill Bits

Jobbers' Length

Morse Taper Shank

Split

Tough and wear resistant, cobalt steel bits last at least twice as long as high-speed steel. They can also run up to 25% faster at higher temperatures without being damaged on hard materials, such as nickel.

Jobbers' Length—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.

Uncoated—Polished to eject chips, these are also known as bright finish bits.

					Shank
	Drill Bit Size	Decimal Size Equiv.	Overall Lg.	Max. Drilling Dp.	Type	Size	Drill Bit Point Type		Each
Jobbers' Length





				Titanium Nitride (TiN) Coated
				7/8"	0.875"	10 3/4"	6.13"	Morse Taper	Morse 3	Split	3068A313	0000000



						Uncoated
						13/16"	0.8125"	10 3/4"	6.13"	Morse Taper	Morse 3	Split	3068A31	000000
						7/8"	0.875"	10 3/4"	6.13"	Morse Taper	Morse 3	Split	3068A32	000000
						15/16"	0.9375"	10 3/4"	6.13"	Morse Taper	Morse 3	Split	3068A33	000000

Carbide-Insert Drill Bits

Shown with Carbide Inserts

(Sold Separately)

When you need to drill dozens or even hundreds of holes, use a bit with replaceable carbide inserts. Once the cutting edges wear down, just change the inserts instead of sharpening or throwing the bit away. The holes in the bit channel coolant through the tool for more efficient chip evacuation. Also known as indexable drill bits.

Each drill bit requires two inserts—one on the inner cutting edge and one on the outer cutting edge. Replacement inserts are sold separately.

Drill Bits											Drill Bit Inserts			Replacement Insert Screws
				Shank			For Insert
Drill Bit Size	Decimal Size Equiv.	Overall Lg.	Max. Drilling Dp.	Type	Size	Drill Bit Point Type	Inner Inscribed Circle Dia.	Outer Inscribed Circle Dia.		Each	Pkg. Qty.		Pkg.		Each


	1 3/8"	1.375"	10 3/4"	6.88"	Round	1 1/2"	Carbide Insert	0.402"	0.419"	2769N32	000000000	10	2776N544	0000000	2780N15	00000

Carbide-Tipped Drill Bits for Masonry and Concrete

Crush rather than cut material so bits don’t jam or overheat while drilling masonry and concrete. The ultra-hard carbide tip breaks masonry into pieces and the widely spaced flutes channel them out of the hole. These bits stay sharp, resisting wear and heat that will dull or break other bits.

SDS-Plus Shank for Hammer and Rotary Drilling


	SDS-Plus Shank

The slotted shank fits SDS-Plus-drive rotary hammers, which rotate and hammer bits simultaneously to penetrate material. Also known as percussion or impact bits.

	Max. Drilling Dp.	Specs. Met		Each
Uncoated





	Standard Point
	1"	1"	10 3/4"	8"	ANSI B212.15	8948A84	000000

Drill Bit Shank Adapters for Rotary Hammers

For Spline-Shank Drill

Bits and SDS Max Shanks

Adapt your rotary hammer to fit a variety of masonry drill bit shank types.

For Drill Bit Shank Type	Shank Type	Overall Lg.	Material		Each
Spline	SDS Max	10 3/4"	Steel	89385A34	0000000

DeWalt Angled-Head Electric Drills

Get a better angle when drilling into hard-to-reach spaces.

Keyed Chuck—Drills with keyed chuck can be tightened with the included key.

	Max. No-Load Rotational Speed, rpm	Head Angle	Head Ht.	Chuck Type	Chuck Key Included	Current, amp	Gear Housing Material	Overall Lg.	Wt., lb.	Mfr. Model No.	Certification	Features		Each
Straight Grip


	1/2"	1,300	90°	6 1/8"	Keyed	Yes	11	Metal	10 3/4"	16.4	DWD450	UL Listed	Adjustable Top Handle Two-Position Side Handle	28135A91	0000000