11.2 mm Drill Bits | McMaster-Carr

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6 Products

About Tool Steel

About Drill Bits

Drill Bit Decimal Size Equivalents

Black Oxide

Black and Gold Oxide

Standard

Split

These jobbers'-length bits have the rigidity and length required for most applications.

Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.

Drill bits with a split point keep centered without a pilot hole.

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

				Shank					Each
Drill Bit Size	Decimal Size Equivalent	Overall Lg.	Max. Drilling Dp.	Type	Size	Point Style	Specifications Met	For Use On		Each
Metric
Black-Oxide High-Speed Steel
11.2 mm	0.4409"	142mm	71.6mm	Round	11.2mm	Standard	DIN 338	Steel, Iron, Stainless Steel	00000000	000000
Black-and-Gold Oxide High-Speed Steel
11.2 mm	0.4409"	143mm	106.4mm	Round	11.2mm	Split	NAS907 Type B	Steel, Iron, Stainless Steel	000000000	00000

Cobalt Steel Drill Bits

Uncoated

These jobbers'-length bits have the rigidity and length required for most applications. Made of cobalt steel, which has better heat and wear resistance than high-speed steel, they can run up to 25% faster and have a longer tool life.

Drill bits with a split point keep centered without a pilot hole.

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

				Shank					Each
Drill Bit Size	Decimal Size Equivalent	Overall Lg.	Max. Drilling Dp.	Type	Size	Point Style	Specifications Met	For Use On		Each
Metric
Uncoated Cobalt Steel
11.2 mm	0.4409"	142mm	94mm	Round	11.2mm	Split	DIN 338, NAS907 Type J	Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel	000000000	000000

Chip-Clearing Cobalt Steel Drill Bits

Uncoated

The parabolic spiral flutes lift chips out of the hole, reducing clogging and improving coolant flow. With better heat and wear resistance than high-speed steel, these cobalt steel bits can run up to 25% faster and have a longer tool life. All are jobbers’ length so they have the rigidity and length required for most applications. A split point keeps the bit centered without a pilot hole.

				Shank
Drill Bit Size	Decimal Size Equivalent	Overall Lg.	Max. Drilling Dp.	Type	Size	Point Style	Specifications Met	For Use On		Each
Metric—Parabolic Spiral Flute
Uncoated Cobalt Steel
11.2 mm	0.4409"	142mm	94mm	Round	11.2mm	Split	DIN 338	Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel	00000000	000000

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

Number of		For Drill Bit		Overall
Compartments	Drawers	Size	Lg. Class	Lg.	Wd.	Ht.	Includes	Material	Features		Each
For Metric Drill Bits
138	4	0.35-2.5 mm (increments of 0.05 mm) 2.6-10.0 mm (increments of 0.1 mm) 10.2 mm 10.5 mm 10.8 mm 11.0 mm 11.2 mm 11.5 mm 11.8 mm 12.0 mm 12.2 mm 12.5 mm 13.0 mm	Jobbers' Length, Short Length	26"	12"	12 1/2"	Two Keys	Steel	Built-In Lock, Undivided bottom drawer for general storage	0000000	0000000

Hardened Undersized High-Speed M2 Tool Steel Rods

Yield Strength: Not Rated
Hardness: Rockwell C60 (Very Hard)

These rods, also known as drill blanks, have an undersized diameter for machining your own jobbers'-length drill bits. They're hardened for increased abrasion and impact resistance. M2 tool steel offers a nice balance of wear resistance and machinability. It has a high molybdenum content, which allows it to maintain sharp cutting edges even at elevated temperatures.

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

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Dia.	Dia. Tolerance	Drill Bit Size	Lg.	Mechanical Finish	Straightness Tolerance		Each
11.2mm	-0.0050mm to 0.0000mm	11.2 mm	5 5/8"	Precision Ground	0.012" per ft.	00000000	000000