7.1mm Shank Size Drill Bits | McMaster-Carr

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System of Measurement

Drill Bit Size

Material

High-Speed Steel

For Use On

Stainless Steel

Length Class

Finish

Black/Gold Oxide

Shank Size

0.005" to 0.04"

0.008" to 1/16"

0.012" to 0.015"

0.012" to 5/32"

0.012" to 0.291"

0.014" to 0.039"

0.014" to 5/32"

0.02" to 0.291"

0.028" to 5/32"

0.031" to 0.25"

7/64" to 19/32"

0.2 mm to 1.5 mm

0.3 mm to 0.4 mm

0.3 mm to 6.5 mm

0.3 mm to 7.3 mm

0.3 mm to 7.4 mm

0.4 mm to 1.5 mm

0.4 mm to 6.5 mm

0.4 mm to 10 mm

0.5 mm to 6.5 mm

0.5 mm to 7.4 mm

0.5 mm to 10 mm

0.5 mm to 13 mm

0.5 mm to 16 mm

0.5 mm to 19 mm

0.6 mm to 7.3 mm

0.6 mm to 7.4 mm

0.7 mm to 6.5 mm

0.8 mm to 10 mm

1.1 mm to 13 mm

1.5 mm to 10 mm

1.5 mm to 13 mm

1.6 mm to 12.7 mm

1.6 mm to 13 mm

1.6 mm to 16 mm

2.5 mm to 10 mm

2.5 mm to 13 mm

2.5 mm to 16 mm

4.5 mm to 19 mm

5 mm to 20.3 mm

5.2 mm to 25.4 mm

6.4 mm to 9.5 mm

10 mm to 25.4 mm

Decimal Size Equivalent

Drill Bit Point Type

Point Angle

Length

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Flute Direction

Flute Type

Manufacturer

Viking Norseman Drill

Number of Flutes

REACH

RoHS

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

Sold As

Bit Style

Overall Length

Maximum Drilling Depth

Certification

Military Specification

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2 Products

About Drill Bits

Compare material, finish, length class, and decimal size equivalents.

Material

High-Speed Steel

High-Speed Steel

Versatile bits resist heat and wear to stay sharp

Cobalt Steel

Resist higher temperatures and last twice as long as high-speed steel

Performance

Chip Clearing

Prevent clogs and dissipate heat

High-Speed Steel Drill Bits


Jobbers' Length Round Shank	Split

Our basic drill bits are also the most versatile. Cut holes in a variety of metals, from the softest aluminum to the hardest steel.

Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.

Black/Gold Oxide—Like black oxide, this finish adds wear resistance and reduces friction for improved chip flow. Because it’s less prone to flaking off, it offers better rust protection when bits aren't in use.

					Shank					Each
	Drill Bit Size, mm	Decimal Size Equiv.	Overall Lg., mm	Max. Drilling Dp., mm	Type	Size	Drill Bit Point Type	Mfr.		1-9	10-Up
Jobbers' Length







				Black/Gold Oxide

				7.1	0.2795"	108	71.4	Round	7.1 mm	Split	Viking Norseman Drill	30565A295	00000	00000

Chip-Clearing Cobalt Steel Drill Bits


Jobbers' Length Parabolic Flute Round Shank	Split

Avoid clogs and dissipate heat with cobalt bits that last at least twice as long as high-speed steel. The flutes clear chips to improve coolant flow and prevent damage to the bit and the hole. They also speed up drilling since you don't have to stop to clear the bit manually.

Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.

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

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







				Uncoated

				7.1	0.2795"	109	67	Parabolic	Round	7.1	Split	Viking Norseman Drill	2771N769	000000

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)