0.4380" Reamers | McMaster-Carr

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System of Measurement

Reamer Diameter

0.2500" to 0.2813"

0.2813" to 0.3125"

0.3125" to 0.3438"

0.3438" to 0.3750"

0.3750" to 0.4063"

0.4063" to 0.4375"

0.4219" to 0.4531"

0.4219" to 0.4688"

0.4375" to 0.4688"

0.4375" to 0.5000"

0.4688" to 0.5313"

0.5000" to 0.5625"

0.5313" to 0.5938"

0.5625" to 0.6250"

0.5938" to 0.6563"

0.6250" to 0.6875"

0.6563" to 0.7188"

0.6875" to 0.7500"

0.7188" to 0.7813"

0.7500" to 0.8125"

0.7813" to 0.8438"

0.8125" to 0.8750"

0.8438" to 0.9375"

0.8750" to 1.0000"

0.8750" to 1.1250"

0.9375" to 1.0625"

1.0000" to 1.1250"

1.0625" to 1.1875"

1.1250" to 1.2500"

1.1875" to 1.3438"

1.2500" to 1.4375"

1.3438" to 1.5313"

1.4375" to 1.6250"

1.5313" to 1.7813"

1.6250" to 1.8750"

1.7813" to 2.0938"

1.8750" to 2.1875"

2.0938" to 2.4688"

2.1875" to 2.5625"

2.5625" to 3.0000"

For Use On

Stainless Steel

Material

High-Speed Steel

Overall Length

Flute Type

Shank Type

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Flute Length

Length

Number of Flutes

REACH

RoHS

Sold As

Reamer Operation

Reamer Type

Reach Length

Shank Diameter

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2 Products

Reamers

Finish holes to precise inch, metric, wire gauge, or letter sizes with these reamers.

Round Shank

Straight Flute

These reamers fit in the chuck of drill presses, turret lathes, and other machine and power tools, making them the most common shank type.

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.

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

Carbide—For the highest level of accuracy when cutting hard materials, these are our hardest, strongest, and most wear-resistant reamers. They're used on materials such as iron, hardened steel, steel alloys, and plastic. Their hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent the reamer from breaking.

			Lg.
	Reamer Dia.	Material	Flute	Overall	No. of Flutes	Cutting Dia. Tolerance	For Use On		Each
Straight Flute







				Inch

				0.4380"	High-Speed Steel	1 3/4"	7"	6	0" to 0.0002"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	00000000	000000


				0.4380"	Carbide	1 7/16"	4"	6	0" to 0.0002"	Aluminum, Brass, Bronze, Fiberglass, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel, Hardened Steel	00000000	000000

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