0.6240" 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"

Reamer Fractional Size

5/8" Undersized

For Use On

Stainless Steel

Flute Type

Shank Type

Reamer Size Designation

Undersized Fractional

Sold As

Reamer Type

Length

Material

High-Speed Steel

Reamer Operation

Flute Length

Overall Length

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Number of Flutes

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1 Product

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.

Undersized Fractional—Undersized reamers are smaller than the fraction by 0.001" in diameter to create a tighter fit than standard sizes. They're typically used to press-fit a pin, bearing, or other object into a hole.

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

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







				Undersized Fractional Inch

				0.6240" (5/8" Undersized)	High-Speed Steel	2 1/4"	9"	8	0" to 0.0003"	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000
				High-Speed Steel Round-Shank Reamer, Undersized, Straight Flute, 0.6240" Reamer Diameter Product Detail QuantityEachDelivers tomorrow 7-9 am Solidworks 2022 and Parasolid files now available. Parasolid files now available.

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