21.5 mm Reamers | McMaster-Carr

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	System of Measurement System of Measurement

	Reamer Diameter Reamer Diameter	Show

	Reamer Diameter Reamer Diameter	Hide

0.2500"-9/32"

0.2500"-0.4688"

9/32"-5/16"

5/16"-11/32"

11/32"-3/8"

3/8"-13/32"

13/32"-7/16"

27/64"-29/64"

27/64"-15/32"

7/16"-15/32"

7/16"-1/2"

7/16"-1.2500"

15/32"-17/32"

0.4688"-1 1/16"

0.4688"-1.5313"

1/2"-9/16"

17/32"-19/32"

9/16"-5/8"

19/32"-21/32"

5/8"-11/16"

21/32"-23/32"

11/16"-3/4"

23/32"-25/32"

3/4"-13/16"

25/32"-27/32"

13/16"-7/8"

27/32"-15/16"

7/8"-1"

15/16"-1 1/16"

1"-1 1/8"

1 1/16"-1 3/16"

1 1/8"-1.2500"

1 3/16"-1 11/32"

1 1/4"-1 7/16"

1 11/32"-1 17/32"

1 7/16"-1 5/8"

1 17/32"-1 25/32"

1 5/8"-1 7/8"

1 25/32"-2 3/32"

1 7/8"-2 3/16"

2 3/32"-2 15/32"

2 3/16"-2 9/16"

2 9/16"-3"

	For Use On For Use On

Stainless
Steel

	Material Material

High-Speed Steel

	Number of Flutes Number of Flutes

	8

	Overall Length Overall Length

	Diameter Rating Diameter Rating

	Shank Type Shank Type

	Round

	Flute Length Flute Length

	Flute Style Flute Style

	Straight

	Reamer Type Reamer Type

Chucking (Machine)

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About Reamers

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Metric Size High-Speed Steel Round-Shank Reamers

The shank diameter is slightly smaller than the reamer diameter.

	Lg.
Reamer Dia., mm	Flute	Overall	Number of Flutes	Flute Style	Cutting Dia. Tolerance, mm	For Use On		Each
High-Speed Steel

21.5000	2 5/8"	10"	8	Straight	0.0025 to 0.01	Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel	0000000	000000

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