About Reamers
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High-Speed Steel Round-Shank Reamers

With Straight Flutes
The shank diameter is slightly smaller than the reamer diameter.
Straight-flute reamers are for general purpose cutting.
For technical drawings and 3-D models, click on a part number.
Reamer | Lg. | |||||||
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Size | Dia. | Flute | Overall | Number of Flutes | Cutting Dia. Tolerance | For Use On | Each | |
Straight Flute | ||||||||
0.7750" | 0.7750" | 2 1/2" | 9 1/2" | 8 | 0" to 0.0004" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 0000000 |
Reamers for Morse Taper-Socket Holes

Turn existing straight drilled holes into Morse taper holes. These reamers are also good for sizing and smoothing existing Morse taper holes and for removing nicks and burs in machine spindles. Hand turn with an adjustable wrench or straight-handle tap wrench (sold separately).
For technical drawings and 3-D models, click on a part number.
Reamers | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Reamer Dia. | Lg. | Optional Straight-Handle Tap Wrenches | |||||||||||
For Morse Taper Number | (A) | (B) | Square Shank Size | Flute | Overall | Number of Flutes | Flute Style | Cutting Dia. Tolerance | For Use On | Each | Each | ||
High-Speed Steel | |||||||||||||
3 | 0.9880" | 0.7750" | 0.6550" | 4 1/4" | 7 1/4" | 8 | Straight | -0.0005" to 0.0005" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 0000000 | 0000000 | 0000000 |