System of Measurement System of Measurement |
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Reamer Diameter Reamer Diameter |
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Reamer Size Reamer Size |
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Shank Type Shank Type |
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Material Material |
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Reamer Type Reamer Type |
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Spiral Direction Spiral Direction |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Reamers
More
Oversized High-Speed Steel Round-Shank Reamers
With Straight Flutes
With Right-Hand Spiral Flutes
With Left-Hand Spiral Flutes
The reamer diameter accounts for the 0.001" oversized diameter rating, so these reamers create a looser fit than standard reamer sizes. The shank diameter is slightly smaller than the reamer diameter.
Straight-flute reamers are for general purpose cutting.
Spiral-flute reamers create a smoother finish than straight flutes and work well in keyways and other applications with an interrupted cut. Reamers with a right-hand spiral pull chips upward as they cut, so they’re often used in blind holes. Reamers with a left-hand spiral push chips downward as they cut, making them good for through holes.
For technical drawings and 3-D models, click on a part number.
Reamer | Lg. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Diameter | Flute | Overall | Number of Flutes | Cut Direction | Cutting Dia. Tolerance | For Use On | Each | |
High-Speed Steel | |||||||||
Straight Flute | |||||||||
| 0.1260" | 0.1260" | 7/8" | 3 1/2" | 4 | __ | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 000000 |
| 0.1885" | 0.1885" | 1 1/8" | 4 1/2" | 6 | __ | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.2510" | 0.2510" | 1 1/2" | 6" | 6 | __ | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.3135" | 0.3135" | 1 1/2" | 6" | 6 | __ | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.3760" | 0.3760" | 1 3/4" | 7" | 6 | __ | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.4385" | 0.4385" | 1 3/4" | 7" | 6 | __ | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.5010" | 0.5010" | 2" | 8" | 6 | __ | 0" to 0.0003" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.5635" | 0.5635" | 2" | 8" | 8 | __ | 0" to 0.0003" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.6260" | 0.6260" | 2 1/4" | 9" | 8 | __ | 0" to 0.0003" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.6885" | 0.6885" | 2 1/4" | 9" | 8 | __ | 0" to 0.0003" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.7510" | 0.7510" | 2 1/2" | 9 1/2" | 8 | __ | 0" to 0.0004" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 000000 |
| 0.8135" | 0.8135" | 2 1/2" | 9 1/2" | 8 | __ | 0.0001" to 0.0004" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.8760" | 0.8760" | 2 5/8" | 10" | 8 | __ | 0" to 0.0004" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 000000 |
| 1.0010" | 1.0010" | 2 3/4" | 10 1/2" | 10 | __ | 0" to 0.0004" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 000000 |
Right Hand Spiral Flute | |||||||||
| 0.1260" | 0.1260" | 7/8" | 3 1/2" | 4 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.1885" | 0.1885" | 1 1/8" | 4 1/2" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.2510" | 0.2510" | 1 1/2" | 6" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.3135" | 0.3135" | 1 1/2" | 6" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.3760" | 0.3760" | 1 3/4" | 7" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.4385" | 0.4385" | 1 3/4" | 7" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.5010" | 0.5010" | 2" | 8" | 6 | Right Hand | 0" to 0.0003" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
Left Hand Spiral Flute | |||||||||
| 0.1260" | 0.1260" | 7/8" | 3 1/2" | 4 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.1885" | 0.1885" | 1 1/8" | 4 1/2" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.2510" | 0.2510" | 1 1/2" | 6" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.3135" | 0.3135" | 1 1/2" | 6" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.3760" | 0.3760" | 1 3/4" | 7" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.4385" | 0.4385" | 1 3/4" | 7" | 6 | Right Hand | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.5010" | 0.5010" | 2" | 8" | 6 | Right Hand | 0" to 0.0003" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |