About Reamers
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Wire Gauge Size High-Speed Steel Round-Shank Reamers
Wire gauge sizes 1 to 70 have a shank diameter that's slightly smaller than the reamer diameter. Wire gauge sizes 71 to 80 have a shank diameter that's equal to the reamer diameter.
Spiral-flute reamers have a right-hand spiral and a right-hand cut. They pull chips upward as they cut, so they’re often used in blind holes. Spiral flutes create a smoother finish than straight flutes and work well in keyways and other applications with an interrupted cut.
For technical drawings and 3-D models, click on a part number.
Reamer | Lg. | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | Dia. | Flute | Overall | Number of Flutes | Cutting Dia. Tolerance | For Use On | Each | |
High-Speed Steel | ||||||||
Straight Flute | ||||||||
| 76 ga | 0.0200" | 3/8" | 7/8" | 2 | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 000000 |
Wire Gauge Cobalt Steel Round-Shank Reamers
Cobalt steel has good performance on hard-to-machine materials. Wire gauge sizes 1 to 60 have a shank diameter that's slightly smaller than the reamer diameter. Wire gauge sizes 61 to 80 have a shank diameter that's equal to the reamer diameter.
For technical drawings and 3-D models, click on a part number.
Reamer | Lg. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Diameter | Flute | Overall | Number of Flutes | Flute Style | Cutting Dia. Tolerance | For Use On | Each | |
Cobalt Steel | |||||||||
| 76 ga | 0.0200" | 3/8" | 7/8" | 2 | Straight | 0" to 0.0002" | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 000000 |
Wire Gauge Size High-Speed Steel Reamer Sets
For technical drawings and 3-D models, click on a part number.
| Sizes Included | Number of Pieces | Flute Style | Container Type | For Use On | Set | |
High-Speed Steel | ||||||
|---|---|---|---|---|---|---|
| 61-80 | 20 | Straight | Metal Case | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 000000 | 0000000 |