About Reamers
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Threaded-Shank Reamers
These reamers have a 1/4”-28 threaded shank. All have a built-in pilot with a 45° chamfer angle to maintain alignment in the hole.
For technical drawings and 3-D models, click on a part number.
Dia. | Lg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reamer Size | Reamer | Pilot | Flute | Pilot | Overall | Number of Flutes | Flute Style | Cutting Dia. Tolerance | Pilot Cutting Dia. Tolerance | For Use On | Each | |
High-Speed Steel | ||||||||||||
| 0.1610" | 0.1610" | 0.152" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 000000 |
| 11/64" | 0.1719" | 0.164" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.1850" | 0.1850" | 0.175" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.1870" | 0.1870" | 0.178" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 3/16" | 0.1875" | 0.178" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.1890" | 0.1890" | 0.180" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.1910" | 0.1910" | 0.180" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 0.1935" | 0.1935" | 0.183" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 13/64" | 0.2031" | 0.194" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 7/32" | 0.2188" | 0.207" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 15/64" | 0.2344" | 0.226" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 1/4" | 0.2500" | 0.240" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 17/64" | 0.2656" | 0.255" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 9/32" | 0.2812" | 0.270" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 19/64" | 0.2969" | 0.288" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |
| 5/16" | 0.3125" | 0.300" | 1 1/2" | 1/2" | 2 1/8" | 6 | Straight | 0" to 0.0002" | -0.001" to 0" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 00000 |