About Reamers
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High-Speed Steel Round-Shank Reamers

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. | |||||||
---|---|---|---|---|---|---|---|---|
Size | Dia. | Flute | Overall | Number of Flutes | Cutting Dia. Tolerance | For Use On | Each | |
Straight Flute | ||||||||
0.1270" | 0.1270" | 7/8" | 3 1/2" | 4 | 0" to 0.0002" | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 00000000 | 000000 |
Carbide Round-Shank Reamers

Solid carbide provides exceptional wear resistance and high accuracy in addition to excellent abrasion and heat resistance when cutting hard and abrasive materials. These reamers require rigid tool holding to prevent breakage and are not for use with hand-held tools.
For technical drawings and 3-D models, click on a part number.
Dia. | Lg. | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Reamer Size | Reamer | Shank | Flute | Reach | Overall | Number of Flutes | Flute Style | Cutting Dia. Tolerance | For Use On | Each | |
0.1270" | 0.1270" | 9/64" | 3/4" | 1 1/2" | 2 1/2" | 4 | Straight | 0" to 0.0002" | Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 00000000 | 000000 |
Cobalt Steel Round-Shank Reamers

Choose these cobalt steel reamers for good performance on hard-to-machine materials. The shank diameter is slightly smaller than the reamer diameter.
For technical drawings and 3-D models, click on a part number.
Reamer | Lg. | ||||||||
---|---|---|---|---|---|---|---|---|---|
Size | Dia. | Flute | Overall | Number of Flutes | Flute Style | Cutting Dia. Tolerance | For Use On | Each | |
Cobalt Steel | |||||||||
0.1270" | 0.1270" | 7/8" | 3 1/2" | 4 | Straight | 0" to 0.0002" | Aluminum, Brass, Bronze, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel | 0000000 | 000000 |
Inch Size Combination Drill Bit/Round-Shank Reamers for Taper-Pin Holes

Drill and ream holes for taper pins with the same tool. These tools have chip breakers on the cutting edge.
For technical drawings and 3-D models, click on a part number.
Reamer Dia. | Lg. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Taper Pin Number | (A) | (B) | Flute | Overall | Number of Flutes | Flute Style | Spiral Direction | Rate of Taper | Point Angle | For Use On | Each | |
High-Speed Steel | ||||||||||||
3/0 | 0.1270" | 0.0879" | 1 7/8" | 3 1/8" | 2 | Spiral | Right Hand | 1" per 50" | 118° | Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel | 0000000 | 000000 |