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Product Specifications:
| Item | Chucking Reamer |
| Application | Through Hole |
| Coolant Fed | Non Coolant Through |
| Coolant Through | No |
| Cutting Dia. Tolerance | 0" to 0.0005" |
| Cutting Direction | Right Hand |
| Cutting Direction - Machining | Right Hand |
| Decimal Equivalent | 0.2188 |
| Dimension Type | Fractional Inch |
| Finish | Bright, Uncoated |
| Flute Length | 2 9/64" |
| Flute Type | Straight |
| List Number | 257 |
| Material | Carbide |
| Material Application | Aluminum, Composite, Plastic, Thermoplastic |
| Number Of Flutes | 2 |
| Overall Length | 6" |
| Primary Material Application | Carbon Fiber |
| Primary Material Application Iso Code | O |
| Reamer Application | Through Hole |
| Reamer Size | 7/32" |
| Shank Dia. | 0.219" |
| Shank Diameter | 7/32" |
| Shank Type | Straight |
| Size - Decimal | 7/32" |
| Spiral Direction | Neutral |
| System Of Measurement | Fractional Inch |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Overall Length | Decimal Equivalent | Flute Length | Number Of Flutes | Spiral Direction | Reamer Size | Cutting Dia. Tolerance | Dimension Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
300-2280 | 3" | 0.228 | 1" | 4 | Neutral | #1 | -0.0102" to +0.0025" | - | €81.61 | |
![]() |
257-1935 | 4" | 0.1935 | 1 29/32" | 2 | Neutral | #10 | 0" to 0.0005" | - | €163.48 | |
![]() |
300-1935 | 2 3/4" | 0.1935 | 7/8" | 4 | Neutral | #10 | -0.0102" to +0.0025" | - | €70.26 | |
![]() |
257-1910 | 3" | 0.191 | 1 7/8" | - | Neutral | #11 | 0" to 0.0005" | - | €131.68 | |
![]() |
257-1916 | 4" | 0.191 | 1 7/8" | 2 | Neutral | #11 | 0" to 0.0005" | - | €162.47 | |
![]() |
300-1910 | 2 3/4" | 0.191 | 7/8" | 4 | Neutral | #11 | -0.0102" to +0.0025" | - | €70.26 | |
![]() |
300-1890 | 2 3/4" | 0.189 | 7/8" | 4 | Neutral | #12 | -0.0102" to +0.0025" | - | €70.70 |
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Contact us
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OSG 257-2186 Chucking Reamer, 7/32 Inch Reamer Size, 2 9/64 Inch Flute Length, 6 Inch Overall Length
€212.48 /unit


