FREE delivery on orders over €150
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 | 0.5 |
| Dimensions Type | Fractional Inch |
| Finish | Bright Uncoated |
| Flute Length | 3 29/32" |
| Flute Type | Straight |
| List Number | 257 |
| Material | Carbide |
| Material Application | Aluminum, Composite, Plastic, Thermoplastic |
| No. Of Flutes | 2 |
| Overall Length | 6" |
| Primary Material Application | Carbon Fiber |
| Primary Material Application Iso Code | O |
| Reamer Application | Through Hole |
| Reamer Size | 1/2" |
| Shank Dia. | 1/2" |
| Shank Type | Straight |
| Size-decimal | 1/2" |
| Spiral Direction | Neutral |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 15.24 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Shank Dia. | Primary Material Application Iso Code | Flute Length | Reamer Size | Size-decimal | Spiral Direction | Decimal Equivalent | List Number | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
300-2280 | 0.219" | K, M, N, P | 1" | #1 | #1 | Neutral | 0.228 | 300D | €81.61 | |
![]() |
257-1935 | 3/16" | O | 1 29/32" | #10 | #10 | Neutral | 0.1935 | 257 | €163.48 | |
![]() |
300-1935 | 3/16" | K, M, N, P | 7/8" | #10 | #10 | Neutral | 0.1935 | 300D | €70.26 | |
![]() |
257-1910 | 3/16" | O | 1 7/8" | #11 | #11 | Neutral | 0.191 | 257 | €131.68 | |
![]() |
257-1916 | 3/16" | O | 1 7/8" | #11 | #11 | Neutral | 0.191 | 257 | €162.47 | |
![]() |
300-1910 | 3/16" | K, M, N, P | 7/8" | #11 | #11 | Neutral | 0.191 | 300D | €70.26 | |
![]() |
300-1890 | 0.172" | K, M, N, P | 7/8" | #12 | #12 | Neutral | 0.189 | 300D | €70.70 |
Explore Products
- MARTIN SPROCKET U1 X 3-1/2
- ELOBAU J3A7AA0A Fingertip Joystick, Operating Voltage 10-30V DC, Output Signal 0,5-4,5V DC
- EATON 69X4X4 Elbow, Male, 1/4 x 1/4 Inch Size
- GRAINGER BULK-RS-H50-1109 Buna-N Roll, 36 Inch X 6 Ft, 1 Inch Thickness, 50A, Plain Backing, Black, Smooth
- RIDGID 47740 Pipe Die Alloy 1/4-3/8 Inch Npt 4 Pc
- ARO PE20A-AAP-FTT-BA0 Electronic Interface Pump, 2 Inch Size
- HARRINGTON NERG003L-FG-10 Electric Chain Hoist with Trolley 10 feet 15 fpm
Explore More
- KEYSHAFT
- Die Grinders
- Brake and Clutch Accessories
- Tap Adapters
- LED Drivers
- Soldering Kits
- ANSELL Class 0 Electrical Gloves, 14 Inch, Yellow
- LOUISVILLE L-2032 Series Aluminum Sawhorse Scaffolds
- DESTACO 2007 Series Vertical Hold Down Clamps, Solid Bar
- ABB T5 Series Molded Case Circuit Breakers
- PS DOORS Edgehalt Full Height Ladder Safety Gates
- EATON D7 Series General-Purpose Relays
- SLOAN Regal Exposed Manual Water Closet Flushometers
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
OSG 257-5006 Chucking Reamer, 1/2 Inch Reamer Size, 3 29/32 Inch Flute Length, 6 Inch Overall Length
€491.14 /unit


