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 | 0.3281 |
| Dimension Type | Fractional Inch |
| Finish | Bright, Uncoated |
| Flute Length | 1 29/32" |
| Flute Type | Straight |
| Material | Carbide |
| Material Application | Aluminum, Composite, Plastic, Thermoplastic |
| Number Of Flutes | 2 |
| Overall Length | 4" |
| Primary Material Application | Carbon Fiber |
| Primary Material Application Iso Code | O |
| Reamer Application | Through Hole |
| Reamer Size | 21/64" |
| Shank Dia. | 0.328" |
| Shank Diameter | 21/64" |
| Shank Type | Straight |
| Size - Decimal | 21/64" |
| 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 |
Explore Products
- TENSABARRIER 889U-3P-3P-MAX-NO-YDX-C Barrier Post With Belt, Steel, Polished Stainless Steel, 38 Inch Post Height, Std, 1 Belts
- APPROVED VENDOR MSB2-28 Shoulder Screw, M6x1 Thread Size, 6 mm Shoulder Lg., 6 mm Head Ht., Precision, SS
- DIXON WS16DC-A High Pressure Wingstyle Rigid Dust Cap, 2 Inch Body, Aluminium
- EKLIND 61924 Hex Key, 0 Ball Ends, 3/8 Inch Tip Size, SAE, Long, Steel, Black Oxide
- COOPER B-LINE B2009PAAL Pipe/Conduit Clamp, 0.081 x 2.608 x 1.25 Inch Size, Aluminium
- HAYWARD DAB2012UEE Diaphragm Valve, 1 1/4 Inch, CPVC, 2-Way, NPT x Socket, 150 psi Max Pressure, EPDM
- TELEMECANIQUE SENSORS ZCMD21L2 Metal Limit Switch 1NO/1NC
- CAMLOCK FITTINGS F100-PP Adapter, 1 Inch Size, Polypropylene
Explore More
- DETECTAPRO
- ENPAC
- KEYSHAFT
- GRAND ROCK
- STARRETT-UK
- Black Pipe Fittings
- Electric Winches
- Wire Carts
- Rotary Gear Pump Heads
- Electric Hydraulic Accessories
- TURTLESKIN CP Apron
- AKRO-MILS 30080 Shelfmax Shelf Bins
- CONDOR Clarino/PVC Mechanics Gloves
- GLOBE SCIENTIFIC Tri-Corner Beakers
- SHARON PIPING Tee, Socket Weld, Stainless Steel
- COOPER B-LINE Premier Series Flexible Mounting Straps
- SPEARS VALVES PVC Low Head PIP Fabricated Reducer Crosses, Socket
- DIXON F Series Pneumatic Manual Push-Loc Hose Barb Couplers
- PELICAN 1650 Protector Cases
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 257-3280 Chucking Reamer, 21/64 Inch Reamer Size, 1 29/32 Inch Flute Length, 4 Inch Overall Length
€223.37 /unit


