OSG 2880605 HY-PRO® SEVEN 287 Spiral Point Tap, Right Hand Cutting, 1/4-20 Thread, 4.5P-5.5P Plug Chamfer, 2 Flutes, TiN Coated, HSS
- Coolant Through: No
- Material Application: Steel, Stainless Steel, Tool Steel, Die Steel and Aluminum
- Overall Length: 2.5 in
- Shank Diameter - Decimal: 0.255 in
- Thread Length: 0.637 in
- Thread Standard: UNC
- Thread Size: 1/4-20
- Number of Flutes: 2
- Material: HSS
- Class of Fit: 3B
- Finish/Coating: TiN Coated
- Chamfer Type: 4.5P-5.5P Plug
- Cutting Direction: Right Hand
- Measurement System: Imperial
- Overall Length - Fractional: 2-1/2 in
- Series: HY-PRO® SEVEN 287
Taps are used to cut screw threads on the inside surfaces of holes, creating the female half (nut) of the screw. High precision is of vital importance, particularly in areas such as automobile engines, which require precision screws. OSG offers a lineup of taps with diameters in various sizes and with specifications suitable for a wide variety of uses.
- Spiral point taps push chips forward
- HSS material increased wear-resistance
- Slow spiral efficient chip evacuation
- 2B and 6H class of fits eliminates guess work associated with H and D limits
Standards/Approvals: PROP65: When grinding or regrinding industrial cutting tools, residual grinding dust may occur. This dust may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Through Hole Applications
OSG Spiral Point Tap | Series: HY-PRO SEVEN 287 | Measurement System: Imperial | UNC | 1/4-20 | 4.5P-5.5P Plug Chamfer | 2 Flutes | HSS | TiN Coated | Class of Fit: 3B | Right Hand Cutting | 0.637 in Thread Length | 2-1/2 in Overall Length | 0.255 in Shank Dia | Steel | Stainless Steel | Tool Steel | Die Steel and Aluminum Material Application | No Through Coolant (Yes/No)