7/8-14 2B 4FL SEMI-BTM HY-PRO DIN SO TAP
7/8-14 2B 4FL SEMI-BTM HY-PRO DIN SO TAP
OSG2239201
2239201
218.66
/ EA
http://schema.org/OutOfStock
/Product/OSG2239201
- Chamfer: Semi-Bottoming
- Class of Fit: 2B
- Hand Direction: Right Hand
- Material: HSS-E
- Number of Flutes: 4
- Overall Length Decimal Inch: 125
- Overall Length Metric: 3175
- Series: 220
- Shank Diameter Decimal Inch: 0.697
- Surface Treatment: Steam Oxide
- Thread Length Decimal Inch: 2.21875
- Thread Length Fractional Inch: 2-7/32
- Thread Size: 7/8-14
- Thread Standard: UNF
- Applicable Materials: High Carbon Steel, Alloy Steels, Cast Iron, Carbon Steels, Die Steels, Stainless Steels and Hardened Steel
- Flute Direction: Right Hand
- Has Attributes: Yes
- Has Image: Yes
- System of Measurement: Imperial
- Application
- Item Features
- Standards
- Recommended Speeds
For blind hole applications
- Increased wear resistance
- S/O increases mechanical lubricity
- Provides greater reach capability
DIN Rated|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
| Workpiece material | Suitability | Cutting speed (SFM) |
|---|---|---|
| P — Steel | ||
| Alloy Steels: 4140; 4340 | Best | 20 – 50 |
| High Carbon Steel: 1065 | Best | 20 – 45 |
| Die Steels | Good | 15 – 30 |
| Low Carbon Steel: 1010; 1018 | Good | 25 – 80 |
| Medium Carbon Steel: 1035; 1045 | Good | 20 – 50 |
| M — Stainless Steel | ||
| Stainless Steels: 17-4PH | Good | 15 – 20 |
| Stainless Steels: 300 | Good | 20 – 45 |
| Stainless Steels: 400 | Good | 20 – 40 |
| K — Cast Iron | ||
| Cast Iron | Good | 25 – 75 |
| H — Hardened Steel | ||
| Hardened Steels: 35 HRC | Good | 15 – 35 |
Speeds and suitability ratings supplied by OSG for the HY-PRO SFT series. Starting values — adjust for your setup, coolant and workholding rigidity.