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About Steel
Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Hardened Shock-Resistant S2 Tool Steel

- Yield Strength: 290,000 psi
- Hardness: Rockwell C55 (Very Hard)
- Specifications Met: ASTM A681
This S2 tool steel has been hardened for excellent strength and impact resistance. It has a tough core that resists breaking under shock loads.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance | Mechanical Finish | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
---|---|---|---|---|---|
3/16" | -0.001" to 0.001" | Ground and Polished | 100 | 0000000 | 00000 |
1/4" | -0.001" to 0.001" | Ground and Polished | 100 | 0000000 | 0000 |
5/16" | -0.001" to 0.001" | Ground and Polished | 100 | 0000000 | 00000 |
7/16" | -0.001" to 0.001" | Ground and Polished | 50 | 0000000 | 00000 |
1/2" | -0.001" to 0.001" | Ground and Polished | 50 | 0000000 | 00000 |
3/4" | -0.001" to 0.001" | Ground and Polished | 10 | 0000000 | 0000 |
13/16" | -0.001" to 0.001" | Ground and Polished | 10 | 0000000 | 00000 |
7/8" | -0.001" to 0.001" | Ground and Polished | 10 | 0000000 | 00000 |
15/16" | -0.001" to 0.001" | Ground and Polished | 10 | 0000000 | 00000 |
1" | -0.001" to 0.001" | Ground and Polished | 5 | 0000000 | 00000 |