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About Tool Steel
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Tight-Tolerance Multipurpose Oil-Hardening O1 Tool Steel Rods
- Yield Strength: 50,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment:
Inch sizes: Rockwell C65
Metric sizes: Rockwell C62 - Specifications Met: ASTM A681
Ready for turning in a lathe, these rods are precision ground to a tight diameter tolerance. They’re also known as drill rod. Often used for dies, punches, and gauges, O1 tool steel is an oil-hardening material that resists wear and abrasion.
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 | Heat Treatment | Mechanical Finish | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
| 0.0625" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.063" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.066" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.069" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.072" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.075" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.077" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.0782" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.079" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.081" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.085" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.088" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.092" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.0938" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.095" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.097" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.099" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.101" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.103" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.106" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.108" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.1094" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.11" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.112" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.115" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.12" | -0.0003" to 0.0003" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.125" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.127" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.134" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.139" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.1406" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.143" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.146" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.148" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.151" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.153" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.155" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.1563" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.157" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.161" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.164" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.168" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.1719" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.172" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.175" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.178" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.18" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.182" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.185" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.1875" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.188" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.191" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.194" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.197" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.199" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.201" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.2031" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.204" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.207" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.212" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.2188" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.219" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.227" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.234" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.2344" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.238" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.242" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.246" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.25" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.257" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.261" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.2656" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.266" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.272" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.277" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.281" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.2813" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.29" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.295" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.2969" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.302" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.3125" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.316" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.323" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.3281" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.332" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.339" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 | |||
| 0.3438" | -0.0005" to 0.0005" | Annealed (Softened) | Precision Ground | 00000000 |