NetProto hardened steel tool
- Steel chosen with you during DFM.
- Typical output is 100,000+ parts on many programs.
- Same tool runs reorders.
Steel injection mold
Steel injection mold searches mix material grade, hardness, and expected output. NetProto standardizes on one hardened steel product selected in DFM.
One product
Listing mold steel grades on a marketing site invites apples to oranges comparisons without your resin, volume, or geometry.
NetProto selects hardened steel during DFM for the part and program. There is one tooling product, not good better best steel tiers.
Expectations
What to send instead of picking a grade online
Resin family including filled variants.
Annual volume and reorder expectations.
Cosmetic and texture requirements.
Critical dimensions and tolerance bands.
Life framing
| Statement | Allowed framing | Avoid |
|---|---|---|
| 100,000+ parts | Typical for hardened steel | Warranty or life promise |
| Tool wear | Depends on resin and maintenance | Fixed cycle count promise |
Ownership
Once the tooling charge is paid the mold is yours, including export when needed.

Related
Aluminum versus steel comparison.
/injection-molding-tooling/aluminum-injection-moldWhen softness is the issue.
/injection-molding-tooling/soft-toolingManufacturing milestones.
/injection-molding-tooling/injection-mold-manufacturingTolerance bands.
/manufacturing-standardsTooling hub.
/injection-molding-toolingISO 9001 manufacturing.
/our-quality-assuranceFAQ
Hardened steel selected during DFM; grades are not published.
No. Typical output is 100,000+ parts depending on resin, part geometry, and maintenance.
Next step
Upload for steel scope on your program. NetProto manufacturing is ISO 9001 certified.