2 verified metal fabrication shops in San Diego, CA work tool steel; each fact below links to the sentence on the shop's own site.
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Tool steels (A2, D2, O1, S7, H13 and others) are hardened for wear resistance — dies, punches, wear plates, gauges.
Specify the grade and hardness; ask whether machining happens before or after heat treat and whether the shop grinds or EDMs hardened features.
Each shop's verified tool steel fact is quoted from its own website; open the shop for every other capability on record.
Tool Steel - Plate Glass - Most Ferrous and Non-Ferrous Metals - source
Tool Steels source
Fewer than three verified shops here yet — this page grows as more shops in the area are verified.
All metal fabrication shops in San Diego · Tool steel metal fabrication shops in California · Steel in San Diego · Tool and die in San Diego