3 verified machine shops in San Francisco, 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 steels source
Tool steels source
More than just common materials of mild steel and aluminum, abrasive waterjets easily cut titanium, Inconel, brass, and tool steel. source
All machine shops in San Francisco · Tool steel machine shops in California · Steel in San Francisco · Wire EDM in San Francisco