Trimming air vent plugs is one of the headaches of tire manufacturing and recapping.
The job requires a tool hard enough to wear well, with a thin enough edge to cut and
yet strong enough so that the teeth will not break.
These Alcon trimmers (#2001 HS excluded) are made of A-2 tool steel, which has the
best combination of edge strength and wear resistance.
On automatic trimming machines, where the trimming is done with knives spaced across
the tread and along the sidewall, it is not unusual to trim thousands of tires with
one set of knives. We encourage you to try them at Alcon's risk! There are a wide
variety of trimmers from which to choose to do the job for you.
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