Tough lock resists corrosion, break-ins

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Esmet says its Tufloc hinge-lock for utility, service and delivery vehicles is cast from 304 stainless steel to help resist corrosion, sawing, drilling, chiseling and hammering. Fasteners include high-strength, grade-5 carriage bolts and a stainless-steel central bolt; an electro-polish stainless-steel finish helps seal out the elements.

The bolt head is designed to rotate and has a tungsten carbide insert to help resist cutting at the locking point — so much so that saw attacks on the lock take longer than any other lock tested by the American Standards for Testing and Materials, the company says.

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