Long Torx Hex Key Wrench (T30x10pcs)

It appears on brake caliper carrier and guide fixings on a number of makes, on seat rail and seat frame bolts, on interior structural brackets, and on engine bay covers and under-shields. It reaches well past the motor trade too — generator and compressor access panels, appliance chassis, machinery covers. T30 is one of those sizes a workshop meets often enough to need and seldom enough to misplace.

That is the real reason to buy a single Torx key instead of another set. A workshop that owns a set does not need a second one. It needs the one size that has gone missing, been left inside a car door, or been quietly ruined by somebody leaning on it against a seized fixing. Replacing that single key restores the whole set for a fraction of what a new set costs.

And a Torx key cannot be rescued. A worn hex key can sometimes be dressed back on a grinder to expose fresh full-size hex behind the wear. A Torx tip has six points cut to a specific profile, and no amount of hand grinding will put that profile back — once the points have worn or twisted the key is finished, and carrying on with it damages good fasteners. That is the whole case for keeping single sizes available.

The long pattern suits T30 work because these fixings are usually sunk. A caliper bolt sits down a bore, a panel screw under a lip, a machine cover screw in a pocket. Length is what puts the tip in the recess while leaving arm outside for your hand.

There is a cost to it. A longer key twists further under load, so you feel less of what the fastener is doing, at the same time as handing you more leverage than a short key would. On a brake or suspension fixing with a published torque figure, use the key to release the bolt and to run it back down, and set the final figure with a torque wrench.

The steel is chrome vanadium, forged and then hardened and tempered.

It sells to vehicle and motorcycle technicians, brake specialists, plant and generator maintenance, appliance repairers, and hardware dealers supplying the motor trade.

The piece count in Harden's catalogue title is their carton quantity. What you are buying is one T30 key. Message 94 77 111 8880 for a price, ask about trade quantities if you run a shop, and we will deliver island-wide.