Hexagon Keys by Form, Standard & Size

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Hex & Draper TX-STAR® Keys

Draper TX-STAR® Key Sets

Hexagon Key Sets

Metric Hexagon Keys

Draper TX-STAR® Keys

Draper TX-STAR® Security Key Sets

Hexagon Keys

FAQs

One with a rounded end that enters the fastener at an angle where a straight key will not reach. It carries less torque, so it runs the fastener down rather than tightening it.

A long arm key reaches a fastener set deep in a recess and gives more purchase at the short end. Extra long arm reaches further and flexes more, felt most on smaller sizes.

Yes, and they are close enough at several points to be confused. An imperial key in a metric socket rounds the socket rather than turning it.

9, 13 and 27 pieces across the metric and imperial sets, with a jumbo set at 13 pieces covering the larger sizes a standard set stops short of.

It is not the right end for it. The ball contacts less of the socket, so a straight end is used for the final tighten once the fastener is seated.

Yes, alongside the sets, which covers replacing one size worn or lost from a set rather than replacing the whole ladder.

Clear

A ball end lets the key work at an angle where a straight key will not reach, which is what makes it the form most often chosen. The ball carries less torque than a straight end, so it is used to run a fastener down and the straight end is used to tighten it. A straight key also seats the full length of the socket rather than only its top.

Long arm and extra long arm forms trade stiffness for reach. A long arm key reaches a fastener set deep in a recess; an extra long arm reaches further still and flexes more under load, which is felt most on the smaller sizes. Arm length is stated per set rather than being judged from the photograph of the holder.

Standard has to match the fastener and metric and imperial are close enough at several points to be confused. An imperial key in a metric socket rounds the socket rather than turning it, and the damage is done before the mismatch is noticed. Reading the standard on the fastener rather than the key is what avoids the mismatch.

Set size follows the ladder rather than being a measure of anything else, at 9, 13 and 27 pieces across the sets here. A jumbo set at 13 pieces covers the larger sizes that a standard set stops short of. Send the fastener size to 07754288583 on WhatsApp. Individual sizes are held so a set is completed rather than replaced when one key is lost.