We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Eklind 15624 black oxide metric hex key 12 mm tip 8 15/64 in long

Eklind

Eklind 15624 Metric Hex Key 12 mm 8 15/64 in

SKU CH-91AH-8FT6N MPN 15624

A 12 mm alloy-steel hex key, 8 15/64 in long with a black oxide finish for corrosion resistance

  • TypeHex/Torx Keys
  • Color/FinishBlack
  • 12 mm tip fits standard metric fasteners
  • 8 15/64 in length provides extra leverage
  • Alloy steel construction resists wear
  • Black oxide finish prevents corrosion
  • Plain handle design allows grip in tight spaces

Everyday Metric Hex Key

The Eklind 15624 is a 12 mm metric hex key built from alloy steel for general fastening tasks. Its black oxide finish resists corrosion during daily use on small bolts and screws. The plain handle design provides a secure grip in tight spaces where a ratchet cannot reach. This single piece replaces a lost key or completes a mixed metric set.

Simple Hand Tool Operation

No moving parts generate heat, noise or draw power during normal use. The solid steel construction absorbs torque without flex when the key is fully seated in the fastener. Corrosion resistance from the black oxide coating extends service life in damp environments. The 8 15/64 in length gives enough leverage for typical assembly and maintenance jobs.

Replaces Lost Or Worn Keys

This key fills a 12 mm gap in an existing set or substitutes for a rounded or missing wrench. The jump is worth it when the original tool is damaged or when a dedicated long-reach key speeds up repetitive work. Buyers who need a ball-end for angled access or a fold-up set for portability should look elsewhere.

Highlights

  • 12 mm tip fits standard metric fasteners
  • 8 15/64 in length provides extra leverage
  • Alloy steel construction resists wear
  • Black oxide finish prevents corrosion
  • Plain handle design allows grip in tight spaces

Specifications

BrandEklind
Model15624
TypeHex/Torx Keys
Color/FinishBlack

Questions about this item

How do I use the 12 mm hex key on a recessed fastener without rounding the tip?

Insert the short arm fully into the 12 mm socket so the entire tip engages, then apply force on the long arm; the 8 15/64 in length gives leverage while the alloy steel resists deformation.

Will the black oxide finish wear off and require re-treatment?

The black oxide coating resists corrosion during normal use; if the surface shows bare steel after heavy service, a light oil wipe maintains protection without re-coating.

At what point does the 8 15/64 in arm length stop multiplying torque on a stuck 12 mm bolt?

When the required force exceeds the alloy steel's yield limit, the key will twist permanently instead of turning the bolt, signalling the practical torque ceiling.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.