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Metric short arm allen - short,
£76.24 · Buy It Now
» View details on eBay #sponsored5mm 12mm metric - metric, allen
£2.99 · Buy It Now
» View details on eBay #sponsoredM12 55mm 2in drive short - 1/2in,
£7.45 · Buy It Now
» View details on eBay #sponsoredAllen hex socket - allen, 12mm
£6.49 · Buy It Now
» View details on eBay #sponsoredBgs allen key internal - allen, hex
£4.99 · Buy It Now
» View details on eBay #sponsoredAllen key set metric hex - key,
£66.99 · Buy It Now
» View details on eBay #sponsoredBgs allen key internal hex - allen, key,
£4.25 · Buy It Now
» View details on eBay #sponsored12mm m12 stainless steel - stainless,
£251.57 · Buy It Now
» View details on eBay #sponsoredArndt extra long - extra, allen
£12.49 · Buy It Now
» View details on eBay #sponsoredDraper metric hexagon allen - metric,
£7.14 · Buy It Now
» View details on eBay #sponsored10x hex key allen bit - hex,
£3.99 · Buy It Now
» View details on eBay #sponsoredArndt ball end - hex, key
£14.99 · Buy It Now
» View details on eBay #sponsoredBondhus ball end shaped - bondhus, l-shaped
£14.50 · Buy It Now
» View details on eBay #sponsoredArndt allen hex key hexagonal - arndt,
£8.39 · Buy It Now
» View details on eBay #sponsoredM12 12mm part - /,
£4.38 · Buy It Now
» View details on eBay #sponsoredExtra long hex key allen - long, bit
£29.23 · Buy It Now
» View details on eBay #sponsoredM12 cap screws - (12mmØ),
£349.39 · Buy It Now
» View details on eBay #sponsoredM12 12mmø cap screws - m12,
£117.81 · Buy It Now
» View details on eBay #sponsored10x hex key allen bit - 10x, h1.5-12
£3.59 · Buy It Now
» View details on eBay #sponsoredDraper 12mm metric hexagon key - draper,
£6.34 · Buy It Now
» View details on eBay #sponsored12mm hex key bit allen - hex,
£3.99 · Buy It Now
» View details on eBay #sponsored12mm metric short arm allen - metric,
£76.24 · Buy It Now
» View details on eBay #sponsoredM12 12mmø countersunk - 12mmØ, screws
£226.76 · Buy It Now
» View details on eBay #sponsoredWerkzeug allen key - -, internal
£3.40 · Buy It Now
» View details on eBay #sponsoredArndt hex allen key zinc - hex,
£6.99 · Buy It Now
» View details on eBay #sponsoredPro tools 10pc extra - us,
£10.85 · Buy It Now
» View details on eBay #sponsored3mm 14mm all sizes hex - to,
£5.99 · Buy It Now
» View details on eBay #sponsoredCap screws hex - cap,
£22.89 · Buy It Now
» View details on eBay #sponsoredRepair hand tool hex nut - hand,
£6.99 · Buy It Now
» View details on eBay #sponsoredM12 socket cap screws - m12,
£27.58 · Buy It Now
» View details on eBay #sponsoredArndt germany allen - germany, hex
£7.99 · Buy It Now
» View details on eBay #sponsoredArndt 12mm allen key hex - 12mm,
£11.49 · Buy It Now
» View details on eBay #sponsoredChrome vanadium steel - chrome,
£16.99 · Buy It Now
» View details on eBay #sponsoredFurniture connector bolts - m6, &
£6.66 · Buy It Now
» View details on eBay #sponsoredWerkzeug allen key - key,, int
£4.75 · Buy It Now
» View details on eBay #sponsoredBgs allen keys 14 - bgs,
£6.99 · Buy It Now
» View details on eBay #sponsoredBgs allen keys 14 - -,
£9.49 · Buy It Now
» View details on eBay #sponsored12mm hex key bit - bit, socket
£4.99 · Buy It Now
» View details on eBay #sponsoredArndt germany allen key - arndt, hex
£7.99 · Buy It Now
» View details on eBay #sponsored50mm 100mm hex key - hex, bit
£37.46 · Buy It Now
» View details on eBay #sponsoredLarge hex allen key - large,
£14.95 · Buy It Now
» View details on eBay #sponsoredBgs allen key - allen, x
£10.50 · Buy It Now
» View details on eBay #sponsoredSealey piece hex allen key - piece,
£22.85 · Buy It Now
» View details on eBay #sponsoredBgs drive bits - -, (3/8")
£3.99 · Buy It Now
» View details on eBay #sponsoredM12 button head - (12mmØ),
£119.45 · Buy It Now
» View details on eBay #sponsoredMetric hex allen keys - allen, keys/hex
£6.77 · Buy It Now
» View details on eBay #sponsoredAluminium socket cap - socket, screws
£183.39 · Buy It Now
» View details on eBay #sponsoredBgs allen keys internal hex - keys,,
£5.75 · Buy It Now
» View details on eBay #sponsoredBall end allen - allen, hex
£17.99 · Buy It Now
» View details on eBay #sponsoredMetric 4mm 12mm hex - –,
£6.08 · Buy It Now
» View details on eBay #sponsored12mm hex key - 12mm, bit
£4.99 · Buy It Now
» View details on eBay #sponsoredFacom stm 2 drive - 1/2",
£26.08 · Buy It Now
» View details on eBay #sponsored12mm hex key - 12mm, socket
£5.99 · Buy It Now
» View details on eBay #sponsoredRepair hand tool - tool, nut
£7.10 · Buy It Now
» View details on eBay #sponsored12mm hex key - hex, allen
£4.99 · Buy It Now
» View details on eBay #sponsoredPro 8pc 2dr - pro, 1/2dr
£13.90 · Buy It Now
» View details on eBay #sponsoredM12 cap screws - cap, allen
£39.49 · Buy It Now
» View details on eBay #sponsored7mm 17mm allen - allen, hexagon
£80.47 · Buy It Now
» View details on eBay #sponsoredHex allen keys 5mm 2mm - allen, 2.5mm
£66.99 · Buy It Now
» View details on eBay #sponsoredCap screws socket - m5,
£4.55 · Buy It Now
» View details on eBay #sponsoredBgs allen key ball - bgs,
£9.49 · Buy It Now
» View details on eBay #sponsoredBgs allen key 19 - allen, mm
£10.25 · Buy It Now
» View details on eBay #sponsored2pc 12mm 75mm - 2pc,
£6.99 · Buy It Now
» View details on eBay #sponsoredHexagon key hex wrench allan - key,
£5.78 · Buy It Now
» View details on eBay #sponsoredAllen hex key - allen,
£3.89 · Buy It Now
» View details on eBay #sponsoredBgs 12 mm allen - allen, key
£14.75 · Buy It Now
» View details on eBay #sponsoredCap screws allen - m8,
£20.34 · Buy It Now
» View details on eBay #sponsoredLaser 60mm long metric hex - laser,
£5.68 · Buy It Now
» View details on eBay #sponsoredHex key drive quick - key, release
£96.32 · Buy It Now
» View details on eBay #sponsoredLong regular allen key hex - long,
£10.49 · Buy It Now
» View details on eBay #sponsoredPro 10pc impact hex - pro, socket
£14.95 · Buy It Now
» View details on eBay #sponsoredMetric hydraulic allen key - hydraulic,allen,
£5.30 · Buy It Now
» View details on eBay #sponsored12mm hexagon short arm - short,
£7.59 · Buy It Now
» View details on eBay #sponsoredHigh quality hand tool hex - hand, nut
£6.12 · Buy It Now
» View details on eBay #sponsoredWera hex ball - hex, end
£10.25 · Buy It Now
» View details on eBay #sponsoredDrive hex allen key - hex, /
£6.99 · Buy It Now
» View details on eBay #sponsored12mm hex key - hex,
£8.99 · Buy It Now
» View details on eBay #sponsoredM8 button head - m8,
£3.49 · Buy It Now
» View details on eBay #sponsoredPro 13pc 8 - 1/4, hex
£10.85 · Buy It Now
» View details on eBay #sponsoredBluespot 9pc impact - bluespot,
£9.29 · Buy It Now
» View details on eBay #sponsoredCap screws allen - (5mmØ),
£3.35 · Buy It Now
» View details on eBay #sponsored3mm 14mm all sizes - 3mm,
£6.99 · Buy It Now
» View details on eBay #sponsoredM12 12mm grade - m12, zinc
£4.31 · Buy It Now
» View details on eBay #sponsoredM10 10mmø cap screws - cap, hex
£72.27 · Buy It Now
» View details on eBay #sponsored4mm 24mm all sizes - 24mm,
£8.99 · Buy It Now
» View details on eBay #sponsored12mm hex key bit allen - key,
£4.99 · Buy It Now
» View details on eBay #sponsored6mmø cap screws - cap, key
£4.49 · Buy It Now
» View details on eBay #sponsoredJumbo hex keys allen key - keys,
£19.95 · Buy It Now
» View details on eBay #sponsored10x hex key - h1.5-12,
£4.39 · Buy It Now
» View details on eBay #sponsoredM8 m10 flanged - m6,
£3.59 · Buy It Now
» View details on eBay #sponsored12mm hex bit - chrome, vanadium
£1.99 · Buy It Now
» View details on eBay #sponsoredAluminium socket cap screws - m4,
£186.57 · Buy It Now
» View details on eBay #sponsoredHex allen keys - hex, 2mm
£3.89 · Buy It Now
» View details on eBay #sponsoredFlanged button head - m6, (6mmØ)
£2.95 · Buy It Now
» View details on eBay #sponsoredExtra long ball end allen - allen, key
£22.55 · Buy It Now
» View details on eBay #sponsoredSocket cap screws - socket,
£35.11 · Buy It Now
» View details on eBay #sponsoredLooking for more 12mm hex key?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 12mm hex key listings currently in our index. Prices range from £1.99 to £349.39, with an average of £29.17. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 12mm hex key →
Try this: 1275 pistons | 125cc automatic scooter | 12v 2 pin plug | 125cc chopper | 12v freezer | 12v battery charger lead acid | 12v caravan plug | 12v rectifier | 12v temperature gauge | 12v heater element
Whether you are looking for a brand-new or second-hand 12mm hex key, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.99, while premium listings can reach £349.39 — giving you a wide budget spread to work with. The average price of £29.17 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.