3 8 allen key
3 8 allen key for sale on Ireland's largest auction and classifieds sites
3 8 unc - 5/16", - £202.24
Unc button head • Socket screws stainless • Thread pattern manufactured - Free postage - New and Used
Unc button head • Socket screws stainless • Thread pattern manufactured - Free postage - New and Used
1 2 unc cap - 5/16", - £49.56
Unc socket cap • Screws stainless steel • Manufactured from grade - Free postage - New and Used
Unc socket cap • Screws stainless steel • Manufactured from grade - Free postage - New and Used
M8 m10 low head - m3, m5 - £98.45
Allen key • Low head cap • Screws stainless steel - Free postage - New and Used
Allen key • Low head cap • Screws stainless steel - Free postage - New and Used
M8 m10 flanged - m3, m5 - £64.95
Allen key • Flanged button head • 5mm grade 10.9 - Free postage - New and Used
Allen key • Flanged button head • 5mm grade 10.9 - Free postage - New and Used
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Draper metric hexagon allen - metric, - £32.54
Bookmark - Free postage - New and Used
Bookmark - Free postage - New and Used
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48 listings · from £1.19 · avg £34.17
⚠️ These listings were last updated more than 11 days ago.
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Browse 48 3 8 allen key listings currently in our index. Prices range from £1.19 to £265.8, with an average of £34.17. 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 3 8 allen key →
8 1 2 unc - 1/4, cap - £91.79
Allen key • Unc cap head • Socket screws thread - Free postage - New and Used
Allen key • Unc cap head • Socket screws thread - Free postage - New and Used
Bondhus allen key handle - bondhus, 6" - £11.34
This handle hex • Driver from bondhus • Perfect any project - Free postage - New and Used
This handle hex • Driver from bondhus • Perfect any project - Free postage - New and Used
Unc cap screws allen - cap, - £91.79
Unc socket cap • Screws allen key • High tensile grade - Free postage - New and Used
Unc socket cap • Screws allen key • High tensile grade - Free postage - New and Used
Bluespot impact allen - bluespot, key - £11.49
Bluespot 5pc jigsaw • Blade set shank • Clean fast cut - Free postage - New and Used
Bluespot 5pc jigsaw • Blade set shank • Clean fast cut - Free postage - New and Used
Pro 8pc long ball - 8pc, - £11.95
Drive will fit • Ratchet bar etc • 140mm total length - Free postage - New and Used
Drive will fit • Ratchet bar etc • 140mm total length - Free postage - New and Used
30pcs allen wrench - 30pcs, - £13.49
Wrench tolerance range • 0.3mm within 5mm • 0.5mm above tacklife - Free postage - New and Used
Wrench tolerance range • 0.3mm within 5mm • 0.5mm above tacklife - Free postage - New and Used
Allen key torx hex - key, - £10.29
Piece multi functional • Bit set versatile • Repairs this comprehensive - Free postage - New and Used
Piece multi functional • Bit set versatile • Repairs this comprehensive - Free postage - New and Used
1 2 unf - unf, screws - £265.80
Unf socket cap • Allen key • High tensile grade - Free postage - New and Used
Unf socket cap • Allen key • High tensile grade - Free postage - New and Used
Bondhus piece imperial - bondhus, - £15.49
Bondhus 13pc ball • End imperial hex • Key set screws - Free postage - New and Used
Bondhus 13pc ball • End imperial hex • Key set screws - Free postage - New and Used
Impact hex bit - impact, sockets - £11.95
H2.5 h5.5 h10 • Blue spot tools • Pce impact hex - Free postage - New and Used
H2.5 h5.5 h10 • Blue spot tools • Pce impact hex - Free postage - New and Used
3 8 unc cap - 1/4", 3/8" - £33.32
Unc socket cap • Screws stainless steel • Manufactured from grade - Free postage - New and Used
Unc socket cap • Screws stainless steel • Manufactured from grade - Free postage - New and Used
Imperial short arm - short, allen - £72.95
Imperial short length • Allen keys all • Sized socket drive - Free postage - New and Used
Imperial short length • Allen keys all • Sized socket drive - Free postage - New and Used
40pc hex torx star - hex, - £9.49
Hex screwdriver bits • Screwdrivers pieces pcs • Are arranged sequentially - Free postage - New and Used
Hex screwdriver bits • Screwdrivers pieces pcs • Are arranged sequentially - Free postage - New and Used
M8 button head - m5, m6 - £41.19
Allen key • Screws stainless steel • Improved corrosion resistance - Free postage - New and Used
Allen key • Screws stainless steel • Improved corrosion resistance - Free postage - New and Used
Unc cap screws stainless - unc, - £46.79
Unc socket cap • Screws stainless stee • Threads pattern unified - Free postage - New and Used
Unc socket cap • Screws stainless stee • Threads pattern unified - Free postage - New and Used
Pro 7pc dr long ball - us, - £9.23
Pro industrial extendable • Ratchet 630mm 1000mm • 4168 sizes 10mm - Free postage - New and Used
Pro industrial extendable • Ratchet 630mm 1000mm • 4168 sizes 10mm - Free postage - New and Used
Hex bit socket - bit, set - £8.90
Berlin tools piece • Drive hex bit • Socket set h12 - Free postage - New and Used
Berlin tools piece • Drive hex bit • Socket set h12 - Free postage - New and Used
Bondhus allen key - allen, - £11.91
Bondhus hlx13 hex • Key 13pcs imperial • Set 0.050 12137 - Free postage - New and Used
Bondhus hlx13 hex • Key 13pcs imperial • Set 0.050 12137 - Free postage - New and Used
Pro impact hex bit - us, sockets - £8.95
Sizes h10 steel • Bit supplied storage • Carry tray - Free postage - New and Used
Sizes h10 steel • Bit supplied storage • Carry tray - Free postage - New and Used
Sealey piece hex allen - sealey, key - £22.85
Sealey piece hex • Allen key socket • Bit set 4mm - Free postage - New and Used
Sealey piece hex • Allen key socket • Bit set 4mm - Free postage - New and Used
Hex bit socket set 9pc - hex, - £7.31
Versatile compatibility fits • Any drive ratchet • Use portable organized - Free postage - New and Used
Versatile compatibility fits • Any drive ratchet • Use portable organized - Free postage - New and Used
7 32 1 4 - 3/16", 7/32" - £63.49
- Free postage - New and Used
- Free postage - New and Used
Various size allen keys - size, - £54.99
Various allen keys • Hexagon 2.5 - Free postage - New and Used
Various allen keys • Hexagon 2.5 - Free postage - New and Used
3mm stainless - 3mm, m3 - £2.85
3mm stainless countersunk • Csk socket screw • Allen key bolts - Free postage - New and Used
3mm stainless countersunk • Csk socket screw • Allen key bolts - Free postage - New and Used
Piece hex keys - piece, wrench - £7.89
Hex key wrenches • Long arm sae • Keys 0.05 0.035 - Free postage - New and Used
Hex key wrenches • Long arm sae • Keys 0.05 0.035 - Free postage - New and Used
Arndt germany imperial hex key - arndt, - £6.29
Arndt regular imperial • Black key sizing • Decimals not fractions - Free postage - New and Used
Arndt regular imperial • Black key sizing • Decimals not fractions - Free postage - New and Used
Arndt security allen - arndt, - £5.99
Security allen key • Arndt germany tamper • 2.5mm 8mm made - Free postage - New and Used
Security allen key • Arndt germany tamper • 2.5mm 8mm made - Free postage - New and Used
Pro impact hex bit sockets - hex, - £9.00
Sizes h10 steel • Bit piece drive • Socket set supplied - Free postage - New and Used
Sizes h10 steel • Bit piece drive • Socket set supplied - Free postage - New and Used
Pro tools 30pc metric - pro, - £10.94
Pro tools ratchet • Strap tie down • 4.6m 25mm load - Free postage - New and Used
Pro tools ratchet • Strap tie down • 4.6m 25mm load - Free postage - New and Used
Allen alan allan hex - alan, / - £11.64
High quality allen • Hex keys drive • Bar etc includes - Free postage - New and Used
High quality allen • Hex keys drive • Bar etc includes - Free postage - New and Used
Draper extra long pce - draper, - £13.07
Ball type hexagon • Key used angle • From screwhead recess - Free postage - New and Used
Ball type hexagon • Key used angle • From screwhead recess - Free postage - New and Used
Bondhus allen keys - allen, ball - £7.18
Bondhus allen keys • These shaped hex • Are must have - Free postage - New and Used
Bondhus allen keys • These shaped hex • Are must have - Free postage - New and Used
10x hex key allen - 10x, bit - £2.99
100mm 3.94 length • Longer than market • Ones more practical - Free postage - New and Used
100mm 3.94 length • Longer than market • Ones more practical - Free postage - New and Used
Unc button head screws - head, - £19.03
Unc button head • Socket screws stainless • Thread pattern manufactured - Free postage - New and Used
Unc button head • Socket screws stainless • Thread pattern manufactured - Free postage - New and Used
Unc cap screws self - 3/8", - £6.57
Unc socket cap • Screws bolts are • Uncoated self colour - Free postage - New and Used
Unc socket cap • Screws bolts are • Uncoated self colour - Free postage - New and Used
Bgs allen key - allen, hex - £4.99
Bgs pro range • Internal hex drive • Allen key 2576 - Free postage - New and Used
Bgs pro range • Internal hex drive • Allen key 2576 - Free postage - New and Used
Bgs allen key sae - bgs, - £4.25
Allen key internal • Bgs pro range • Hex sae imperial - Free postage - New and Used
Allen key internal • Bgs pro range • Hex sae imperial - Free postage - New and Used
Hilka drive hex - 3/8", - £9.99
Hilka pro craft • Piece drive hex • Lifetime guarantee sizes - Free postage - New and Used
Hilka pro craft • Piece drive hex • Lifetime guarantee sizes - Free postage - New and Used
Unf button head - button, screws - £84.75
Unf button head • Screws stainless steel • Improved corrosion resistance - Free postage - New and Used
Unf button head • Screws stainless steel • Improved corrosion resistance - Free postage - New and Used
Allen hex key loose - allen, 1.5mm - £1.19
Shorts allen keys • Sizes add your • Favourites list - Free postage - New and Used
Shorts allen keys • Sizes add your • Favourites list - Free postage - New and Used
Impact hex allen key - impact, - £9.99
Manufactured from heat • Treated chrome vanadium • Increased durability bits - Free postage - New and Used
Manufactured from heat • Treated chrome vanadium • Increased durability bits - Free postage - New and Used
Unf button head screws - head, - £36.88
Unf button head • Screws stainless steel • Improved corrosion resistance - Free postage - New and Used
Unf button head • Screws stainless steel • Improved corrosion resistance - Free postage - New and Used
8pc metric allen - 8pc, set - £9.99
Tools crafted german • Precision since 1965 • Perfect fit tiny - Free postage - New and Used
Tools crafted german • Precision since 1965 • Perfect fit tiny - Free postage - New and Used
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Everything you need to know about 3 8 allen key
Whether you are looking for a brand-new or second-hand 3 8 allen key, eBay offers one of the largest selections available online. With 48 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 £1.19, while premium listings can reach £265.8 — giving you a wide budget spread to work with. The average price of £34.17 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.