3mm Hex Keys

Find the largest selection of hex keys on Buildiro. Whether you are looking for a cheap 3mm hex key, we’ve got you covered! Explore our amazing database of hex keys today. The same day or next day delivery available from the best UK merchants.
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  • Size: 3mm
We found 29 products
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Expert by Facom 9 Piece Long Hexagon Allen Key Set
Expert by Facom 9 Piece Long Hexagon Allen Key Set
from £18.30
Facom 6 Piece Security Hexagon Allen Key Set Metric
Facom 6 Piece Security Hexagon Allen Key Set Metric
£39.95 Tooled-Up
Facom Stainless Steel Hexagon Allen Key Metric - 3mm
Facom Stainless Steel Hexagon Allen Key Metric - 3mm
£4.49 Tooled-Up
Magnusson 18 piece Hex key Set
Magnusson 18 piece Hex key Set
from £14.95
Draper Hexagon Allen Key Metric - 3mm
Draper Hexagon Allen Key Metric - 3mm
from £0.36
Expert by Facom Metal T Handle Hexagon Allen Key Metric - 3mm
Expert by Facom Metal T Handle Hexagon Allen Key Metric - 3mm
£19.95 Tooled-Up
Sirius Long Hexagon Allen Key Metric - 1.3mm
Sirius Long Hexagon Allen Key Metric - 1.3mm
£0.49 Tooled-Up
Expert by Facom Short Hexagon Allen Key Metric - 1.3mm
Expert by Facom Short Hexagon Allen Key Metric - 1.3mm
£1.49 Tooled-Up
Facom Long Ball End Hexagon Allen Key Metric - 3mm
Facom Long Ball End Hexagon Allen Key Metric - 3mm
£3.49 Tooled-Up
Draper Expert 8 Piece T Handle Ball End Hexagon Allen Key Set Metric
Draper Expert 8 Piece T Handle Ball End Hexagon Allen Key Set Metric
from £18.07
Faithfull 9 Piece Colour Hexagon Allen Key Set Metric
Faithfull 9 Piece Colour Hexagon Allen Key Set Metric
£17.05 ManoMano UK
Draper Ball End Hexagon Allen Key Metric - 3mm
Draper Ball End Hexagon Allen Key Metric - 3mm
from £0.89
Facom 84TC T Handle Hexagon Allen Key Metric - 3mm
Facom 84TC T Handle Hexagon Allen Key Metric - 3mm
from £18.95
Draper Extra Long Hexagon Allen Key Metric - 3mm
Draper Extra Long Hexagon Allen Key Metric - 3mm
from £0.76
Facom VSE Series Insulated Hexagon Allen Key Metric - 3mm
Facom VSE Series Insulated Hexagon Allen Key Metric - 3mm
£18.95 Tooled-Up
Bahco 7 Piece Folding Hexagon Allen Key Set Metric
Bahco 7 Piece Folding Hexagon Allen Key Set Metric
from £20.00
Expert by Facom Long Ball End Hexagon Allen Key Metric - 3mm
Expert by Facom Long Ball End Hexagon Allen Key Metric - 3mm
£2.49 Tooled-Up
Draper Expert T Handle Ball End Hexagon Allen Key Metric - 3mm
Draper Expert T Handle Ball End Hexagon Allen Key Metric - 3mm
from £3.90
Magnusson 6 piece Hex key Set
Magnusson 6 piece Hex key Set
from £16.63
Magnusson 8 piece Foldable Hex key Set
Magnusson 8 piece Foldable Hex key Set
from £7.18
Sirius Long Hexagon Allen Key Metric - 3mm
Sirius Long Hexagon Allen Key Metric - 3mm
£0.95 Tooled-Up
Sirius 9 Piece Long Ball End Hex Key Set
Sirius 9 Piece Long Ball End Hex Key Set
from £8.94
Magnusson 30 piece Hex key Set
Magnusson 30 piece Hex key Set
from £16.63
Milwaukee Hand Tools 4932478621 Ball End Hex Key Set 9pce
Milwaukee Hand Tools 4932478621 Ball End Hex Key Set 9pce
£20.99 UK Tool Centre
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