4mm Hex Keys

Find the largest selection of hex keys on Buildiro. Whether you are looking for a cheap 4mm 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: 4mm
We found 26 products
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Expert by Facom Short Hexagon Allen Key Metric - 4mm
Expert by Facom Short Hexagon Allen Key Metric - 4mm
from £1.24
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
Magnusson 18 piece Hex key Set
Magnusson 18 piece Hex key Set
from £14.95
Draper Ball End Hexagon Allen Key Metric - 4mm
Draper Ball End Hexagon Allen Key Metric - 4mm
from £1.50
Draper Hexagon Allen Key Metric - 4mm
Draper Hexagon Allen Key Metric - 4mm
from £0.55
Facom 84TC T Handle Hexagon Allen Key Metric - 4mm
Facom 84TC T Handle Hexagon Allen Key Metric - 4mm
from £18.95
Expert by Facom Long Ball End Hexagon Allen Key Metric - 4mm
Expert by Facom Long Ball End Hexagon Allen Key Metric - 4mm
£2.49 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
Facom VSE Series Insulated Hexagon Allen Key Metric - 4mm
Facom VSE Series Insulated Hexagon Allen Key Metric - 4mm
£19.95 Tooled-Up
Draper Extra Long Hexagon Allen Key Metric - 4mm
Draper Extra Long Hexagon Allen Key Metric - 4mm
from £1.09
Faithfull 9 Piece Ball End Hexagon Allen Key Set Metric
Faithfull 9 Piece Ball End Hexagon Allen Key Set Metric
from £19.95
Bahco 7 Piece Folding Hexagon Allen Key Set Metric
Bahco 7 Piece Folding Hexagon Allen Key Set Metric
from £20.00
Faithfull Ball Ended T-Handle Hexagon Key - 4mm
Faithfull Ball Ended T-Handle Hexagon Key - 4mm
from £5.49
Magnusson 6 piece Hex key Set
Magnusson 6 piece Hex key Set
from £16.63
Sirius Long Hexagon Allen Key Metric - 4mm
Sirius Long Hexagon Allen Key Metric - 4mm
£0.95 Tooled-Up
Magnusson 8 piece Foldable Hex key Set
Magnusson 8 piece Foldable Hex key Set
from £7.18
Faithfull 8 Piece Folding Ball End Hexagon Allen Key Set Metric
Faithfull 8 Piece Folding Ball End Hexagon Allen Key Set Metric
from £17.95
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
Magnusson 9 piece Hex key Set
Magnusson 9 piece Hex key Set
from £8.76
Draper Expert T Handle Ball End Hexagon Allen Key Metric - 4mm
Draper Expert T Handle Ball End Hexagon Allen Key Metric - 4mm
from £4.30
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