Metric Hex Key
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Metric Hex Key
Do I need to buy both Metric and Imperial versions of this hex/allen key tool?
Hi... the online toolshop I go to offers 2 sets of hex keys in both Metric and Imperial versions.
First set being imperial: Chrome vanadium. Sizes: 1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16" & 3/8"
Second set being metric: Chrome vanadium. Sizes: 2, 2.5, 3, 4, 5, 5.5, 6, 7, 8 & 10mm
Sorry if it sounds stupid but measurement stuff was never my strong point.... bombarded by different systems I turned off from it all.
I want to have Hex keys to fit stuff I might need to work with. Would the sizes between imperial and metric be the same or slightly different please. I'd buy both sets if have to.... but ofc if they are the same I'd prefer not to waste money.
Thanks.
you only need the metric sizes as imperial fixings have not been use on cars for many years. Buy top quality keys, i tend to prefer the type that you operate with a socket and ratchet as you can tap the drive all the way home before you apply any pressure, this reduces the risk of rounding of the bolt.
Craftsman® 104 Pc. Mechanic's Tool Set - Ace Hardware