M5 Specification
Outside diameter - 25mm
Thread size is M5
Inside diameter is 15mm
Overall height is 25mm
M6 Specification
Outside diameter - 28mm
Thread size is M6
Inside diameter is 16mm
Overall height is 31mm
M8 Specification
Outside diameter - 36mm
Thread size is M8
Inside diameter is 20mm
Overall height is 36mm
M10 Specification
Outside diameter - 44mm
Thread size is M10
Inside diameter is 25mm
Overall height is 45mm
M12 Specification
Outside diameter - 52mm
Thread size is M12
Inside diameter is 30mm
Overall height is 50mm
UK
We post everyday with Royal Mail 24.
Shipping is free for UK customers
We also can offer to upgrade to
RM 24 tracked or Next day guaranteed
Ireland
DHL Express (Next day - 2 days) if paid before 3pm
DHL Economy (2 - 4 days) if paid before 3pm
We may send economy if the weight above 2kg
EU
Royal Mail International Tracked ( 5 - 10 days )
DHL Express ( Next day to 2 days )