Discount Aluminium Button Insert M5 (Fits 4mm AK) Pack x5

Pro-Bolt Aluminium Button Inserts to fit into the head with 4mm Allen key – Pack x5

Pro-Bolts Aluminium Button Inserts are designed to fit neatly into the head of socket cap bolts, providing a refined, flush finish while helping to protect fastener internals.

Please note: the size listed is the size of the bolt it works with, NOT the Allen key drive, this will be one size smaller.

For use with an M5 socket cap bolt which uses a 4mm Allen key drive.

Key Features:

• Engineered FitDesigned for use with socket cap bolts featuring an Allen key drive.
• High-Tensile Anodised AluminiumLightweight, corrosion-resistant, and available in a range of vibrant colours to enhance visual appeal.
• O-Ring Seal IncludedSupplied with an O-ring to form an airtight seal and keep out dirt, dust, and moisture.
• Enhanced AestheticsIdeal for clean, professional results on exposed fasteners or detailed assemblies.
• Custom Finishing OptionsCombine with Pro-Bolt Cup Washers for a distinctive, colour-matched look.
• Multiple Sizes AvailableAvailable in a range of sizes to suit different fastener dimensions.

A simple upgrade that delivers both functional protection and a polished finish.