Bolt - Countersunk - Stainless Steel - A2 - 3mm x 8mm

This polished stainless steel 3mm countersunk Allen bolt is a clean replacement hardware option for vintage Japanese motorcycles / restoration projects / custom builds / and general metric hardware repair. Made from A2 stainless steel / this bolt offers strong corrosion resistance while providing a clean polished finish for visible mounting points and finished assemblies.

This countersunk bolt features a 3mm diameter with a 0.50mm thread pitch and an 8mm length. The 90 degree countersunk head is designed to sit flush or nearly flush when installed into a properly countersunk mounting hole. The internal hex drive allows installation with a 2mm Allen key or 2mm hex key.

This 3mm x 8mm countersunk Allen bolt is commonly used for small hardware applications on vintage Honda / Yamaha / Kawasaki / Suzuki / and other metric motorcycles. Possible uses include trim pieces / small brackets / electrical component mounting / switch hardware / gauge hardware / light-duty covers / control hardware / accessory mounts / and custom motorcycle hardware replacement.

Specifications include 3mm thread diameter / 0.50mm thread pitch / 8mm bolt length / 6.72mm head diameter / 1.86mm head height / 90 degree countersunk angle / and 2mm hex key size. This bolt is also searchable as a 3mm countersunk Allen bolt / M3 countersunk bolt / M3 x 8mm stainless bolt / 3mm x 8mm flat head Allen bolt / M3 x 0.50mm countersunk screw / and metric stainless countersunk hardware.

Because vintage motorcycles often use different hardware depending on model / year / mounting location / previous repairs / and hardware application / please verify your original bolt diameter / thread pitch / length / countersunk head style / countersunk angle / and application before ordering. Sold individually - please select the desired quantity on this page.

Fits many applications requiring a metric 3mm diameter countersunk Allen bolt with 0.50mm pitch and 8mm length including M3 x 8mm / 3mm x 8mm / M3 x 0.50mm x 8mm / polished stainless countersunk Allen bolts / A2 stainless countersunk bolts / and 90 degree countersunk metric Allen hardware.