| Motorcycle Allen Screws Socket Screw or Cap Screws also known as Allen Bolt or Allen Screws or Hexagon Socket Screw. Allen Screw Plugs Chrome Allen Screw Caps Stainless Steel Socket Screws Countersunk Socket Screws Stainless Steel Allen Screws Stainless Steel Allen Button Head Screws Stainless Steel Socket Button Head Screws. Allen cap screws need an allen key to do them up. They are ideal as a nice looking alternative to hex set or pan head screws, for example on a crankcase side or a flywheel cowling. Also they may deter the casual thief as any screw can be undone with a screwdriver or adjustable spanner whereas not everyone carries allen keys around. The length refers to the length of the threaded section only. The other size is the thread size NOT the size of the allen key for adjusting it. As a guide the following information may be helpful. A 5mm allen cap screw needs a 4mm allen key. A 6mm allen cap screw needs a 5mm allen key. A 7mm allen cap screw needs a 5mm allen key. An 8mm allen cap screw needs a 6mm allen key. A 10mm allen cap screw needs an 8mm allen key. A 6mm countersunk socket screw needs a 4mm allen key |
