1/2" BSW High Speed Steel Bottoming Tap 16400A60 Clutch discs

Clutch discs

Confirm with manufacturers specifications on the thread reach of the spark plug Clean surface around gasket seat / spark plug hole to remove any dirt

Tapered entry enables socket to easily seat on a damaged fastener

Self levelling

Taper thread diameter increases or decreases along the length of the thread

1/2" BSW High Speed Steel Bottoming Tap 16400A60 Clutch discsFor producing precision threads by hand tapping, ideal for finishing blind holes General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 12 Overall length 89mm Cutting length 29mm Drill diameter 10. 5mm