Chuck Key 10mm and 13mm Variants (3/8" and 1/2")
Chuck keys can be used with all chucks with the matching specification including machine tool chucks i.e lathes, pillar drills etc.
The Chuck key is made from SAE 1008 steel hardened and tempered.
The 3/8 of an Inch (10mm) Chuck Key has 11 Teeth, and is suitable for heavy duty chucks with a 10mm (approx.) pilot hole.
The 1/2 of an inch (13mm) Chuck Key has 10 Teeth, and is suitable for heavy duty chucks with 13mm (approx.) pilot hole.