M8-M20 (5/16-3/4) Auto-Reversing Tapping Head Jsn20

Key Features

• Capable of tapping M8 (5/16) to M20 (3/4)
• Employing a chatter-free clutch with a unique double spring design
• cushion drive easily allowing a pre-tapped hole to be re-aligned, eliminating cross threading
• Simple to install (arbors supplied separately)
• Included With The Tapping Head: 2 x Rubber Flex Collets, Collet chuck spanners & allen keys
• Head mounting - M20 thread