Operating Screw For Pratt Burnerd 10in Acme Thread Chucks

Pratt Burnerd Operating Screw 2550-26365 For 10in Type 55 Acme Thread Chucks

A : 1in

B : 3.25/32in

C : 15/16in

D : 21/32in

E : 1/2in

Thread : 6 TPI (Acme)

Part Number 2550-26365

Please note if the end of the screw has burst open this may be due to a worn chuck key.