Pratt Burnerd Operating Screw 2540-26365 For 10in Light Type Chucks
A : 1in
B : 3.3/8in
C : 1.3/16in
D : 3/8in
E : 11/32in
Thread : 6 TPI (Acme)
Please note if the end of the screw has burst open this may be due to a worn chuck key.
Part Number 2540-26365