For over 50 years, T.J. Davies Company, Inc. has earned and retained the trust of our customers. Our retention knobs and retention knob sockets exceed industry standards. Please see specs on this part number below.

Category CAT 30
Part Number(s) PSC-575
Overall Length 1.100
Thread Size 1/2"-13
Taper CAT 30
Knob Angle 45 Degree
Knob Diameter 0.520
Flange to end of Knob 0.460
Flange to Beginning of Tap 0.320
Neck Diameter 0.385
Socket Size RKS-CAT30
Solid PS-575
Through Coolant PSC-575
O-Ring No
Spec Sheet (PDF format) Full Scale

If metric threads are required, the part number is PSCM-575.

If a pilot is required, the part number is PSCP-575.