PARLEC Retention Knob: CAT50, 1-8 Thread 5014TRK
Retention Knob: CAT50, 1-8 Thread 5014TRK. Taper Size CAT50. Angle Radius 60 degree. Interstate 1-5/8″ LOC 5/8″ Shank Diam 3-3/4″ OAL 4 Fl HSS Square. 155 Center Ct, Venice, FL 34285. Industry Recycles.