Basic Salvo Roll Styles

Type SC-1	Standard Roll Full length thread working face except for drive slot area. Short Hub - .030" long Slot Hub - .156" long Standard T.L. CBL* - .812 BBL - 1.062 DBL - 1.312	Type SC-2	Shorter Thread Length Than Standard
Type SC-3	Long Hub on Collet Side Standard drive Hub on one end.	Type SC-4	Rolls Have Narrow Working Face In Center
Type SC-5	For Rolling Both Ends of a Part Having Same Size and Pitch of Threads at Each End Standard drive slots.	Type SD-1	Maxium Thread Possible on Rolls Drive slots recessed one end only. Standard T.L. CBL* - .890 BBL - 1.140 DBL - 1.390
Type SD-3	Long Hub on Collet Side Recessed slot.	Type SD-5	Straddle Type for Rollig Same Size and Pitch on Both Ends of Part Recessed slot one end only.
Type SCR-1	Reversible Type Roll Maximum thread length with standard slots both ends. Standard T.L. CBL* - .688 BBL - .938 DBL - 1.188	Type SCR-4	Reversible Type Roll Standard slots both ends.
Type SCR-5	Reversible Type Rolls for Narrow Thread Behind Shoulder Standard slots both ends.	Type SDR-1	Maximum Roll Thread Face Recessed slots both ends. Standard T.L. CBL* - .800 BBL - 1.050 DBL - 1.300
Type SDR-5	Straddle Type Recessed slots both ends. Modification of SCR-5.	Type SQ-2	Taper Rolls for Rolling Pipe Threads in Attachments Using Parallel Roll Pins Not Set at Pipe Angle Large end of thread on part next to collet.
Type SK-2	Taper Rolls for Rolling Pipe Threads in Attachments Using Parallel Roll Pins Not Set at Pipe Angle Small end of thread on part next to collet. Standard slots one end.	Type SS-1	Straight Rolls for Rolling Pipe Threads in Attachments with Roll Pins set at Pipe Angle Standard slots one end.