Reciprocating or reversing screw and block
The screw is specially manufactured with a special nut to reciprocate at its travel ends.
RS1010-80 10mm pitch 80mm working length, 320mm in total
RS1010-100 10mm pitch 100mm working length 300mm total
RS1010-200 10mm pitch 200mm working length 400mm total
10mm diameter reversing screw is #304 stainless steel
RS2020-250 20mm pitch 250mm working length 430mm total, #45 carbon steel
RS2525-500 25mm pitch 500mm working length 700mm total, #45 carbon steel.
It's different with a normal lead screw or ball screw which is one direction no return running except you change the motor from CW to CCW vice versa.
2020 Reversing Screw Block
2525 Reversing Screw Block
Winch spooling shaft please contact us by email for a quote.