For using different threaded components together
PART # THREAD DIA. HT. A
R20-6-SOA 1/4"-20 1.0" 1.0" 6mm
R20-8-SOA 1/4"-20 1.0" 1.0" 8mm
R20-10-SOA 1/4"-20 1.0" 1.0" 10mm
R20-12-SOA 1/4"-20 1.0" 1.0" 12mm
PART # THREAD DIA. HT. A
R20-516-SOA 1/4"-20 1.0" 1.0" 5/16"-18
R20-38-SOA 1/4"-20 1.0" 1.0" 3/8"-16
R8-14-SOA M8 25mm 25mm 1/4"-20