Without Spring Back to Products Part No. Size Thread Pitch Thickness N-800 1/4″ (6mm) 20 1/4″ (6mm) N-801 3/8″ (10mm) 16 3/8″ (10mm) N-802 1/2″ (12mm) 13 3/8″ (10mm) N-803 1/2″ (12mm) 13 1/2″ (12mm) N-804 5/8″ (16mm) 11 7/16″ (11mm) N-805 3/4″ (18mm) 10 7/16″ (11mm) N-806 5/8″ (16mm) 11 3/8″ (10mm) N-807 3/4″ (18mm) 10 3/8″ (10mm) N-808 5/16″ (8mm) 18 3/8″ (10mm) N-809 7/8″ (22mm) 9 7/16″ (11mm) Contact us