5/16-3/8x24 UNJF A1 2K Thread Rolls (M42) A1 / F1 Heads
Specification Thread rolls to suit Alco & Fette thread rolling heads Part Number ES-14149Visit the JLS Supplies Ltd website for more information on 5/16-3/8x24 UNJF A1 2K Thread Rolls (M42) A1 / F1 Heads