1/4.20 BSW LEFT HAND Chaser set 1/4x20 BSW (1/2 Diehead) S20 grade for free cutting steels
Specification LEFTHAND Chasers die sets for 1/2" (12mm) coventry diehead Note: These chasers also fit Herbert diehead copies such as Rubometric & OSG Part Number ES-7931Visit the JLS Supplies Ltd website for more information on 1/4.20 BSW LEFT HAND Chaser set 1/4x20 BSW (1/2 Diehead) S20 grade for free cutting steels