1/4x28 UNF LEFT HAND Chaser set (1/2" - 12mm Coventry diehead) S20 grade
Product Code: ES-7953
LEFTHAND 1/4.28 UNF High Speed Steel chasers die sets for 1/2" (12mm) coventry diehead S20 grade for free cutting steels Note: These thread chasers also fit Herbert diehead copies such as Rubometric & OSGVisit the JLS Supplies Ltd website for more information on 1/4x28 UNF LEFT HAND Chaser set (1/2" - 12mm Coventry diehead) S20 grade