1/8" BSP Coventry Die Head Chasers HSS (5/16" Diehead) S20 grade for free cutting steels
Specification High Speed Steel chaser die set for 5/16" (8mm) coventry diehead 1/8".28 pipe threads Note: These thread chasers also fit Herbert diehead copies such as Rubometric & OSG Part Number ES-7920Visit the JLS Supplies Ltd website for more information on 1/8" BSP Coventry Die Head Chasers HSS (5/16" Diehead) S20 grade for free cutting steels