3/8x19 NPT Chaser set 3/8.19 NPT (1/2" Diehead) S20 grade for free cutting steels

Chaser die set for 1/2" (12mm) coventry diehead Chasers Note: These thread chasers also fit Herbert diehead copies such as Rubometric & OSG

For more information on 3/8x19 NPT Chaser set 3/8.19 NPT (1/2" Diehead) S20 grade for free cutting steels talk to JLS Supplies Ltd