1/8x27 NPT Chaser set 18.27 NPT (1/2" Diehead) S20 grade for free cutting steels
Specification Chaser die set for 1/2" (12mm)coventry diehead Chasers Note: These thread chasers also fit Herbert diehead copies such as Rubometric & OSG Part Number ES-7143Visit the JLS Supplies Ltd website for more information on 1/8x27 NPT Chaser set 18.27 NPT (1/2" Diehead) S20 grade for free cutting steels