1/8x28 BSPT Chaser set 1/8.28 BSPT (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-7149Visit the JLS Supplies Ltd website for more information on 1/8x28 BSPT Chaser set 1/8.28 BSPT (1/2" Diehead) S20 grade for free cutting steels