1/2-20 UNF LEFT HAND Coventry Die Head Chaser sets HSS set 1/2x20 (Suitable for 1/2 Diehead) S20 grade for free cutting steels
UNF HSS Coventry Chasers > j) 1/2-20 UNF LEFT HAND Coventry Die Head Chaser sets HSS set 1/2x20 (Suitable for 1/2 Diehead) S20 grade for free cutting steels
LEFTHAND 1/2" 20tpi High Speed Steel chaser die set for 1/2" (12mm) coventry diehead Note: These thread chasers also fit Herbert diehead copies such as Rubometric & OSG