1/2.13 UNC LEFT HAND Coventry Die Head Chaser sets HSS set 1/2x13 (Suitable for 1/2 Diehead) S20 grade for free cutting steels
UNC HSS Coventry Chasers > i) 1/2.13 UNC LEFT HAND Coventry Die Head Chaser sets HSS set 1/2x13 (Suitable for 1/2 Diehead) S20 grade for free cutting steels
LEFTHAND Chasers die set for 1/2" (12mm) coventry diehead 1/2X13 UNC Note: These thread chasers also fit Herbert diehead copies such as Rubometric & OSG