UNF Thread chasers available from stock. Chasers are suitable for free cutting steels right hand threads. Please contact us for chasers to suit other materials, left hand threads and non standard threads.
LEFTHAND 7/16" 20tpi Chasers die set for 1/2" (12mm) coventry diehead Note: These thread chasers also fit Herbert diehead copies such as Rubometric & OSG