½” NPS Geometric Thread Chasers 3/4” D PRO, NOS!
I picked these up at auction from a large local machine shop that went under. These are new old stock.
Style: ¾” D Pro
To Cut: ½” NPS
Chamfer: 45 Deg.
Face Grind: 5 Deg. Snub
Material: Cast
EDP: Brass