30 BLADE 4 - 42 TPI UNF & UNC SCREWPITCH GAUGE SET

Draper
45440
+Shipping
  • Description
Draper - 30 BLADE 4 - 42 TPI UNF & UNC Screwpitch Gauge Set 45440

Folding leaves, individually stamped with accurately formed thread profiles. American National Thread UNC-UNF, in the range 4-42TPI.