Vermont Gage 371141050

Product Highlights

• Inch go and no-go plug gage set for inspecting pitch diameter and functional threads of internally threaded parts
• Made from Rockwell c scale (Rc) cold stabilized tool steel 60/62 for durability
• Supplied with a certificate of accuracy traceable to National Institute of Standards and Technology (NIST)
• Class X tolerance per ANSI B1.2 for unified inch screw threads
• Size Name 1/2"-20 UNF
• Thread Style 2A