M12x1 | Fine Thread Ring Gauge | 4129-12PFeatures: Go Go and no go gauges are supplied separately. Meet ISO1502 Well designed, durable high precision tools that are suitable for various measuring ranges. INSIZE thread ring gauges are the perfect instrument for determining the diameter of a wide range of components. Easy to use adjustable ring gauges to measure the outside diameter of threads.

Nominal diameter: M52

🔹 Shank Diameter: 1/4" – Ensures compatibility with a wide range of rotary tools and grinders for secure operation

Interior: 1115x459x141Exterior: 1147x520x175

efficient material removal and smooth finishes

slot width

and DIY repairs

Whether used in CNC setups

detailed cutting in non-ferrous metals

Solid Carbide and Spiral Threadmills engineered for performance

75 mm (32–15 TPI)

and consistency

and shaping in tight and hard-to-reach areas