Norton sharpening stones have long been recognized for producing clean, sharp edges on cutlery, wood working tools, and other precision tools and instruments. The Norton India Aluminum Oxide Square File 4 x 3/8 Inch MF34 Medium Grit is a versatile gunsmithing and tool maintenance stone engineered for precision work. India Stones are made of aluminum-oxide abrasive baked in a furnace and are orange/brown in color.
The Norton India AO Square File is ideal for a variety of applications, including dimensioning keyways to maintain fit, stoning faces on router bits, touching-up edges of reamer teeth, lapping/honing to close tolerances to produce the finest edge on precision instruments, die work and delicate tools. With the smooth cutting aluminum oxide abrasive, you can quickly produce a strong, keen, long-lasting edge and uniform finish while retaining the shape of the file.
The 4 x 3/8-inch square profile makes this stone particularly effective for working in confined spaces and accessing tight corners. These stones are preferred for producing exceptionally keen long-lasting edges, and for precision, tool steel work. Made in USA, this durable gunsmithing stone is a reliable choice for maintaining and sharpening tools that demand professional results.




