10 Used #30 (.128) Cobalt HSS Drill Bits 12" Extension – Aircraft Aviation Tools Manufacturer Regrind

These are for the aviation mechanics and serious DIYers.

You get 10 used #30 drill bits, size .128 inches, with a 12-inch extension length.

They're HSS/cobalt, so they hold up to tough materials.

Seller notes say \Manufacturer Regrind,\ meaning they were sharpened by the maker, so they're good as new for cutting.

Made in USA, brand unbranded.

Application is cutting metal, specifically for aircraft and aviation use.

Model is #30.

They're used but in solid shape.

No UPC.

If you need long reach bits for tight spots or deep holes, these are handy.

Cobalt handles heat better than standard HSS.

Stock up for the shop.