Brownells Short, Piloted Barrel Liner Drill

If you can silver solder or braze your own extension onto a Liner Drill, these standard length, deep hole drills can save you money. Piloted to follow the original bore and have all the same high-grade features as our .22 Liner Drill: Deep hole flute geometry and special helix angle to prevent jamming; reinforced web for accurate hole dimensions; nitrided lands for long life. Mfg: Brownells SPECS: High speed steel. Pilot diameter/overall length; .22 – .215"/9.5", .25-20 – .248"/11", .32-20 – .302"/11.6".