Cobalt Steel Drill Bit, 5/16-In. Lawn & Garden Collection Keeps water flowing at ambient

Keeps water flowing at ambient temperatures down to -40 °F (-40 °C)

and re-threads

double-tempered finish reduces breakageHot isostatically pressed to extend life and resist breakageCopper braze material gives high heat resistance for reduced tip lossAll tips made to ANSI specifications

frees stuck nuts

Cobalt Steel Drill Bit, 5/16-In. Lawn & Garden Collection Keeps water flowing at ambient135 degree split point to minimize walk. Cobalt for higher heat & abrasion resistance. Heavy duty web construction for strength & durability. For tough metal drilling, including heavy duty abrasive, alloy metal drilling on hardened steel.