Diablo's Metal Demo Drill Bits redefining metal drilling by eliminating the need to carry multiple types of bits as the Metal Demon range's exclusive design delivers maximum durability, superior performance, longer life in mild, hardened, and stainless steels. A 130-degree Hybrid Split Point Tip design enables fast, on-point starts. Diablo's proprietary Thermal Shield Protective Coating creates a multi-layered protective barrier around the tip to shield against heat, increase life and maximize durability. An automated precision CNC grinding process ensures strict industrial standard angle tolerances to minimize bit wear and enable faster drilling. The optimized flute design removes metal debris faster, keeping the tip cooler for ultimate strength and durability in all metal drilling applications. A 3-Flat shank design prevents slippage for accurate hole drilling.