3/16” (Dia 4.76mm) x2-5/16” (Flute Length 58.74mm) Metal Drill Bits. This drill bit fits the majority of power drill currently on the market.
Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed.