Our base HSS drill bit,manufactured with 4241 high speed steel.It is an economical low alloy high-speed steel with good red hardness, good toughness and thermal plasticity.
Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance.
135° Split Point(1/8"-1/2") with straight shank prevents walking and makes drilling precise.
Jobber length (standard length) drill bits