Screw machine length drills are popular in the automotive and construction industries. Short flute and overall length provide maximum rigidity. Often used in a screw machine setup where spindle clearance is limited.
Parabolic Flute drills are for hole drilling at higher feed rates in aluminum alloys and other low to medium tensile strength materials.
Warning:This product may expose you to chemicals including Cobalt, a chemical known to the State of California to cause Cancer. For more information go to www.P65Warnings.ca.gov