HSS parabolic flute twist drill bits parabolic drills made of high speed steel or cobalt high speed steel.

HSS parabolic flute twist drill bits

Parabolic flute drills are desighed to allow deep hole drilling without frequent drill removal to clear chip.The drills perform best in low to medium tensile strength material.

Size: 0.5mm-20mm, 1/16"--3/4"

Material: high speed steel,cobalt high speed steel.

Parabolic flute twist drill bit High speed steel