Feature(may vary by option.)
●All of our drill bits are ground from the solid, which has a positive effect on accuracy, chip removal and service life
●Shaft diameter = cutting edge diameter
●DIN 340
●Precision ground
●At least twice the service life for HSS 4251
[8.5]
Description
An extra long twist drill bit is a tool used to drill deep and precise holes in various materials such as wood, metal or plastic. It consists of a longer shank on which there is a spiral cutting head that penetrates the materials. Unlike conventional twist drills that come in a limited length, the longer shank of the extra long twist drill allows drilling deeper and more precise holes.