types drill bits Flashcards
most common type of drill bit and are used for everyday drilling in all types of material.
Twist Drills
most common tip style used for general purpose drills.
Conventional drill point
usually used for curved surfaces and alloy steels
Split point drill
special high angle tip used on drill bits for automated woodboring machines.
V point
used for creating blind holes in wood and other soft materials for shelf pins, dowels, etc.
Brad point
used as center drills in counterbores for furniture assembly where panels must be joined at right angles
Fish Tail point
use to create tapered hole.
tapered point
creates a flat bottom blind hole with a smaller diameter center hole that penetrates through the material.
Counterbore drill bits
-similar to counterbores but do not include a center drill
-also used for drilling large diameter thru-holes without the plug that is typical when using a hole saw.
Flat bore drills