Spade drill for hard material
Spade drill insert having curved cutting edges
Spade drill insert having helical margins
Spade drill insert having helical margins
Spade-type boring bit having chamfered corner portions
Spade-type drill bit apparatus and method
Spade-type drill bit having helical configuration
Spindlehead with spindle driving motor
Spiral drill
Spiral drill
Spiral drill
Spiral drill bit and method of forming same
Spiral flute tap
Split-point twist drill
Spot and chamfer drill insert
Spot drill with indexable replaceable insert
Spot drilling insert
Spot-weld removing tool
Spotweld removal tool
Spring loaded automatic plug ejector or hole saws