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breaking edges and abrasive grinding
3/4" for greater water flow
/min to match the speed to the application
Strong lasting bond
IRWIN 1882785 1/4 x 4-3/4" Steel Countersink Drill Bit Industrial Tools & Instruments breaking edges and abrasive grindingIRWIN wood countersinks feature a tapered drill and wide flutes that drill fast, clean pilot holes. They have an adjustable four cutter counter bore attachment that cuts fast. Key Features: Ensures a tight fit for screws The counter bore feature attaches flats on shank with two hex screws for a secure fit, and can be adjusted for controlled pilot hole dept Clears chips quickly for fast, smooth countersinking applications Fits all standard 1 4 In.
