Irwin #4 - 1/8 In. Wood Countersink Round Wall Thermostat Multi-Material Drill Bit Sets Features:

Multi-Material Drill Bit Sets Features:

Soft-grip handle design offers increased gripping surface and comfort

Especially useful where larger wheels will not fit or where small abrasive wheels wear out too quickly

1 safety standards

5/8"-11 Spindle

Irwin #4 - 1/8 In. Wood Countersink Round Wall Thermostat Multi-Material Drill Bit Sets Features:Replacement tapered drill bits with widened flutes for drilling fast, clean pilot holes. Adjustable 4 cutter counterbore cuts and clears chips quicker for fast, smooth countersink or counterbore drilling. Attaches and adjusts with 2 hex screws. Counterbore attaches to flat on shank for a more secure fit. Adjustable stop collar attaches to counterbore for controlling countersink depth. 1 4' hex quick change shank reduces slipping in standard chucks and