Irwin #4 - 1/8 In. Wood Countersink Round Wall Thermostat Straight Flutes Are Ground To

Straight Flutes Are Ground To Provide Rapid Chip Removal For Efficient Threading

Lights With Matches

Tungsten carbide tips

1 safety standards

Manufactured with heavy-duty

Irwin #4 - 1/8 In. Wood Countersink Round Wall Thermostat Straight Flutes Are Ground ToReplacement 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