5PC.HEX SH.SCR.P ILOT ST Outdoor Electrical Boxes & Covers Finish: G90 galvanizing

Finish: G90 galvanizing

Inside diameter is 3-3/8'

4-spanner bits: No

Dissolves gum and sludge that cut down tool speed and power output

Delivers smooth and precise plunges with a 6-step depth turret & 2 In

5PC.HEX SH.SCR.P ILOT ST Outdoor Electrical Boxes & Covers Finish: G90 galvanizingFive piece set includes no. 6, 8, 10 and 12 hex shank screw pilot bits and a Allen wrench. Screw pilot bits feature hex shanks for countersinking precision pilot holes. One step operation provides countersinking and counterboring in one operation. Replaceable drill bits for longer accessory life. Adjustable Countersink depth for use with an Allen wrench.