A unique 6-fluted countersink designed to eliminate the chatter commonly encountered when using conventional countersinks.

Aircraft Counterbore, 9/32" Dia., 3/32" Pilot Hole, 2-3/4" Len. Made of High Speed Steel. Requires 1400P series pilot.

Size #10. 6" working length. Inverted drill bushing type. Inverted Duplicators allow you to locate a hole from the back of an overlapping sheet.

Size #40. 12" working length. Inverted drill bushing type. Inverted Duplicators allow you to locate a hole from the back of an overlapping

Light duty (dark gray) pads give an ultra fine finish. It's ideal for surface preparation prior to painting or coating. Each box contains twenty (20) 6"x9" pads. Manufactured by 3M

5/16" Dia., (For AT402 & AT403)

3/4" Dia, 5/16" Pilot Hole. Made of High Speed Steel. Requires AT404 series pilot.

7/8" Dia, 3/8" Pilot Hole. Made of High Speed Steel. Requires AT404 series pilot.

3/8" (0.3750) diameter, 3-5/8" Flute Length. Zero-degree rake, a 90-degree point, and parabolic cutting flutes to drill through Plexiglas, and acrylic plastics without binding or "breaking out."

5/16" (.3125) diameter. Zero-degree rake, a 90-degree point, and parabolic cutting flutes to drill through Plexiglas, and acrylic plastics without binding or "breaking out."

Use with SCOTCH-BRITE hand pads. Size is 3-1/2" wide by 4-3/4" long

Pro-Grabit works on damaged screws and broken bolts from as small as #4 screw to as large as a 3/8" bolt without any center punching or preparation. One end is a self-centering left-handed drill, and the other is a high torque extractor. 2 piece kit