Porter Cable 43178PC 1/4 Shank Cove & Bead Router Bit. Porter-Cable Professional Edge router bit is constructed of 4140 Alloy Steel, a harder grade of steel than standard cast steel bit bodies. The bit 5/8 inches in diameter or large has a chip limiting design which provides more cutting control, better balance and more body mass for a cleaner cut.
Porter Cable 43178PC Features:
- The bit is annealed and heat treated to Rockwell hardness of 40-45, harder than is possible with cast steel bodies.
- The carbide tip is made from a specially blended micro grain carbide for superior results and longer lasting sharpness.
- A black oxide coating protects against corrosion while preventing resin build-up and improving chip clearance.
Porter Cable 43178PC Specifications:
- Overall Diameter: 1 /4 inch
- Flute Length: 13/16 inch
- Shank Diameter: 1/4 inch
- Overall Length: 2 17/32 inch