Straight Router Bits

Straight router bits have straight cutting edges that produce flat-bottomed grooves and dadoes. These are fundamental bits used for joinery, rabbets, grooves, and template work.

Applications

Straight bits cut dadoes for shelving, grooves for panel installation, and rabbets along edges. With a template and guide bushing, straight bits can follow complex patterns.

Flute Count

Single-flute bits clear chips aggressively and work well in softer materials. Two-flute bits balance cut quality and chip clearance. Three-flute bits produce the smoothest finish but require slower feed rates.

Spiral Variations

Straight bits are available in spiral configurations. Up-spiral bits pull chips up and out of the cut. Down-spiral bits push chips down, reducing tearout on the top surface. Compression spirals combine both geometries.

Depth of Cut

Maximum depth per pass depends on material hardness, router power, and bit diameter. Multiple shallow passes produce cleaner results than single deep cuts.