Rd306

Compression router bit for Zund router modules with a 0.236 in (6.0 mm) collet. 2-flute compression bit with a 0.236 in (6.0 mm) cutting diameter on a 0.236 in (6.0 mm) shank.

Sold individually.

Clean on both faces

A compression bit cuts upward at the tip and downward above it. The two spirals push toward the middle of the sheet, so neither the top nor the bottom face lifts or chips. The Rd306 cuts up to 0.866 in (22.0 mm) deep, so it handles thick sheet in one pass.

When to use compression

Reach for a compression bit when both faces of the part show: laminated and double-sided panels, pre-finished board, and sheet with a printed or coated face on top. On plain single-face material, an upcut or downcut bit is often the simpler choice.

Common questions

How do I know this fits my machine?

The Rd306 has a 0.236 in (6.0 mm) shank and fits Zund router modules that take 6 mm bits. For the RM-A QC ARC automatic bit changer, use the Rd306a with the stop ring. Not sure? Send us your machine model and we will confirm before you order.

How do I know when to replace it?

Watch both faces of the cut. Chipping or fuzz on the top or bottom edge where it used to cut clean, or burning in the kerf, means it is time for a fresh bit.

Getting the most from your cutting table

A fresh bit is a good start. But if you are going through bits faster than expected, or edge quality has become inconsistent, the bit is rarely the whole story. Spindle speed, feed rate, depth per pass, material hold-down, and machine condition all affect how long a bit lasts and how clean it cuts.

It is worth asking: When was your machine last serviced? Are your parameters dialed in for this material? Is this the right bit for what you are cutting? Could your operators use time with someone who runs these machines every day?

Flatbed Tools offers machine service, preventive maintenance, operator training, and workflow consulting. If something is not cutting right, reach out. We have probably seen it before.