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CMT 838.285.11 roundover router bit with 1/4 inch shank and 1/2 inch bearing

CMT

CMT 838.285.11 roundover router bit 1/4 in shank 1/2 in bearing 1 1/8 in diameter 1/2 in cut length

SKU CH-DAW6-T9D1T

A roundover router bit with a 1/4-inch shank for smoothing edges on frames, tables and countertops

  • Product typeRouter Bits
  • Creates smooth roundover edges for frames and countertops
  • 1/4 in shank fits standard router collets
  • 1/2 in bearing guides consistent profile depth
  • 1 1/8 in diameter suits medium edge radii
  • 1/2 in cutting length handles typical stock thickness

Roundover router bit for edge profiling

The CMT 838.285.11 is a roundover router bit designed to produce smooth, rounded edges on workpieces. It suits woodworkers shaping picture frames, table edges or counter tops. The cutter creates a clean radius profile in a single pass.

1/4 in shank fits standard collets

The bit uses a 1/4 in shank that matches common router collets. The overall diameter is 1 1/8 in with a 1/2 in cutting length and a 1/2 in bearing diameter. These dimensions determine the profile size and bearing guidance.

Bearing-guided for straightforward setup

The integrated bearing rides against the workpiece or a template, so no fence is required. Ensure the shank is fully seated and the collet tightened before starting. Check bearing rotation and cutter sharpness periodically to avoid burn marks.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $24.99
Cheaper than about 55% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCMT
Product typeRouter Bits

Questions about this item

How does the 1/2 in cut length affect the depth of the roundover profile?

The 1/2 in cutting length allows the bit to produce a roundover profile up to that depth in a single pass, suitable for standard edge rounding on boards of matching thickness.

What does the 1/4 in shank mean for router compatibility?

The 1/4 in shank fits any router collet sized for 1/4 in shanks, which is the common size on many compact and mid-size routers.

Will the 1 1/8 in overall diameter clear my router base opening?

The 1 1/8 in overall diameter requires a base-plate opening at least that wide; check your router's base aperture before use.

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