RUWI R12.7 rounding cutter with guide bearing, optional

Roundover bit R12.7 with guide bearing

RUWI30212

€58,86
/
Includes sales tax Plus shipping costs

Calculated for your business

Deductible immediately in the year of purchase

Less than €800 net: The full amount reduces your profit in the year of purchase—provided the item can be used on its own; accessories are capitalized along with the machine (Section 6(2) of the Income Tax Act) · €58.86 gross

Calculate based on your tax rate and delivery month →Does it fit your work? The configurator will check →

Business, 30% tax rate, delivery this month. Special depreciation under Section 7g requires a maximum profit of €200,000 in the previous year—above that amount, only declining-balance depreciation applies. This is for informational purposes only and does not constitute tax advice.

  • Artisan Quality
  • By woodworking professionals, for woodworking professionals
  • Faster and More Reliable Shipping
  • In stock – Delivery time: 1–3 business days
  • Out of stock – coming back soon

Packages are shipped via DHL or DPD and usually arrive within 1–2 business days. You'll receive a tracking number via email.

Router tables, lifting tables, and other large tools are shipped via Schenker, usually arriving in about 3 business days. Upon request, the carrier can deliver on a specific date—just coordinate the details with them by phone. If delivery takes longer than expected, we'll let you know in advance.

Packaging Dimensions
• Shipped in a cardboard box via DHL or DPD
• Dimensions: 190 × 140 × 50 mm

Our tools and machines are built to last. We use only high-quality components and have gained extensive experience in preventing problems in the workshop. That’s why we have no issues with warranty claims—even if they extend beyond the 2-year warranty period. We’re always looking for a good solution that works for both of us.

We have 100% of our replacement parts in stock.

Accessories

RUWI's R12.7 roundover bit rounds off wood edges with a 12.7-mm radius—the largest radius in the series—for generously rounded edges and the classic quarter-round. The guide ball bearing (Ø 12.7 mm) runs along the workpiece edge and guides the cutter even along curved contours for which no stop fits.

The router bit is double-edged and carbide-tipped (HW, Z2), right-hand rotation, with a Ø 38 mm tool diameter and 19 mm working length; shank Ø 8 mm, overall length 66 mm. It cuts softwood, hardwood, and laminated panels. If the ball bearing wears out, you can replace it—instead of replacing the entire router bit.

Here's how to use it

  • Smoothly rounding tabletops: the 12.7 radius transforms the sharp edge of the tabletop into a smooth, comfortable curve—even on curved tabletops, as the bearing follows the contour.
  • Shaping handrails and grip strips: two passes from both sides create the half-round profile—the grip surface fits comfortably in the hand.
  • Cutting a quarter-round profile: With full cutting depth, the R12.7 mills the classic quarter-round profile on moldings and frames.
  • Operating without a stop: The guide bearing provides guidance through curves and cutouts—the stop remains folded away.

Does this fit your router?

The shank requires an collet with a diameter of 8 mm. Important note regarding this head: With a diameter of 38 mm, the milling cutter fits into the router table and runs at a reduced speed—this is mandatory for this diameter, not optional; the stepless control of the RUWI router tables sets the appropriate speed. It also runs on CNC machines.

R12.7 is the most pronounced radius in the series—for more subtle edges, the same design is available in radii ranging from R2 to R10 in the overview of RUWI milling tools.

All the details

Profile
Radius: 12.7 mm
tool diameter : Ø 38 mm
working length : 19 mm
overall length : 66 mm

shank and thrust bearing
shank : Ø 8 mm, shaft length 32 mm
Thrust bearing: Ball bearing Ø 12.7 mm, replaceable

Cutting edges and insert
Cutting edges: Z2, carbide (HW), clockwise rotation
Materials: Softwood, hardwood, coated panels
collet : Ø 8 mm required
net weight : approx. 73 g

★★★★★

RUWI is the ideal partner for practical solutions in workplace organization and material handling!

Stefan Mayer
Master Cabinetmaker and Business Owner
★★★★★

RUWI creates optimal working conditions for a wide variety of tasks.

Christopher Wilkens
Master Cabinetmaker
★★★★★

The technical solutions that RUWI offers us never fail to impress us.

Florian Wölfle
Managing Director

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