Model # DR34140

Internet #204073515

Diablo 1/2 in. Rounding Over Bit


1/2 in. Rounding Over Bit

  • TiCo Hi-Density Carbide for flawless finishes and longer life
  • Shear Angle Design slices through wood virtually no sanding
  • Perma-SHIELD coating protects the bit for superior cutting life
$13389 /each
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Frequently Bought Together

Product Overview

Diablo's Rounding Over Router Bits soften furniture edges and creates decorative beads. With interchangeable bearings to cut rabbets of different depths, Featuring TiCo carbide with titanium, these bits provide a long cutting life and ultra-fine finish. Perma-shield, Diablo's high performance coating, reduces friction and build-up on the bits. The bits kick-back reducing design allows for safer, more controlled cuts. These bits are computer balanced for a smooth and accurate cut. All Diablo router bits feature exceptional quality, unmatched precision and maximum cutting life.

  • For beading work, equip bits with a 1/8 in. bearing and step washer
  • Cuts all composition materials, plywood’s hardwoods and softwoods
  • Use on hand-held and table-mounted portable routers
  • Red router bits are a registered trademark of Freud America, Inc.



Cut Diameter
3.5 in
Product Depth (in.)
Product Height (in.)
Product Width (in.)


Bit Material
Color Family
Drill & Router Bit Type
Min Chuck Size Required
1/2 In.
Router/planer type
Shank Style
Tools Product Type
Power Tool

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Customer Questions & Answers

i'm interested in this round over bit # 204073515

I've never used one this size. are their interchangeable bearings included with this item? not clear on the diameter of the cut. what I wanna use them for is making large picture frames. most I make are 2in mim and 2 1/2 in max.x 1/12in thick. is this something that will work. its a lot of money but if I can make different cut depths with the same bit would be great. what do u recommend using to sharpen when needed. if I need extra bearings what model #'s and size? I need to cut deep enough on the frame to set a glass cover of 3/16ths/1/4in max. any info here would be greatly appreciated and very helpful. thanku terry may also suggest what other 1/2 drive bits would do, the wider and deeper the better.
Asked by: cornpatchguy
This bit does not include bearings, but they are available separately (part # DR62XXX). The cut radius is 1-1/2 in.
Answered by: DiabloProductExpert
Date published: 2015-09-20
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