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Advantage of the insert router bit
The insert router bits are an excellent investment for cabinet shops that produce work that requires repetitive router function as the cost of the carbide knives will bring substantial savings over time to the cabinet maker.
Router bits with insert knives contain a radial and axial groove for better positioning and security of axial knife moving. These router bits with insert knives are for finishing, routing, plunge cutting, grooving and others in boards materials (laminated DTD, MDF) and hard wood, to be used on power tools and CNC machines. In router bits, knives can be replaced or inverted fast to operate on different wooden materials in a little time.
Professional Spoilboard Surfacing Router Bit
Perfect for quick material removal on large areas leaving an excellent finish on the surface
Each SpeTool slab flattening router bit is submitted to strict quality tests to ensure perfect cutting tolerance, balance and excellent concentricity, has good resistance to bending or damage, and provides you a more stable processing.
Advantage of the SpeTool Insert
2.2mm insert thickness will prevent marring，provide a long using life
30degree cutting bevel，Razor sharp cutting edges for smooth cuts
YG-6X insert , it helps prevent material failure and increase cutting life
pk
2025-09-02 12:49:39
Ive only been woodworking for about a year now. I made my first epoxy table and made my own router sled to flatten. The biggest bit I had at the time was 3/4". It worked well but knew if I was going to do it again I needed to upgrade my bit. I have a Bosch 1617 router so I didn't want to go too big. I've used this bit to flatten epoxy tables, walnut and cherry slabs, end grain cutting boards and more. It cuts smooth, leaves a great finish with no tear out or anything and stays sharp. I havn't needed to rotate or replace the blades yet. It works so well I've been considering trying the 2" version. Worth every penny!
Jayne Roberson
2025-08-07 14:13:28
I was hesitating to purchase this bit. I'm glad I did. So easy to smooth a surface, I needed to cut only a 1/4 inch out of the top of a circle, did a great job.
Dana W.
2025-08-05 12:15:27
I am new to a router sled and didn't know what type of bit to purchase. I purchased two. The first one went dull almost immediately. This bit is wonderful. It is smaller than the first bit I tried but it cut through my walnut plank very well. I like that the individual cutting heads can be turned when they dull to keep your bit sharp. I have not had to turn them yet but feel I will need to when I finish my 8 foot plank.
Dara G.
2025-07-14 13:47:03
One blade sits lower. Finish is clean if you feed it slow. Could've had a better price.
Al K.
2025-06-03 15:23:32
Very smooth cut at 120 ipm. No burn marks and no sanding required.
dustin
2025-05-26 10:58:42
I can’t speak for longevity but Here is a before and after of my spoil boardIt ran smoothly and chewed through the 23g pin nails that I use to hold down some of my projects without any noticeable damage to the cutters ! At this point i would recommend it ..if anything changes I will update my review
Jim B
2025-05-20 10:21:37
I purchased a flattening jig for cutting boards that I am making and needed a flattening bit. Got a much more expensive bit when I purchased the jig and also purchased this SpeTool bit because I new it would be available the next day when I needed it. The SpeTool bit outperformed the much more expensive bit and left a very smooth surface when surfacing endgrain hardwoods. Highly recommended.
Todd Family
2025-05-09 15:13:12
At least for the woodworking that I do, I could not ask for better. The blades are super sharp and durable, they can be rotated, which provides for longevity, this thing hogs off material and most importantly it leaves a great finish.Depending on what Im making, I have even skipped sanding afterwards.
John Gardner
2025-05-06 20:55:51
Worked in my router slide.
Clayton
2025-04-25 15:11:13
Got this to resurface the soil board it it worked really well. Would recommend.
andre michaud
2025-03-18 14:04:01
J'ai du la retourner erreur de ma part tige 1/4 j'avais besoin tige 1/2
Henrietta Silverthorne
2025-03-10 18:00:19
As described. Came on time. Have not tried it yet
Bob H.
2024-12-09 10:26:47
Bought this for slab flattening. I wasn't sure about the cutter design, but am very happy with it.
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