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Best Spiral Router Bits

Whiteside Router Bits RU2100 Standard Spiral Bit with Up Cut Solid Carbide 1/4-Inch Cutting Diameter and 1-Inch Cutting Length
Whiteside Machine ru2100 solid carbide 2 flute up-cut standard spiral router bit 1/4 dia x 1" cl x 1/4" shank x 2-1/2" oal. Whiteside Router Bits are made with Premium Carbide.
Reviews
"Whiteside is quickly becoming my go to router bit company."
"I really like this router bit."
"Excellent router bit cuts smooth, great for mortising."
"I only have 20 minutes run time with this bit, so I can't speak to longevity, but it cuts exceptionally effortlessly though oak and ash."
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HQMaster 10PCS 1/8" 17mm Carbide Flat Nose End Mill CNC Router Bits Double Flute Spiral Set Tool Nylon Resin ABS Acrylic PVC MDF Hardwood
HQMaster 10PCS 1/8" 17mm Carbide Flat Nose End Mill CNC Router Bits Double Flute Upcut Spiral Set Tool Nylon Resin ABS Acrylic PVC MDF Hardwood.
Reviews
"I have not used these enough to see how they wear."
"Don't expect tight manufacturing tolerances (even at a glance, the bits in the case are all different lengths for instance), but these bits are so inexpensive as to be essentially disposable."
"These should be in the bit box of everyone who has a small CNC."
"These bits work well and stay sharp."
"The bits came in a little plastic case, each contained in individual sections, with a foam insert ensuring none are DOA."
"used one bit one time, it performed flawlessly, very good price for performance, I used this on a 12 chained 3D logos and used it with a 1/4" to 1/8" reduction bushing.very happy with its performance on its first pass."
"They leave frayed splintering on one side of the board, so keep a rasp and sandpaper handy."
"I wish I could find a cheap downcut spiral so I didn't get frayed edges but I have been on the same bit now for about 8 hours of carving and it is still working fine."
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Tacklife EGD12AC Classic Multi-functional Engraver Precision Carving Machine with 4 Replaceable Tungsten Carbide Steel Bits, Includes Letter /Number Template and Shape Template
Easily engraves your name or contact info into various items,helps prevent theft or loss. PRACTICAL EXTRA KIT ACCESSORIES - 4 Replaceable Tips for heavy-duty used on hard surfaces; An allen key for changing bit easily and quickly; Included number/letter template and shape template helps you to complete engraving quickly and easily without mistakes.
Reviews
"this takes a while to get used to if your using the tracing templates... but i found it was easier to just freehand letters and things that i wanted to engrave.hopefully it holds up... it feels good in the hand and feels well enough made."
"It can engrave wood and metal, and the stencils it comes with make simple projects."
"Use this to engrave keys so far."
"I used this to engrave laundry baskets and equipment at my laundromat and the stencil was useful."
"Works great for stuff around the house!"
"The tip insertion point is very strong and has an allen key holder that holds bits tight, I was worried that it would come out while I was using it, but that hasn't happened yet super strong holding device Also, it is quite loud. There are lots of bits that can be purchased that will enable you to do more, but the one it comes with is a good size for a beginner."
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Best Trim Router Bits

Freud 1/2" (Dia.) Top Bearing Flush Trim Bit with 1/4" Shank (50-102)
Freud's precision ground carbide bits have a grain size smaller than other grades, and titanium is added making them impervious to chemical attack. Cuts all composition materials, plywoods, hardwoods, and softwoods.
Reviews
"I Love my Freud bits! I actually have a full set of these flush trim bits ranging from 3/4" to 1" to 1-1/4" to 1-1/2" and a full, massive 2"."
"Sapele is a fairly hard wood with variable grain which was compounded by my unusual sweeping curves. Upon receipt, noticed substantial plastic container used by Freud, out of box sharpness and general appearance of high quality fit and finish. Routing freehand against the bearing I experienced a startling kick back upon entry that could have been dangerous."
"A quality bit at a good price."
"Anyone who has ever used Freud router bits know it's a great bit."
"In short, excellent bit."
"As I am retired, living on Social Security, and have been equipping a modest woodworking shop, I've tended to buy less expensive tools, bits, gouges, etc., that I can afford at the moment."
"The bit was bent."
"Unfortunately I didn't use it the first time until after the date one can't return it so I'm out the bit and a lot of hours of work."
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Best Straight Router Bits

Freud 1-3/4" (Dia.) Adjustable Tongue & Groove Bit Set with 1/2" Shank (99-036)
Style: Adjustable Tongue and Groove Router Bit Set, 1/2-Inch Shank. Freud develops different types of carbide for each application to maximize the cutting life and performance of the tool; and Freud also operates one of the most modern product development research centers in Europe. Freud router bits feature TiCo Hi-Density Carbide for maximum cutting life and are individually balanced; providing a cut above the rest. About this Adjustable Tongue and Groove Bit Set Freud's adjustable tongue and groove bit set is ideal for producing perfectly fitted tongue and groove joints. Adjustable at .002 inch increments for stock thickness of 1/2" to 1-1/4" and groove widths of 7/32" to 3/8".
Reviews
"This cutter is not exactly the profile of the story bought window stools, but close enough, provided you don't cut into the leading edge of the store bought stool."
"I was confused because aligning a straight edge against the cutting edges under a certain angle gives the impression that the teeth edges are not parallel and might slant inward, which might be desirable for flooring parquet where you need a really tight fit, but in fact, careful alignment of the straight edge clears that false impression: the teeth are perfectly aligned vertically, although they do have each a slight slant forward and backward (what Freud describes as "Freud's exclusive design features a tongue cutter with opposing shear angles to ensure a flawless finish") and my next experiment is to use them for edge-joionting."
"In addition, when you want to do the copes, all you have to do is raise the bit in your router table or shaper table to put the cope profile at the right height. The picture that is shown for this bit is actually upside down as it would be deployed in a router or shaper table, the profile at the top of the picture is the stile moulding profile, and the profile shown at the bottom of the bit does the copes in the rails."
"If I didn't want the thin edge to be there I had to raise up the bit, and then my detail was too deep for my liking, so this one is better for me. When you have to drill a hinge cup hole into the back of a door, you don't want it to pierce through the front side of this detail after you are all done with the door. Having the option of keeping the bit a little lower creates more of a safety buffer, and is more attractive to my clients when you view the door from the front."
"I took a couple of spacers from the groove bit and placed on the tongue bit. I then lowered the tongue bit, and used the top one for the groove."
"There are NO instructions either with the bits (other than a little chart to show you what thickness spacer to use for various thicknesses of stock), on the Freud website or on the web."
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