Where are the specs on the bit? A history of the company doesnt help me decide if this bit meets what i am looking for?

Please complain to Amazon about the description - they have the complete description but their algorithms thinks this is better because it has more words. 🙄. This bit is 1/4" diameter x 1" cutting length x 1/4" shank x 2-1/2" long - upshear. For a complete description of any Whiteside product and a picture, please visit our eoasaw website. Please advise how we may be of assistance. Thanks Thom

will this bit cut a 1/4" recess in a 3/4" red oak board? the recess has to be 3" x 4".

This is my bit of choice. This bit makes a good clean cut. So you are cutting a 3" x 4" 0.25" deep?

does this bit cut acrylic like Plexiglas and leave a good edge?

This bit will cut acrylic, however a o-flute bit would be better suited. Any bit you use will probably still leave some visible signs of cutting, the edge can then be polished or some people use a torch to smooth the finish. The key is getting the correct chipload and making sure the part is held firmly. You are welcome to download my free CNC manual and chipload calculator from the technical section of our eoasaw website - the principles apply to any cutting situation. Please advise how I may be of further assistance. Thanks, Thom

Would this bit be used to cut cirlces in plywood?

Whiteside carbide bit is very high quality. Good clean cuts in plywood. Yes I use this bit to cut circles.

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🔧 Elevate your craft with Whiteside RU2100 — where precision meets unstoppable performance!

DEEP CUT MASTERY - 1-inch cutting length lets you tackle deep grooves, dados, and slots with professional accuracy.
PRECISION CARBIDE POWER - Solid carbide construction ensures unmatched durability and razor-sharp cuts every time.
PLUNGE CAPABLE PRECISION - Engineered for plunge cuts, enabling intricate designs and flawless edge finishes with ease.
EFFORTLESS CHIP CLEARANCE - Upcut spiral design rapidly removes chips, keeping your workspace clean and cuts flawless.
VERSATILE WOODWORKING ESSENTIAL - Perfect for hardwoods, softwoods, plywood, MDF, and hard plastics—your all-in-one routing solution.

The Whiteside RU2100 Spiral Upcut Straight Router Bit features a 1/4" solid carbide cutting diameter and shank, with a 1" cutting length optimized for deep, clean cuts. Its upcut spiral helix design ensures rapid chip removal and smooth finishes, making it ideal for precision woodworking across hardwoods, softwoods, plywood, MDF, and hard plastics. Plunge-capable and built for durability, this bit is a trusted choice for professionals demanding flawless grooves, dados, slots, and pockets.

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Cutting Diameter	0.25 Inches
Item Diameter	0.25 Inches
Number of Flutes	2
Global Trade Identification Number	00844278005073
UPC	722208798618 844278005073 732454888964 785533283594
Manufacturer	Whiteside
Part Number	RU2100
Item Weight	0.96 ounces
Item model number	RU2100
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Number of Handles	1
Measurement System	Inch
Batteries Included?	No
Batteries Required?	No

Whiteside RU2100 Spiral Upcut Straight Router Bit: 1/4 Inch Cutting Diameter, 1/4 Inch Shank, 1 Inch Cutting Length

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