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Spiral-flute bits combine a shearing action in cutting with an auguring action in chip clearance. The shearing action yields an especially clean accurate cut while the auguring action clears chips from the cut. The ‘down-cut’ cuts from the surface down leaving a smooth edge at the surface. Special unique carbide grade increased clearance geometry and razor-sharp cutting edges with polished flutes provide a superior finish and longer tool life especially in abrasive materials. Great for production settings and excellent for creating grooves and dado cuts in particleboard, plywood and laminate. Primarily used on CNC machines and other automatic routers. Can be used with handheld and table-mounted portable routers, #46415, direction down-cut, (D) diameter 1/4, (b) Cutting height 1, (D) shank 1/4, overall length (L) 2-1/2, flutes 2, 46415 Solid Carbide spiral plunge 1/4 dia x 1 inch x 1/4 shank down-cut
From the Manufacturer
Since 1972, Amana Tool has been producing router bits and has become the global leader in its field. In fact, the company was the first manufacturer to produce router bits according to the Holz BG German standard for safety and quality. This standard contains rules that determine the structure and quality of the tool's material in order to create the safest environment for the user. From its beginning, Amana Tool has always used the highest quality materials and its tools are produced using unique technologies, a majority of which were developed and built by the company's engineers following decades of testing and experience. For example, Amana Tool uses carbon alloy steel for its router bits that contains vanadium particles. This improves the structural integrity of the steel and prevents corrosion and defects in the internal structure of the material that can lead to cracks and breaks. High-tech machinery processes the carbon alloy steel to manufacture the router bodies in a single clamping. This yields router bits with superior balance, centricity, precision and symmetry. Spiral-flute bits combine a shearing action in cutting with an augering action in chip clearance. The shearing action yields an especially clean, accurate cut, while the augering action clears chips from the cut. The "up-cut" shears from the bottom up, pulling chips from the bottom up, thus allowing deeper penetration with less stress on the tool. An excellent choice for mortising. Great for production settings and excellent for creating grooves and dado cuts in softwood, hardwoods, plywood and composite materials. Primarily used on CNC machines and other automatic routers. Also can be used with hand-held and table-mounted portable routers.
Norma Ramos
Reviewed in the United States on August 29, 2022
Exelente y el precio muy bueno llegó super rápido.
Customer
Reviewed in Canada on January 14, 2020
Amanda tool bits always work amazing with my cnc router you get what you pay for and it does last
Customer
Reviewed in Canada on June 23, 2019
This bit was perfect. Left the peice of wood darn close to finish quality. All that was left was some light hand sanding.
MVB
Reviewed in Mexico on April 12, 2019
La Broca para fresar o cortes de circulo, yo he probado la madera MDF y Triplay de pino, no sé si pueda cortar otros tipo madera dura. La broca si esta filoso y acabado muy buena calidad según fabricante hecha de E.U.A.
Soniclab
Reviewed in Canada on June 9, 2018
this is my favorite tool for plywood and MDF. Long lasting and reliable. rips at 400 ipm with no hesitation at 1/4" depth.
Chris in Freeland
Reviewed in the United States on May 28, 2018
Really nice finish in Walnut, pine and MDF. Better than a 2 flute bit.
Andrew
Reviewed in the United States on September 8, 2017
Used to cut mortises, works great. Seems like it's going to last awhile.
Customer
Reviewed in the United States on September 7, 2017
This bit broke inside the shank cutting 1/4" plywood. I had only used it for 15 minutes.
Pedro
Reviewed in Mexico on July 28, 2016
Sinceramente la calidad de esta fresa es de primera, las cajas de espigas para ensambles queda súper bien, con gran acabado y la broca como si nada, aun me falta usarlo a largo plazo para averiguar que tanto dura, pero por lo que parece, la broca me va durar mucho tiempo, ya que la he estado usando y esta como si nada... La recomiendo bastante
Scubazip
Reviewed in the United States on May 5, 2016
Great item and very quick shipping!
FRAN HENDERSON
Reviewed in the United States on October 27, 2016
..well crafted
PBEN
Reviewed in the United States on April 1, 2015
works great on CNC
Dennis
Reviewed in the United States on February 10, 2014
They are consistently some of the best bits I've used in the last year. They hold a good edge and run faster than most. The drawback I could say is the price but you always pay more for a better bit. More and more I'll opt for the compression bits over the straight spiral because of the cleaner cuts both sides of the sheet. These cut fast and hold a good edge for hours of CNC routing.
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