Page 1287 - Master Catalog 2017, Inch

Standard Cut Styles Special Cut Styles
Standard Cut (Right-Hand Spiral) Coarse Cut
The WIDIA ™ standard (right-hand spiral) cut Coarse cut burs are favored for applications in softer
produces a smooth fi nish for general-purpose materials such as brass, lead, annealed low-carbon
use on steel, cast iron, and other ferrous and steels, and some aluminum alloys. The combination
non-ferrous materials. of fewer fl utes with greater depths provides the chip
clearance necessary for these materials.
Most WIDIA carbide burs are available in the
right-hand spiral design. Available as specials.

Master Cut (Double Cut) Fine Cut RHS
The WIDIA exclusive master cut, with its chisel-type The WIDIA fine cut right-hand spiral is used in
cutting edge, is a machine-ground tool built to applications where stock removal is light and workpiece
exacting tolerances of concentricity, size, and shape. fi nish is critical. A greater number of fl utes reduces chip
This accuracy, when combined with precision grinders, load and provides excellent control in deburring small,
results in smooth-running, fast metal removal, and fi ne intricate areas.
fi nishes. The right- and left-hand helical fl utes combine Available as specials.
to produce a chisel-type cutting tooth. This results in
faster penetration and stock removal with minimal
bounce or chatter.
The master cut design also produces an easy-to-handle
granular-type chip in most metals, as opposed to the
conventional sliver-type chips.
Throughout its life, the master cut gives faster stock
removal and less operator fatigue, and maintains a
good fi nish on the widest possible variety of workpiece
materials.

Aluminum Cut
The WIDIA aluminum cut burs are outstanding
on soft or non-ferrous type materials. Use the
aluminum cut design on aluminum, magnesium,
brass, lead, and most plastics.

„ How to select a Bur

Applications Material Cut

Ferrous metals
Efficient stock removal — deburring, Double Master Cut

fi nishing, and cleaning. Non-ferrous metals

Heavy stock removal — deburring, Non-ferrous metal: aluminum alloys Aluminum Cut
milling, cleaning, and machining.
Plastics

Non-ferrous metal: aluminum alloys
Coarse Cut
Medium stock removal — deburring, Plastics
milling, cleaning, and fi nishing. Special Cut Style
Hard rubber
Non-Hardened steel >45 HRC
Hardened steel >45 HRC: stainless steel
Medium stock removal — deburring, Single Cut
milling, cleaning, and fi nishing. High-temperature resistant metals: nickel, cobalt, titanium
Non-ferrous light metals: brass, copper, and zinc

Light stock removal — fi ne deburring Hardened steel >45 HRC Fine Cut
and fi ne fi nishing. Special Cut Style

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