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Precision Twist Drill SD-20DC 7466280 solid carbide rotary burr with ball shape and double cut geometry. 5/16" cutting diameter, 1/4" shank diameter, 2-1/16" overall length. Cylindrical shank, bright finish. For deburring, carving, and fillet radii on steel, stainless steel, cast iron, non-ferrous metals, and high-temperature alloys.
MODEL 7466280
$20.75 Each
Prices are subject to change
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Returnable: Yes
California Prop 65 warningBurr Shape
D - Ball Shape
Burr Type Code (BTC)
Double Cut Geometry
Coating
Bright
Connection diameter - fractional inch (DCON MS)
1/4
Connection diameter - inch (DCON MS)
0.25
Connection diameter - millimeter (DCON MS)
6.35
Cutting diameter - fractional inch (DC)
5/16
Cutting diameter - inch (DC)
0.3125
Cutting diameter - millimeter (DC)
7.94
Depth of cut maximum - fractional inch (APMX)
1/4
Material
HM
Overall length - fractional inch (OAL)
2.1/16
Overall length - inch (OAL)
2.0625
Overall length - millimeter (OAL)
52.39
Shank
Cylindrical shank
Usable Length - fractional inch (LU)
1/4
SD-DC ball shaped (Shape D) rotary carbide burrs with skip flute geometry are designed for de-burring when used in slots or radius grooves.
Manufactured from premium carbide for extra performance and extended tool life at high speeds, they also have a steel shank which has been hardened and toughened for improved rigidity and strength, to decrease vibration and further extend the life of the tool.
The tools all have a bright finish which prevents workpiece material from sticking to the cutting edges for a smoother, cleaner result.
To help break chips more efficiently and make it easier to control when using by hand, SD-DC rotary burrs have a DC geometry
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