EDM-C3 Regular Tapping Electrodes

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EDM-C3 is a high density graphite infiltrated with copper. Recommended where speed, wear, and surface finish are important. Unequalled for fragile electrodes, many EDMers choose this grade to compensate for operator inexperience or where poor flushing conditions exist.

Specifications:

Avg. Grain Size: 5 Micron
Hardness: 67 Shore
Flex Strength: 16,500 psi
Resistivity: .00012 ohm/in.
Maximum Block Size: 2" x 8" x 12"
Method of Manufacture: Impregnated

*all flex strength is tested on a 4 point scale for true flex strength.

POCO EDM-C3 is a copper impregnated graphite.

Shank Diameter: +/- .0005 I.D. Nominal

For EDM tapping of all metals.

Additional sizes available upon request


	EDM-C3 Regular Tapping Electrodes 05-801 Thread Size:4-40 Shank Dia.:.109 Pitch Dia.: -.002
	EDM-C3 Regular Tapping Electrodes 05-802 Thread Size: 5-40 Shank Dia.: .125 Pitch Dia.: -.002
	EDM-C3 Regular Tapping Electrodes 05-803 Thread Size: 6-32 Shank Dia.: .140 Pitch Dia.: -.003
	EDM-C3 Regular Tapping Electrodes 05-804 Thread Size: 8-32 Shank Dia.: .171 Pitch Dia.: -.003 Flush Hole: .060
	EDM-C3 Regular Tapping Electrodes 05-805 Thread Size: 10-24 Shank Dia.: .187 Pitch Dia.: -.003 Flush Hole: .060
	EDM-C3 Regular Tapping Electrodes 05-806 Thread Size: 10-32 Shank Dia.: .187 Pitch Dia.: -.003 Flush Hole: .060
	EDM-C3 Regular Tapping Electrodes 05-807 Thread Size: 1/4-20 Shank Dia.: .250 Pitch Dia.: -.004 Flush Hole: .060
	EDM-C3 Regular Tapping Electrodes 05-808 Thread Size: 1/4-28 Shank Dia.: .250 Pitch Dia.: -.004 Flush Hole: .060
	EDM-C3 Regular Tapping Electrodes 05-809 Thread Size: 5/16-18 Shank Dia.: .312 Pitch Dia.: -.004 Flush Hole: .110
	EDM-C3 Regular Tapping Electrodes 05-810 Thread Size: 5/16-24 Shank Dia.: .312 Pitch Dia.: -.004 Flush Hole: .110
	EDM-C3 Regular Tapping Electrodes 05-811 Thread Size: 3/8-16 Shank Dia.: .375 Pitch Dia.: -.004 Flush Hole: .150
	EDM-C3 Regular Tapping Electrodes 05-812 Thread Size: 3/8-24 Shank Dia.: .375 Pitch Dia.: -.004 Flush Hole: .150
	EDM-C3 Regular Tapping Electrodes 05-813 Thread Size: 7/16-14 Shank Dia.: .437 Pitch Dia.: -.005 Flush Hole: .187
	EDM-C3 Regular Tapping Electrodes 05-814 Thread Size: 7/16-20 Shank Dia.: .437 Pitch Dia.: -.005 Flush Hole: .187
	EDM-C3 Regular Tapping Electrodes 05-815 Thread Size: 1/2-13 Shank Dia.: .500 Pitch Dia.: -.005 Flush Hole: .234
	EDM-C3 Regular Tapping Electrodes 05-816 Thread Size: 1/2-20 Shank Dia.: .500 Pitch Dia.: -.005 Flush Hole: .234
	EDM-C3 Regular Tapping Electrodes 05-817 Thread Size: 5/8-11 Shank Dia.: .625 Pitch Dia.: -.006 Flush Hole: .250
	EDM-C3 Regular Tapping Electrodes 05-818 Thread Size: 5/8-18 Shank Dia.: .625 Pitch Dia.: -.006 Flush Hole: .250
	EDM-C3 Regular Tapping Electrodes 05-819 Thread Size: 3/4-10 Shank Dia.: .750 Pitch Dia.: -.006 Flush Hole: .250
	EDM-C3 Regular Tapping Electrodes 05-820 Thread Size: 3/4-16 Shank Dia.: .750 Pitch Dia.: -.006 Flush Hole: .250

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