EDM-3 Regular Tapping Electrodes

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EDM-3 is an isotropic ultrafine grain graphite which offers high strength with outstanding wear and fine surface finish characteristics easily machined to thicknesses of .005 or less.

Specifications:

Avg. Grain Size: 5 Micron
Hardness: 76 Shore
Flex Strength: 13,500 psi
Resistivity: .00054 ohm/in.
Maximum Block Size: 4" x 12" x 40"
Method of Manufacture: Molded

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

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

For EDM tapping of all metals.

Additional sizes available upon request


	EDM-3 Regular Tapping Electrodes 03-801 Thread Size: 4-40 Shank Dia.: .109 Pitch Dia.: -.002
	EDM-3 Regular Tapping Electrodes 03-802 Thread Size: 5-40 Shank Dia.: .125 Pitch Dia.: -.002
	EDM-3 Regular Tapping Electrodes 03-803 Thread Size: 6-32 Shank Dia.: .140 Pitch Dia.: -.003
	EDM-3 Regular Tapping Electrodes 03-804 Thread Size: 8-32 Shank Dia.: .171 Pitch Dia.: -.003 Flush Hole: .060
	EDM-3 Regular Tapping Electrodes 03-805 Thread Size: 10-24 Shank Dia.: .187 Pitch Dia.: -.003 Flush Hole: .060
	EDM-3 Regular Tapping Electrodes 03-806 Thread Size: 10-32 Shank Dia.: .187 Pitch Dia.: -.003 Flush Hole: .060
	EDM-3 Regular Tapping Electrodes 03-807 Thread Size: 1/4-20 Shank Dia.: .250 Pitch Dia.: -.004 Flush Hole: .060
	EDM-3 Regular Tapping Electrodes 03-808 Thread Size: 1/4-28 Shank Dia.: .250 Pitch Dia.: -.004 Flush Hole: .060
	EDM-3 Regular Tapping Electrodes 03-809 Thread Size: 5/16-18 Shank Dia.: .312 Pitch Dia.: -.004 Flush Hole: .110
	EDM-3 Regular Tapping Electrodes 03-810 Thread Size: 5/16-24 Shank Dia.: .312 Pitch Dia.: -.004 Flush Hole: .110
	EDM-3 Regular Tapping Electrodes 03-811 Thread Size: 3/8-16 Shank Dia.: .375 Pitch Dia.: -.004 Flush Hole: .150
	EDM-3 Regular Tapping Electrodes 03-812 Thread Size: 3/8-24 Shank Dia.: .375 Pitch Dia.: -.004 Flush Hole: .150
	EDM-3 Regular Tapping Electrodes 03-813 Thread Size: 7/16-14 Shank Dia.: .437 Pitch Dia.: -.005 Flush Hole: .187
	EDM-3 Regular Tapping Electrodes 03-814 Thread Size: 7/16-20 Shank Dia.: .437 Pitch Dia.: -.005 Flush Hole: .187
	EDM-3 Regular Tapping Electrodes 03-815 Thread Size: 1/2-13 Shank Dia.: .500 Pitch Dia.: -.005 Flush Hole: .234
	EDM-3 Regular Tapping Electrodes 03-816 Thread Size: 1/2-20 Shank Dia.: .500 Pitch Dia.: -.005 Flush Hole: .234
	EDM-3 Regular Tapping Electrodes 03-817 Thread Size: 5/8-11 Shank Dia.: .625 Pitch Dia.: -.006 Flush Hole: .250
	EDM-3 Regular Tapping Electrodes 03-818 Thread Size: 5/8-18 Shank Dia.: .625 Pitch Dia.: -.006 Flush Hole: .250
	EDM-3 Regular Tapping Electrodes 03-819 Thread Size: 3/4-10 Shank Dia.: .750 Pitch Dia.: -.006 Flush Hole: .250
	EDM-3 Regular Tapping Electrodes 03-820 Thread Size: 3/4-16 Shank Dia.: .750 Pitch Dia.: -.006 Flush Hole: .250

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