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$544.50

.012"DIA TOPAS H.E.A.T. WIRE, 35LBS is manufactured in Germany by bedra and sold exclusively by Single Source Technologies. It features a CuZn20 (80% copper, 20% zinc) core with a zinc-rich brass double-layer coating and is highly suitable on a variety of EDM machines. Its brass core allows for higher cutting power and speed and the double-layer coating can help prevent wire breaks.

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topas H.E.A.T. was originally developed by bedra for Makino machines with a H.E.A.T. generator but has since proven itself to be highly suitable on a variety of EDM machines.

It's ideal for substantial productivity improvements and increases in cutting speeds with applications that feature tall or stepped workpieces as well as with poor flushing conditions. It also performs extremely well in nickel alloy and aerospace applications as it dramatically increases cutting speeds and decreases cycle times.

It is manufactured in Germany by bedra and sold exclusively by Single Source Technologies.
topas H.E.A.T. EDM wire features a CuZn20 (80% copper, 20% zinc) core with a zinc-rich brass double-layer coating. The high copper content of the brass core provides the benefits of highly efficient energy transfer which allows for higher cutting power and speed. The zinc enriched, patented double-layer coating promotes efficient cutting and its porous nature assists in flushing which helps prevent wire breaks.


It is manufactured to a tensile strength of 800 N/mm2 and features a minimum elongation of 1%. It comes in .010"/0.25mm and .012"/0.30mm diameter on a wide variety of spools.

EDM Wire
Wire Diameter (in) .012
Wire Diameter (mm) 0.30
Elongation 1
Conductibility 27.6
Wire Core Brass 80/20
Wire Coating Double layer gamma
Tensile Strength (N/mm2) 800
Target Materials Steel, Copper, Tungsten carbide, Aluminum, Nickel, Titanium, PCD
Flushing Conditions Poor
Work-piece size/shape Tall parts > 4"
Application Priority (speed vs precision) Highest speed
Recommended Usage Aerospace, Molds, General Machining, Medical
Spool Type bedra16
Spool Weight (lb) 35.2
Spool Weight (kg) 16
Approximate Length/spool (yd) 28,871
Approximate Length/spool (m) 26,400
Packaging Quantity 1/box
Machine Manufacturer Makino
Mitsubishi
Fanuc
Sodick
GFMS AgieCharmilles

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