WAX BALL SPRUE 6MM / 250
YE7560250Fluid metal experiences a contraction upon solidification. The resulting partial vacuum can be compensated by drawing molten metal from the “reservoir”. This was the idea when the sprues were created.
Ball Diameter = 6mm
Supplied as a packet of 250
Also available:
Sprues Blue, Ball-Diameter 4mm, Pkt 250 (YE7540250)
Sprues Blue, Ball-Diameter 5mm, Pkt 250 (YE7550250)
Sprues Blue, Ball-Diameter 7mm, Pkt 250 (YE7570250)
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