Have you tried contacting Dieter Horneber directly for brass? His prices are high but quality is very good and he will ship directly to you. He usually has most everything in stock.

Huelsen Horneber
Siegelsdorfer Str. 34
D 90768 Fuerth
Phone (011) 911/7530607
Fax (011) 911/767249
www.huelsen-horneber.de
E-Mail: info@huelsen-horneber.de or DHorneber@aol.com