Thread Cutting

Copper

  Hardeness
(HB)
Resistance
RM (N/mm2)
Extension
A (%)
Pure copper/ electrolitic copper Pure copper/ electrolitic copper <120 <400 >12
Short chip brass/ phosphor bronze/ gun metal Short chip brass/ phosphor bronze/ gun metal <200 <700 <12
Long chip brass Long chip brass <200 <700 >12