Oesterle
Test disc made of stainless steel (Ø 16 mm, R 0,5 mm)
Test disc made of steel (Ø 16 mm, R 0,5 mm), 1 mm thickness, 0,5 mm edge radius
Test disc made of Duroplast (Ø 16 mm, R 0,5 mm)
Test disc made of duroplast (Ø 16 mm, R 0,5 mm), 1 mm thickness, 0,5 mm edge radius
Test disc made of copper (Ø 16 mm, R 0,5 mm)
Test disc made of copper (Ø 16 mm, R 0,5 mm), 1 mm thickness, 0,5 mm edge radius