Cold Forged

Type A, cold forged wing screws are case hardened, where as the Metric - A2 Stainless is work hardened and softer than Type A.

Select Threads and Material
Inch - Type A - Zinc
Type A Cold Formed - Wing Screws
Metric - A2 Stainless
Cold Forged - Wing Screws - Light Series - American Type - A2 Stainless