Designed for serious craftsmen, this high-performance leaf spring material is engineered for reliability and durability. Crafted from premium carbon stainless steel, it meets the rigorous standards of the world’s top custom automatic knife makers. Unlike 301 or 302 work-hardened stainless steel, this heat-treated spring steel (40-45 RC) maintains its strength over time, ensuring consistent, aggressive action without weakening.
Perfect for shaping to your exact specifications, this .070-inch thick, .160-inch wide leaf spring material delivers the precision and resilience you need for custom automatic knives, firearms, and other high-tension applications. When failure is not an option, trust a spring stock that’s built to last.
Specifications:
Material: Carbon Stainless Steel
Hardness: 40-45 RC
Width: 0.160 inches (4.06 mm)
Thickness: 0.070 inches (1.78 mm)
Length: 6 inches (152.4 mm)
Customizable: Can be shaped to fit
