DRILL13 (550) is a martensitic stainless steel, and its quench hardenability is significantly improved. Appropriate addition of Cr and Mo and adjustment of trace elements can show corrosion resistance, elasticity and ductility of SUS 304 or higher.

characteristic:

1. Stainless steel that can be quenched
2. Quenching hardness is about 550HV
3. Salt spray test, self-test for more than 3000 hours
4. Anti-rust ability exceeds 304 material
5. It can replace Bi-metal’s complicated procedures, has stable yield, greatly improves efficiency, reduces costs, and can be lightweight
6. Widely used in outdoor self-tapping, acid-resistant, high-strength screws, self-tapping screws, high-strength nails, various pins, high-strength chains and other parts that require high hardness and high rust resistance, truly one-piece perfect stainless steel screws
7. Screws for wind power, yachts, etc.