Stainless Steel Hex Washer Head Tek Screws.

• The Hex Washer Head TEKS are Used for Self Drilling in Thin Gauge Metals.
• Made from Grade 410 Bright Hardened Stainless Steel Used in Self-Drilling (Tek) Screws Intended for Steel Substrates is a Martensitic Alloy Containing 12% Chromium But No Nickel.
• It is Therefore Somewhat Less Resistant to Corrosive Attack Than the 300 Series Grades.
• The Reason For This is 300 series Isn't Hard Enough to Keep a Drill Point.
• It is Magnetic and is Hardenable by Heat Treatment Which Gives it the Mechanical Properties Necessary to Penetrate Most Metallic Materials.
•  It is Recommended That These Fasteners be Used in Thinner Material.
• These Fasteners are Most Popular for use in Aluminum.
• Stainless Steel Tek Screws, Tek Screws Stainless Steel, 410 Stainless Tek Screws.