Stainless Steel Self Drilling Metal Tek Screws

What types of stainless steel screws can self-drill into metal?

Stainless Self Drilling Screws (Tek Screws) come in a range of screw gauges and are designed specifically for drilling through thin sheet metal, and are available in a range of head types and drives. Available in hardened Martensitic Stainless Grade 410 and Hardtec, also available in Bi-Metal where the screws have a Grade 316 Stainless Steel body and hardened Carbon Steel Tip.