Self Drilling Screws, 420pcs Self Tapping Screws for Metal 410 Stainless Steel Sheet Metal Screws #8#10, CGBOOM Wafer Head&Washer TEK Head Screws for Building and Repair: Amazon.com: Industrial & Scientific
TR knowledge base | Thread geometry - Self Tapping Screws
VIGRUE 370PCS Self Tapping Screws for Metal, Black Self Drilling Screws, 410 Stainless Steel #8 Sheet Metal Screws Length 1/2" to 1-1/4" - Walmart.com