Zinc Self-Drilling Drywall Anchors with Stainless Steel Screw Kit, Heavy Duty Metal Wall Anchors and #8 x 1-1/4 Inches Screws, 30 Pieces in Total: Amazon.com: Industrial & Scientific
MAXDRILL ROCK TOOLS CO.,LTD
Arrow 10-Piece Self-Drilling Drywall Anchors and Screws - Walmart.com
R103 Self Drilling Hollow Anchor Bar - China Drilling, Anchor Bolt | Made-in-China.com