Amazon.com: TOGGLER SNAPTOGGLE Drywall Anchor with included bolts for 1/4-20 Fastener size; Holds up to 265 pounds Each in 1/2-in Drywall by TOGGLER (4 Pack) : Industrial & Scientific
TOGGLER SNAPTOGGLE BA Toggle Anchor, Zinc-Plated Steel Channel, Made in US, 3/8' to 3-5/8' Grip Range, For 3/16'-24 UNC Fastener Size (Pack of 100) - Walmart.com
toggler / snaptoggle HEAVY DUTY UK M6/M5 wall anchors not the 1/4 or 3/16