General Purpose Plugs for Metric Threads - Manufactured by MOCAP
Tapered Plugs and Caps | StockCap, A Plastic Cap and Plug Manufacturer
CP-2 Coil Setting Plug – Plastic : Meadow Burke
What Type of Plastic Is Used To Make a Plastic Plug?
HUD-1 Plastic wall plug - Plastic Anchors - Hilti USA
Tapered Polyethylene Plastic Plug Caps with Dual Function Closures - Manufactured by MOCAP
Everbilt #10-12 x 1 in. Green Plastic Plugs (12-Piece) 804022 - The Home Depot
JIC Plastic Cap and Plug Kit Set 164pcs 7-Sizes -3an -4an -6an -8an -10/-12/16AN | eBay
Plastic Knockout Plugs | UL Recognized Threaded Plugs
Caplugs 99390176 Plastic Threaded Plug for Pipe Fittings. P-48, PE-HD, to Plug Thread Size 1/2 NPT", Red (Pack of 50): Amazon.com: Industrial & Scientific
Ford Oil Plug Replacement - Femco Oil Drain Plugs
Brackit 100 Pack Masonry Rawl Plugs - 6x30mm (1/4"x1-3/16") - Heavy Duty Plastic Wall Plug Fixings for Brick, Concrete, Stone – Ideal for Building or Hardware - - Amazon.com
25-Pack 1-in White Plastic Hole Plug in the Hole Plugs department at Lowes.com