To suit 6 & 8 gauge screws. Wher screws are added they are 20mm long. Available in Black, White or Yellow. One piece hinge design.
eBay
Titanium alloy 3D printing Bicycle Stem Headset Top Cap For Special SL8 Handlebar With Screw Headset Cover Bike Parts
Aliexpress UK
290 Pcs Screw Covers White Self-Adhesive - 12Mm, 15Mm, 21Mm - Dustproof & Waterproof Screw Hole Covers for Furniture Screws & Cabinets,Desk,Wall,Furniture Stickers. These white screw cover stickers ensure a precise fit for any furniture screw or hole.
eBay
Titanium M8X15mm Crank Cap Bottom Bracket Axle Screw Center Shaft Crankset Fixing Bolts for Bike Cover Square Hole Crankarm Bolt
Aliexpress UK
Size of Plastic Cap: - 12mm dia. LIGHT BROWN.
eBay
Bicycle Headset Stem Cap MTB Road Bike Stem Headset Top Cap Cover with Screw for 28.6mm Fork Head Tube Cycling Accessories
Aliexpress UK
To suit 6 & 8 gauge screws. Screws supplied are 20mm long. Available in Black, White or Yellow.
eBay
KOCEVLO PRO Bicycle Headset Top Cap W/ M6*30mm Titanium Screw for 1-1/8" Front Fork Aluminium alloy Stem Top Cover
Aliexpress UK
Thread protector cover is made of vinyl rubber material, flexible and insulated, can widely used in furniture, electricity and so on. Perfect for covering screws or other threaded parts. Colour: Red, Yellow, Grey, Blue, Green, White, Clear.
eBay
4pcs RISK Road Bicycle Bike Oil Disc Brake Bleed Nipple Cover Dustproof Plug Bleeder Oil Nozzle Screw Dust Cap for R7170/ R8170
Aliexpress UK
Suitable for Countersunk screws. - Furniture upholstery. ALL PRODUCTS GLOSS FINISH FOR 10-12 Gauge screws. - A plastic washer (base), through which he screw is inserted. - A plastic cap, which locks over the washers, providing an air & watertight seal that protects fastener head from rust and corrosion.
eBay
Ultralight 28.6mm Bicycle Headset Top Cap CNC Aluminium Alloy MTB Road Bike Stem Cover with Screw Multicolor Cycling Accessories
Aliexpress UK
Hexagon screw protection cap. Head shape: round. The screws in the picture are only displayed for use (the product does not include screws). Complete specifications and a variety of colors to choose from.
eBay
Carbon Bicycle Stem Top Cap with Screw For 31.8mm-28.6mm 1 1/8" Steerer Fork Tube OD2 Headset Cap Cover
Aliexpress UK
For M3.5 & M4 Screws. PLASTIC HINGED SCREW CAP COVERS. Light Brown. Dark Brown. Quantity 100. Quantity in Lot: - 100 Plastic Covers.
eBay
RISK 2 In 1 Bicycle DUB Crankset Cover Removal Tool For XTR M9100 Bottom Bracket Crank Screw Removal Tool 3/8”Ratchet Wrench Set
Aliexpress UK