For M3.5 and M4 screws. Main body depth - 4mm/0.16".
eBay
Hexagonal Nut Flat Head Plastic Protective Cap External Hexagonal Screw Low Head Decorative Cap Dust-Proof Cover
Aliexpress UK
Total Depth -6.5mm/0.25". Insert Depth -5mm/0.2".
eBay
Hexagonal Nut Flat Head Plastic Protective Cap External Hexagonal Screw Low Head Decorative Cap Dust-Proof Cover
Aliexpress UK
If you're conscious of your screw fixings showing and making your furniture look bad, these may be the ideal quick-fix solution for you! No need for glue either, as these are made with a sticky adhesive film on the back, so just peel them off the sheet and stick on wherever you need them!
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200PCS Push On Dishwasher Rack Screw Thread Protectors Caps Tip Covers Rack Tips Gray Caps Prong Rack Tip Cover Prong Rack Tip
Aliexpress UK
Size of Plastic Cap: - 12mm dia. LIGHT BROWN.
eBay
56Pcs Black Plastic Screw Caps with Foam Liner 4 Style 18mm/24mm/28mm Flat Round Bottle Jug Storage Cap Lids for Jars and Bottle
Aliexpress UK
LIGHT OAK X20. Ideal for covering shelving or screw holes on all types of furniture.
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Multifunctional Four In One Can Opener New Screw Cap Can Opener Manual Non-Slip Twist Cap Bottle Opener Kitchen Gadget
Aliexpress UK
SCREW COVERS.
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P1/P2/P3/P4/P6 Screw Terminal Caps Spring Loaded Quick Wiring Crimpless Terminals Swivel Closed End Terminals Wire Crimp Caps
Aliexpress UK
Features:1.Cover screws with these easy to apply matching adhesive caps2.Ideal for covering shelving or screw holes on all types of furniture3.Very easy to use, simply peel from the backing sheet and stick over the hole to be coveredSpecification:Material: PVCColor:White,White Lines,White Maple Wood,Black Lines,Black Walnut,Light Oak,Deep Oak,Cherry Wood,Cherry,Red Walnut,MapleDiameter:21mm/ 0.83"Thickness:0.35mm/0.01"Totally Caps:54 each per sheetPackage Content: 1/2/3 Sheet x Screw Hole Stickers.
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Protective Caps for Screw M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 Plastic Allen Key Hex Bolt Socket Head Caps Protective Cover
Aliexpress UK
Ideal for covering shelving or screw holes on all types of furniture. Very easy to use, simply peel from the backing sheet and stick over the hole to be covered. This includes, Northern Ireland, Jersey, Channel islands, Ireland / Isle of Man / Scottish Islands etc.
eBay
Professional Can Opener Multi functional plastic bottle opener bottle cap creative can screw cap, four in one lid opener
Aliexpress UK