For M3.5 and M4 screws. Main body depth - 4mm/ 0.16".
eBay
Rubber Cap Seals Nuts Silicone Sleeve Stopper Soft Cover End Caps Screw Plastic Blanking Protective Lid
Aliexpress UK
To suit Screws - Gauge 6g-8g approx. For Size 6 and size 8 Screw. Colour: White.
eBay
100-Pack Wood/White/Red/Black Color Pocket Plugs Plastic Caps for Pocket Hole Jig System
Aliexpress UK
M5 fit 8mm spanner size nuts & bolts. M6 fit 10mm spanner size nuts & bolts. M8 fit 13mm spanner size nuts & bolts. M10 fit 17mm spanner size nuts & bolts. M12 fit 19mm spanner size nuts & bolts.
eBay
M2 M2.5 M3 M4 M5 M6 M8 White Nylon Screw Nut Set Round Head Cross Phillips Bolt Plastic Insulated Screw
Aliexpress UK
WHITE PLASTIC POZI SCREW COVERS. COUNTERSUNK POZI WOOD OR SELF TAPPING SCREWS.
eBay
Phillips Cross Nylon Flat Head Machine Screw Metric Thread Plastic Countersunk Screws Bolt Black White M2 M2.5 M3 M4 M5 M6 M8
Aliexpress UK
Acorn nut caps for bolts and nuts from M5 to M30 in black, grey, white, and anthracite, available in sets of 10, 25, 50 or 100 pieces. Made from high-quality, UV-resistant PE polyethylene, these caps are durable, weatherproof, and protect against corrosion. Designed with precision, they feature a hexagonal tab for a secure fit and a polished finish. Ideal for protecting bolts in construction, machinery, furniture, playgrounds, and garden architecture. Easy clip-on installation ensures a snug and reliable fit without tools.
eBay
M2 M2.5 M3 M4 M5 M6 M8 White Nylon Phillips Countersunk Head Screws Plastic Phillips Head Bolts screw length: 4~ 50mm 20~300Pcs
Aliexpress UK
For M3.5 and M4 screws. Main body depth - 4mm/0.16".
eBay
50Pcs Hex Nut Cover, White Black M4 M5 M6 M8 M10 M12 Bolt Dome Caps Covers ,Plastic Dome Bolt Nut Protection Caps Cover for Bolt
Aliexpress UK
M10 Size - 17mm Wrench Size. For Hexagon Nuts and Bolt Heads. M10 - 17mm Wrench Size. M4 - 7mm Wrench Size. M5 - 8mm Wrench Size. M6 - 10mm Wrench Size. M8 - 13mm Wrench Size. M12 - 19mm Wrench Size.
eBay
Plastic 4 In 1 Lid Jar Opener Screw Cap Can Opener Multi Purpose Can Non-slip Bottle Lid Tool Grip Wrench Bottle Kitchen Gadgets
Aliexpress UK
Plastic construction for durability in both internal and external applications. These are suitable for both internal and external applications. a plastic washer (base), through which the screw or other fixing is inserted, and.
eBay
10pcs Lab 30ml PET Test Tube Bottle Screw Caps Transparent Cylindrical Plastic Refillable Bottle For Mask Candy Storage
Aliexpress UK