Bolt Dome Caps Rubber Hex Nut Cover M4 M5 M6 M8 M10 M12 Hex Hexagon Protection Cap Cover for Screws or Bolts 145pcs

• High-quality PE Plastic: Made of high-quality PE plastics, good insulation and it can effectively prevent outdoor hexagon screws weathering and rusting, provide good protection for nuts.
• Bolts Protection: The hex nut cover can protect the bolts from rust water, dust, etc., Reduce dust pollution and rain, prevent bolt corrosion, beautify the appearance, thereby extending the life of the bolt.
• Without Thread: Just press the nut covers straight to the bolts, easy to install. Perfect for covering, can prevent nuts from getting loose and falling off.
• Wide Application: Suitable for machine equipment, petrochemical, valve, gas pipeline, bridge base guardrail, street light and other places. Provide external nuts and bolts to prevent weathering and damage.
• 6 Size with Storage Box: M4 * 50, M5 * 30, M6 * 20, M8 * 10, M10 * 20, M12 * 15. Containing 145 pcs nut covers, can meet your various production needs. With a transparent storage box for easy store and carry, you can find the appropriate nut cover quickly.

Best Choice for Covering Nuts - Made of high-quality PE plastic, durable and not easy to deform. - These simple nut caps help protect your bolt heads from dust and corrosion. - Available in 6 sizes: M4, M5, M6, M8, M10, M12. - Simply push down onto your bolts for a firm fit, will not fall off easily. - Suit for protecting screws from rusting outside, water, dust, etc., help to prolong screws' service life. - Packed in a clear storage box, it is easy to store and carry, clear, easy to find the appropriate nut cover quickly. Specifications: Material: PE Color: Black Size & Quantity: M4 x 50pcs M5 x 30pcs M6 x 20pcs M8 x 10pcs M10 x 20pcs M12 x 15pcs Package includes : 1 Box * 145 Nuts Warm Tips : 1) Please note these caps are sold by thread size of BOLT/NUT so if you are looking to rubber nut cover FOR M4 BOLT/NUT then the flats on hexagon head will be 7mm and so on. 2) Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 3) Please allow slight dimension difference due to different manual measurement. Your satisfaction is our greatest pursuit, please feel free to contact with us if you have any question. We will reply you in a working day.