Reliable Protection: PU screw caps offer reliable thread protection and dust protection for screws and bolts by acting as insulating covers and dustproof screw caps that protect against dirt, moisture, and abrasion. The round plastic end caps and thread protection covers form a secure barrier over bolt heads and help preserve the integrity of components during storage, transport, and installation. Ideal for industrial and maintenance tasks where insulating protection and flame retardant caps are required.

Easy Installation: Designed for quick and easy installation: the black PU screw caps are simply pushed onto bolt heads and threads for immediate dust protection. The set includes 250 pcs PU screw caps that support large-scale jobs and repetitive tasks, suitable for production lines, workshops, and on-site work. As insulating protection and thread protectors, they require no tools and can be applied by hand to many types of screws and bolts.

Compact Fit and Fire Protection: With precise dimensions Length:0.4cm Width:0.2cm Height:0.2cm, these PU screw caps are adapted for small fasteners and delicate assemblies, providing secure protection without unnecessary bulk. The compact rounded plastic end caps conform to the shape of bolt heads for a tight fit in electronics, automotive details, and mechanical assemblies. Made of PU and flame retardant, they combine electrical insulation with dustproof properties for use in electrical cabinets, control units, and industrial equipment where thread protection and bolt protection are needed.

Specifications:

Color: black

Size: Length:0.4cm Width:0.2cm Height:0.2cm

Material: PU

Features: Black x screw thread protector, insulating cover, dustproof protective cap, insulating sleeve, round plastic, thread bolt protector, insulating, flame retardant

Package includes:

Dust caps x 250