Part of the ZaGO Sealing Screw Series, offering customized Socket Caps & Hex Bolts with a selection of custom options. The ZaGO Cap Screw's "œO" ring seals against leaks, reducing the need of repairs & replacement parts. Ideal for harsh working environments. KEY FEATURES • Socket Cap Screw/Hex Bolt Caps • Threading Options • Suitable for ZaGO Socket Caps & Hex Bolts ZaGO Socket Cap Screws & ZaGO Hex Bolts are ready to use, with a long cycle life - Perfect for Commercial use.