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Protection Caps

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Standard Protection Caps are manufactured of low density black UV-resistant polyethylene that withstands temperatures of -84 °F to +210 °F. They are also resistant to water, brine, hydraulic fluid, diesel, greases, gasoline, hydrochloric acid concentrate, sulphuric acid to 40%, nitric acid to 40%, ammonia, and acetum. Further resistance properties can be given upon request. Standard Protective Caps are black, but they are also available in clear, white, red, grey, silver and other colors on request. The different types manufactured include: Type (1) for standard nuts or bolts without washers Type (2) for a nut or bolt with washer, and an adjustable telescopic two piece cap that can be produced in various lengths (It is even able to fit check nuts) Standard Protection Caps are manufactured of low density black UV-resistant polyethylene that withstands temperatures of -84 °F to +210 °F. They are also resistant to water, brine, hydraulic fluid, diesel, greases, gasoline, hydrochloric acid concentrate, sulphuric acid to 40%, nitric acid to 40%, ammonia, and acetum. Further resistance properties can be given upon request. Standard Protective Caps are black, but they are also available in clear, white, red, grey, silver and other colors on request. The different types manufactured include: Our caps are sized to fit heavy hex nuts only; they will not fit finished nuts properly.  Protection Caps are manufactured in sizes to fit 1/4 inch to 3 3/4 inch diameter bolts or studs. High temperature material of Polyamid A4H for use up to +430 °F is available.