5/16" Diameter - 18 Threads per Inch Type 18-8 Stainless Steel
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5/16" Diameter -18 Threads per Inch
316 Stainless Steel (Salt Water Safe)
*Type 316 Stainless Steel should always be specified for salt water applications.
316 grade stainless steel has a lower carbon content than 18-8 type stainless (302HQ, 304 and 305) and contains molybdenum for superior corrosion resistance in salt water and other highly corrosive environments. It is the grade of stainless steel to be specified in any seaside application to prevent rusting & bleeding through.
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