Grade 8 Hex Cap Screws "The Domestic Grade Eight Standard" All LEP Special Fasteners Grade 8 cap screws have been proudly manufactured in our plant located in Frankfort Indiana. LEPSF is dedicated to producing a superior product that will exceed customer expectations. We believe that stringent quality requirements coupled with our manufacturing "best practices" equate to providing our customers with a superior product & value option. Packaging LEPSF Gr8 cap screw are packaged in convenient 1/8 keg cartons, maximum container weight is 40 lbs. Plating All Grade 8 cap screws are RoHS compliant – zinc & yellow trivalent plated in-house at LEPSF Frankfort, IN. Raw Material All LEPSF Grade 8 cap screws are manufactured from CHQ wire melted & rolled in the United States. Uncompromising Quality Crisp corners & specific across-the-flats dimensioning, assuring superior wrench-ability during installation. Radius root threads for improved fatigue strength. Clean & defined point-chamfers, promoting ease of engagement during assembly.