5/16-18 x 3-1/2" Carriage Bolts and Nuts Combo Galvanized Steel Qty 50

Item Specifications

• UPC 842176171258
• Package Quantity 50
• Size 5/16"-18 x 3-1/2"
• Head Style Round
• Head Diameter 0.719"
• Head Height 0.176"
• Inch / Metric Inch
• Thread Size 5/16"-18
• Thread Dia. 0.3125"
• Thread Class Class 2A
• Coarse / Fine Coarse
• Threads Per Inch (TPI) 18
• Thread Coverage Full Thread
• Length 3-1/2"
• Thread Length Dec. 3.5"
• Material Steel
• Material Type Hot Dip Galvanized Steel
• Grade Grade 307A
• Finish Hot Dip Galvanized
• Specification 1 ASTM : A307
• Specification 2 ASTM : A153
• Specification 3 ASME : B18.5
• Tensile Strength 60,000 PSI
• Core Hardness Rockwell B69
• Item Type Bolts
• Product Code 5150-6225
• SKU 3GBC905C0308