5/16-18 x 3/8" Flat Head Socket Cap Screws Black Oxide Alloy Steel Qty 50

Item Specifications

• UPC 842176136639
• Package Quantity 50
• Size 5/16"-18 x 3/8"
• Head Style Flat
• Counter Sink Angle 82 Degree
• Head Diameter 0.656"
• Head Height 0.198"
• Drive Style Allen Hex Key
• Drive Size 3/16"
• Inch / Metric Inch
• Thread Size 5/16"-18
• Thread Dia. 0.3125"
• Thread Class Class 3A
• Coarse / Fine Coarse
• Threads Per Inch (TPI) 18
• Thread Coverage Full Thread
• Length 3/8"
• Thread Length Dec. 0.177"
• Material Alloy Steel
• Grade Grade 8
• Finish Black Oxide
• Specification 1 ASME : B18.3
• Tensile Strength 120,000 PSI
• Core Hardness Rockwell C32
• Item Type Socket Screws
• Product Code 5150-10430
• SKU 721164