Carriage Bolt, Square Neck, 4" L, PK20, FOREVERBOLT, Mfr# FBCB384P20

Carriage Bolt, Inch, Neck Type Square, Basic Material Stainless Steel, Material Grade 18-8, Fastener Finish NL-19(SM), Dia./Thread Size 3/8 In.-16, Fastener Length 4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Drill Size 25/64 in, Head Dia. 0.844 in, Head Height 13/64 in, Head Type Carriage, Square Height 0.219 in, Square Width 0.388 in, Tensile Strength 100,000 psi, For Use With 18-8 Stainless Steel Nuts, Package Quantity 20