5/16″-18 x 4″ 18-8 Stainless Coarse Full Thread Hex Head Tap Bolts (4 pcs.)
Diameter: 5/16″ Length: 4″ Material: Stainless Steel Head Style: Hex (1/2″ Wrench) Thread Size: 18 (Coarse) Thread Length: Full Hardness: 18-8 Style: Full Thread Type: Tap Bolt Box of 4. A tap bolt is a bolt threaded all the way to the head.