Generic Glvaner 5/16-18 x Stainless Steel Carriage Bolts Screws Round Head Square Neck and Hex Nuts

Package Includes: 8 Pcs Carriage Bolts (5/16-18 x 2-1/2″) + 8 Pcs Hex Nuts (5/16″-18)+ 8 Pcs 5/16″ ID Flat Washers Thread Size: 5/16-18; Thread Pitch: 18 TPI; Thread Type: Coarse Thread Bolt head diameter: 18mm; Round head height: 4.3mm; Screw length (including the neck): 2-1/2 inch or 63mm Material: 304 stainless steel (A2) and no exterior finish, greater strength and corrosion resistance performance than regular stianless steel or zinc plated fasteners. Carriage bolts have a dome shaped head and a square neck generally requiring a hex nut and flat washer. The square neck makes them self-locking when used within a square hole.

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1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.