Glvaner (10 Sets) 1/4-20 x 3″ Stainless Steel Carriage Bolts Screws Round Head Square Neck and Hex Nuts Flat Washers 304 Stainless Steel 18-8 Full Thread Coverage-Fast Shipping

Description

Package Includes: 10 Pcs Carriage Bolts (1/4-20 x 3″) + 10 Pcs Hex Nuts (1/4″-20)+ 10 Pcs 1/4″ ID Flat Washers

Thread Size: 1/4-20; Thread Pitch: 20 TPI; Thread Type: Coarse Thread

Bolt head diameter: 15mm; Round head height: 3.5mm; Screw length (including the neck): 3 inch or 75mm

Material: 304 stainless steel (A2) and no exterior finish, greater strength and corrosion resistance performance than regular stainless 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.