1/4-20 x 3/4" Carriage Bolts, 304 (18/8) Stainless Steel Carriage Screws, Round Domed Head Square Neck, Grade A2-70, Full Thread, Coarse Thread UNC, 25 PCS

Additional Details from the Manufacturer

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More features

• Contents: 25 PCS 1/4-20 x 3/4 inch carriage bolt with round domed head and suqare neck
• Screw Length: 3/4 inch or 13mm (measured from under the round head, including the neck height)
• Material: 304 Stainless steel 18/8 which provides good strength and perfect corrosion resistance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance
• Diameter of the head: 14.3-15mm; Height of the round head: 3.18-3.68mm; Height of the Neck:3.18-3.96mm
• Design feature: Big round domed head designed to eliminate the need for a washer; Square neck underneath the head helps self locking; Their strong holding power ensures the stability and reliability of your contructions; Use wrench or plier tools to turn the square neck to install them