ARP 200-8639 Locking Hex Nuts, 1/4-28 Thread, Set of 10

ARP 200-8639 locking hex nuts are designed with a 1/4-28 inch thread and a 7/16 inch hex head for compatible fastening applications. Each nut features a serrated flange that helps provide locking engagement when installed.

Constructed from steel with a cadmium finish, these nuts combine durable material construction with corrosion-resistant surface treatment. The hex-head design supports installation with an appropriate wrench or socket.

This set includes 10 ARP locking hex nuts, making it suitable for replacement or assembly needs where 1/4-28 inch threaded fasteners are required.

Features:

• Brand: ARP
• Part Number: 200-8639
• Thread Size: 1/4-28 inch
• Hex Head Size: 7/16 inch
• Flange Style: Serrated
• Material: Steel
• Finish: Cadmium
• Quantity: Set of 10