Cold Headers
Cold Headers
5514 N. Elston Ave
Chicago, IL 60630
Phone: 1-773-775-7900
Fax: 1-773-775-0779
Email: sales@coldheaders.com
Website: www.coldheaders.com
Working Hours: Mon - Fri 8:00am - 4:30pm CST
Saturday - Sunday CLOSED If you have any questions, please call or email us.
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5-40 x 3/8 Alloy Steel Flat Head Socket Cap Screw with Nylon Insert gives OEM and maintenance teams a flush socket cap screw option for vibration-related service locations. The nylon insert provides prevailing-torque resistance that can help reduce loosening in machinery subject to vibration or repeated movement. This feature is useful for OEM equipment, automation systems, covers, guards, and service locations where joint retention matters. The 5-40 x 3/8 size supports exact catalog selection for robotics, packaging machinery, inspection fixtures, and serviceable machine components. For engineers, OEM manufacturers, purchasing managers, and maintenance professionals, this alloy steel part helps match the fastener to the assembly without changing the locked dimensions. Automation systems, tooling plates, machine frames, and engineered fastening locations are common sourcing contexts for this product family. Call Cold Headers at 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
Unit of Measure

Specifications

Brands

 N/A Cold Headers, Inc.

Diameter

 N/A 5-40

Length

 N/A 3/8 in

Material

 N/A Alloy Steel

Quantity

 N/A 100

Package Type

 N/A Box

Search

 N/A ASFHSCSNI.5-40.3/8

Note

Note

 N/A Less Than Package Quantity Specified Plus 25%.