5/8-11 x 2 1/2 1960 Series 18-8 Stainless Steel Socket Head Cap Screw with Nylon Insert is a stainless socket cap screw for assemblies that combine cleaning exposure with motion or vibration. Its locking element supports service where a standard all-metal cap screw may need an added thread-locking feature.
This size is often reviewed for bottling lines, guide rails, and cleaning-cycle equipment when a stainless cap screw must retain a familiar socket head form. Because 18-8 is not heat-treated for maximum clamp load, compare the 1960 Series Alloy Steel SHCS with Nylon Insert when joint strength is the governing requirement.
For torque-once joints where a locking pellet is not required, plain 18-8 Socket Head Cap Screws may be the simpler routing. Since 1962, Cold Headers has helped buyers locate specialty socket fasteners for production, repair, and distributor requirements.
Technical Highlights
- Series: 1960 Series
- Material: 18-8 Stainless Steel
- Thread Size: 5/8-11
- Length: 2 1/2 in.
- Drive Type: Internal Hex
- Locking Feature: Nylon insert providing prevailing torque
- Nylon Insert Diameter (P): 3/16 in.
- Nylon Insert Location (N): 5/16 in. +/-1/2 pitch
- Head Dimensions: ASME B18.3, 1960 Series
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
