APPROVED VENDOR Hex Head Cap Screw: 3/8"-16 Thread Size, Plain, Stainless Steel
The APPROVED VENDOR Hex Head Cap Screw (SKU 811GJ6) is a Nylon Patch Lockable Hex Head Cap Screw with a 3/8"-16 thread size. It is plain, stainless steel, Grade 18-8, partially threaded, and conforms to ASME B18.2.1…
SKU 3G-OTH-534089
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Product Description
The APPROVED VENDOR Hex Head Cap Screw (SKU 811GJ6) is a Nylon Patch Lockable Hex Head Cap Screw with a 3/8"-16 thread size. It is plain, stainless steel, Grade 18-8, partially threaded, and conforms to ASME B18.2.1 dimensional standards (MPN 31-PH-37C-300).
Frequently Asked Questions
What is an APPROVED VENDOR Nylon Patch Lockable Hex Head Cap Screw used for?
This hex head cap screw is used in industrial fastening applications where vibration resistance is needed. The nylon patch locks the threads to prevent loosening. It is suitable for machinery, equipment assembly, and structural joints across industries like machining, material handling, and power transmission.
What are the specifications of the APPROVED VENDOR Hex Head Cap Screw 3/8"-16?
This screw has a 3/8"-16 thread size, is plain stainless steel Grade 18-8, partially threaded, and conforms to ASME B18.2.1 dimensional standards. The manufacturer part number is 31-PH-37C-300. It is a Nylon Patch Lockable design for secure fastening.
Where to buy APPROVED VENDOR Hex Head Cap Screws worldwide?
3G Electric supplies and delivers APPROVED VENDOR hex head cap screws worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure reliable delivery to your facility. Contact us for availability and lead time on this and other fasteners.
How to select the correct APPROVED VENDOR hex head cap screw for an application?
Select based on thread size, material, grade, and locking feature. For this screw, use 3/8"-16 thread, stainless steel Grade 18-8 for corrosion resistance, and the nylon patch lock for vibration-prone assemblies. Verify dimensional compliance with ASME B18.2.1 for proper fit.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR nylon patch lockable hex head cap screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









