APPROVED VENDOR Hex Head Cap Screw: 5/16"-18 Thread Size, Plain, Stainless Steel
The APPROVED VENDOR Hex Head Cap Screw (SKU 811GK1) is a Nylon Patch Lockable Hex Head Cap Screw with a 5/16"-18 thread size. It is plain, stainless steel, Grade 18-8, partially threaded, and manufactured to ASME…
SKU 3G-OTH-534084
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Product Description
The APPROVED VENDOR Hex Head Cap Screw (SKU 811GK1) is a Nylon Patch Lockable Hex Head Cap Screw with a 5/16"-18 thread size. It is plain, stainless steel, Grade 18-8, partially threaded, and manufactured to ASME B18.2.1 dimensional standards (MPN 31-PH-31C-150).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a Nylon Patch Lockable Hex Head Cap Screw used for?
A Nylon Patch Lockable Hex Head Cap Screw, like the APPROVED VENDOR 5/16"-18, is used in industrial assemblies where vibration resistance is critical. The nylon patch creates a locking action to prevent loosening. It is common in machinery, automotive, and structural applications requiring a secure, reusable fastener.
What are the specifications of the APPROVED VENDOR Hex Head Cap Screw 31-PH-31C-150?
The APPROVED VENDOR Hex Head Cap Screw (SKU 811GK1) has a 5/16"-18 thread size, is plain stainless steel Grade 18-8, partially threaded, and meets ASME B18.2.1 dimensional standards. The manufacturer part number is 31-PH-31C-150. It is a Nylon Patch Lockable design for vibration resistance.
Where to buy APPROVED VENDOR Hex Head Cap Screws worldwide?
3G Electric supplies APPROVED VENDOR Hex Head Cap Screws worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source the 5/16"-18 Nylon Patch Lockable screw (SKU 811GK1) or other fasteners for your application.
How to select the correct Nylon Patch Lockable Hex Head Cap Screw?
To select the correct Nylon Patch Lockable Hex Head Cap Screw, match thread size (e.g., 5/16"-18), material (stainless steel Grade 18-8 for corrosion resistance), and dimensional standard (ASME B18.2.1). Ensure the thread style (partially threaded) suits your joint length. The nylon patch provides locking without separate washers.
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.









