Grainger Hex Head Cap Screw: Stainless Steel
The APPROVED VENDOR Hex Head Cap Screw is an 18-8 stainless steel vented hex head cap screw, plain grade 18-8 with a 5/16"-18 thread size (MPN 31-VH-31C-75). 3G Electric interprets this demand and delivers it across…
SKU 3G-OTH-535301
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Product Description
The APPROVED VENDOR Hex Head Cap Screw is an 18-8 stainless steel vented hex head cap screw, plain grade 18-8 with a 5/16"-18 thread size (MPN 31-VH-31C-75). 3G Electric interprets this demand and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is an APPROVED VENDOR Hex Head Cap Screw used for?
This 18-8 stainless steel vented hex head cap screw is used in industrial fastening applications where corrosion resistance and secure assembly are required. 3G Electric supplies this and other fasteners across 14 industrial departments, with specialist depth in combustion, pumps and controls.
What are the specifications of the APPROVED VENDOR 31-VH-31C-75?
The APPROVED VENDOR Hex Head Cap Screw is plain grade 18-8 stainless steel with a 5/16"-18 thread size. The manufacturer part number is 31-VH-31C-75. 3G Electric sources this fastener and provides technical support for selection and application.
Where to buy APPROVED VENDOR Hex Head Cap Screws worldwide?
3G Electric supplies APPROVED VENDOR Hex Head Cap Screws worldwide. We handle full logistics and customs clearance to deliver this 18-8 stainless steel fastener to your facility. Contact us for availability and lead time on the 31-VH-31C-75.
How to select the right hex head cap screw for industrial use?
Select based on thread size, material grade, and environmental conditions. For corrosion resistance, 18-8 stainless steel like this APPROVED VENDOR screw is suitable. 3G Electric provides sourcing and application guidance across 14 departments, including specialist support for combustion and pump systems.
Grainger Products
3G Electric supplies Grainger 18-8 stainless steel vented hex head cap screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

