Cap Screw – Hex Head, 3/8″-16 x 4-1/2″

A corrosion-resistant hex head cap screw sized for marine hardware installations where a strong, wrench-tightened fastener is needed.

Key Features

• Hex head drive for secure tightening with a wrench
• 3/8″-16 coarse thread for the specified application
• 18-8 stainless steel for improved corrosion resistance in marine environments
• Cap screw format designed for dependable clamping under proper bolt-up

Intended Use

• General marine and outdoor fastener replacement (where 3/8″-16 x 4-1/2″ hex cap screws and 18-8 stainless steel are specified)
• Accessory and hardware mounting using standard through-bolt clamping

Product Details

• Type: Cap Screw (Hex Head)
• Material: 18-8 Stainless Steel
• Thread: 3/8″-16
• Length: 4-1/2″
• LNS SKU: 50-00058
• Variant/pack info: Single item variant shown (SKU 50-00058).

Parts Desk Insights

Best Use Case: Best used when you need a replacement hex cap screw with the exact size (3/8″-16 x 4-1/2″) and material (18-8 stainless) to maintain clamp strength and corrosion resistance.

Common Issues: Common issues with this style are mismatched length/thread (leading to insufficient thread engagement or bottoming), and reusing damaged hardwarealways confirm the existing screw size before installation and check related parts (washers, mating surfaces) for proper alignment and sealing.

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