RAM® Tough-Ball™ with 5/16"-18 X .75" Threaded Stud

Name: RAM® Tough-Ball™ with 5/16"-18 X .75" Threaded Stud
Brand: RAM Mounts
SKU: RAP-379U-311875
Price: 8.39 USD
Availability: InStock
Rating: 5.0 (5 reviews)

RAM® Tough-Ball™ with 5/16"-18 X .75" Threaded Stud - Main image

$8.39 ~~$13.99~~ In stock

Category: Components

The RAM® Tough-Ball™ with 5/16"-18 x .75" threaded stud is a steel-reinforced ball base from RAM Mounts, designed as a mounting component for compatible RAM® mounting systems.

5/16"-18 threaded stud with a .75" length
Steel-reinforced post construction
C size 1.5" ball, rated to hold up to 4 lbs
Part of the RAM® Tough-Ball™ line of threaded ball bases
SKU: RAP-379U-311875

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Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Evelyn ★★★★★ Oct 23, 2026

The threaded stud screwed into my dash mount perfectly and feels rock solid even on bumpy roads. I like that the ball is steel-reinforced, giving me confidence it won't snap under pressure.

Lucy B. ★★★★★ Oct 22, 2026

The threaded stud on this ball base screwed into my equipment's standard tripod mount without any wobble, which was a relief. I like how the steel reinforcement gives me confidence it won't strip out over time.

Lily ★★★★★ Oct 21, 2026

The steel reinforcement on this threaded stud feels much sturdier than the all-plastic bases I've used before. It locked right onto my existing mount arm with zero wobble. Exactly the reliable component I needed for a solid install.