RAM Tough Ball - B Series 1" - with 6mm M6 Male Threaded Post

RAP-B-379U-M616 – RAM® Tough-Ball™ with M6-1 x 6mm Threaded Stud (B Size)

The RAP-B-379U-M616 is a RAM® Tough-Ball™ with a 1" B-size rubber ball on an M6-1 x 6mm stainless steel stud. The M6 thread suits a range of marine electronics and accessories, giving you a B-size ball that drops into any B-size RAM® double socket arm.

Key Features

• M6-1 x 6mm male thread for devices with an M6 mounting hole
• 1" B-size rubber ball fits any B-size RAM® double socket arm for near-infinite adjustment
• High-strength composite body with stainless steel stud for marine and outdoor use
• Backed by RAM Mounts' lifetime warranty

Common Uses

Handy for mounting a Raymarine Dragonfly depth sounder, and used as a mounting base on RED paddleboards from 2020 onwards, which switched to a 6mm thread.

Specifications

• Thread: M6-1 x 6mm
• Ball size: 1" (B size)
• Material: high-strength composite with stainless steel thread
• Weight: 32 g (0.07 lb)
• Load rating: 907 g (2 lb) standard use, 454 g (1 lb) heavy-duty use

FAQs

Which RED paddleboard does this suit?

RED boards from the 2020 model year onwards, which use a 6mm thread. For 2017 to 2019 boards you need the M8 version (RAP-B-379U-M81208).

Which RAM arms does it fit?

The 1" ball fits any B-size RAM® double socket arm and any B-size socket base.