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RAM® Tough-Ball™ with 1/4"-20 x .25" Threaded Stud - B Size

Part #: RAP-B-379U-252025 UPC: 793442937040

Features

RAM® Tough-Ball™ features a 1/4"-20 x .25" male threaded post for connection to a variety of devices
Included B size 1" RAM® rubber balls allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
Made of high-strength composites with stainless steel thread post for durability and reliability in the most demanding environments
Backed by a lifetime warranty

Product Information
Overview	The RAP-B-379U-252025 consists of a 1" diameter rubber ball connected to a 1/4"-20 x .25" male threaded post. The male thread matches most standard camera and camcorder female threads found on the bottom of these devices.

Specifications
thread pitch	1/4"-20 x .25"
ball size	B Size (1")
weight capacity	Standard Use: 2 lbs Heavy-Duty Use: 1 lb
materials	High strength composite Stainless steel
packaging type	Poly Bag
Weight	0.07 lb

RAM® Tough-Ball™ with 1/4"-20 x .25" Threaded Stud - B Size

Name: RAM® Tough-Ball™ with 1/4"-20 x .25" Threaded Stud - B Size
Brand: RAM Mounts
SKU: RAP-B-379U-252025
Price: 10.49 USD
Availability: InStock

Part#: RAP-B-379U-252025

UPC: 793442937040

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size

Holds .5 lbs.

Trail Cameras

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

Holds 4 lbs.

Fish Finders, Heavy Duty Tablets

D Size

Holds 6 lbs.

Heavy Monitors

E Size

Holds 15 lbs.

Heavy Monitors

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

Size	A Size	B Size	C Size	D Size	E Size
Short Arm	Overall Length N/A	Overall Length 2.42"	Overall Length 3.56"	Overall Length 5.69"	Overall Length 5.69"
Short Arm	Socket-to-Socket Length N/A	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 2.5"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 4.66"
Medium Arm	Overall Length 2.42"	Overall Length 3.73"	Overall Length 5.69"	Overall Length 8.44"	Overall Length 12.63"
Medium Arm	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 3"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 6.88"	Socket-to-Socket Length 9.88"
Long Arm	Overall Length 3.56"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 3.12"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

$10.49

Options

A Size

Holds .5 lbs.

Trail Cameras

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

Holds 4 lbs.

Fish Finders, Heavy Duty Tablets

D Size

Holds 6 lbs.

Heavy Monitors

E Size

Holds 15 lbs.

Heavy Monitors

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

Size	A Size	B Size	C Size	D Size	E Size
Short Arm	Overall Length N/A	Overall Length 2.42"	Overall Length 3.56"	Overall Length 5.69"	Overall Length 5.69"
Short Arm	Socket-to-Socket Length N/A	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 2.5"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 4.66"
Medium Arm	Overall Length 2.42"	Overall Length 3.73"	Overall Length 5.69"	Overall Length 8.44"	Overall Length 12.63"
Medium Arm	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 3"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 6.88"	Socket-to-Socket Length 9.88"
Long Arm	Overall Length 3.56"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 3.12"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

Options

RAM® Double Socket Arm - B Size Medium

$20.49

Overview

The RAP-B-379U-252025 consists of a 1" diameter rubber ball connected to a 1/4"-20 x .25" male threaded post. The male thread matches most standard camera and camcorder female threads found on the bottom of these devices.

Features

RAM® Tough-Ball™ features a 1/4"-20 x .25" male threaded post for connection to a variety of devices
Included B size 1" RAM® rubber balls allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
Made of high-strength composites with stainless steel thread post for durability and reliability in the most demanding environments
Backed by a lifetime warranty

thread pitch:

1/4"-20 x .25"

ball size:

B Size (1")

weight capacity:

Standard Use: 2 lbs
Heavy-Duty Use: 1 lb

materials:

High strength composite
Stainless steel

packaging type:

Poly Bag

Weight:

0.07 lb

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

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Documents

Knowledge Base: Ball Sizes

QUESTIONS & ANSWERS

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Is the threaded post removeable?

No, the Tough Ball is injection molded around the threaded post and there is no way to remove the post without destroying the Tough Ball.
Hello, What size is the hex? Is the hex the same size for all the threaded stud balls?

The Hex for the B sized tough balls are the same throughout they are 3/4" straight across
The Hex for the C sized tough balls are 1" straight across
What is the finish?

The ball and hex collar of the RAP-B-379U-252025 are made of high strength composite, the threaded post is stainless steel
will this ball screw into the cupholder threads of a 2022 Yamaha FX waverunner?

Yes, the threaded inserts of the various Yamaha personal watercraft typically use a 1/4"-20 x .25" female thread which is compatible with the RAP-B-379U-252025.