RAM® Dual Ball Base with 1/4" NPT Female Threaded Hole – RAM Mounts

rammount.com
1-800-497-7479
sales@rammount.com

RAM® Dual Ball Base with 1/4" NPT Female Threaded Hole
Part #: RAM-B-217-1U UPC: 793442121715

Product Information
Overview	The RAM-B-217U provides 2 B-size balls on with a 1/4" NPT Female threaded post.

Specifications
thread pitch	1/4" NPT
ball size	B Size (1")
weight capacity	Standard Use: 2 lbs Heavy-Duty Use: 1 lb
materials	Marine-grade aluminum
packaging type	Poly Bag
Weight	0.16 lb

RAM® Dual Ball Base with 1/4" NPT Female Threaded Hole

RAM® Dual Ball Base with 1/4" NPT Female Threaded Hole

Questions about our products? Email us for support.

RAM® Dual Ball Base with 1/4" NPT Female Threaded Hole

Part#: RAM-B-217-1U

UPC: 793442121715

Size Guide

Ball Size
Arm Sizes

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

A Size

Holds .5 lbs.

Trail Cameras

B Size

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

C Size

Holds 4 lbs.

Fishfinders, Heavy Duty Tablets

D Size

D Size

Holds 6 lbs.

Heavy Monitors

E Size

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 6"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

Size Guide

Ball Size
Arm Sizes

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

A Size

Holds .5 lbs.

Trail Cameras

B Size

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

C Size

Holds 4 lbs.

Fishfinders, Heavy Duty Tablets

D Size

D Size

Holds 6 lbs.

Heavy Monitors

E Size

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 6"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

$39.99

Options

Size Guide

Ball Size
Arm Sizes

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

A Size

Holds .5 lbs.

Trail Cameras

B Size

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

C Size

Holds 4 lbs.

Fishfinders, Heavy Duty Tablets

D Size

D Size

Holds 6 lbs.

Heavy Monitors

E Size

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 6"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

Options

Overview

The RAM-B-217U provides 2 B-size balls on with a 1/4" NPT Female threaded post.

thread pitch:

1/4" NPT

ball size:

B Size (1")

weight capacity:

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

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

0.16 lb

Print

Add-on & Accessories

B Size Double Socket Arms

See All

RAM-B-201U:RAM-B-201U_1:RAM Double Socket Arm - B Size Medium

RAM-B-201U:RAM-B-201U_1:RAM Double Socket Arm - B Size Medium

RAM® Double Socket Arm - B Size Medium RAM-B-201U $19.99

RAM-B-201U-C:RAM-B-201U-C_1:RAM Double Socket Arm - B Size Long

RAM-B-201U-C:RAM-B-201U-C_1:RAM Double Socket Arm - B Size Long

RAM® Double Socket Arm - B Size Long RAM-B-201U-C $28.99

RAM-B-201U-A:RAM-B-201U-A_1:RAM Double Socket Arm - B Size Short

RAM-B-201U-A:RAM-B-201U-A_1:RAM Double Socket Arm - B Size Short

RAM® Double Socket Arm - B Size Short RAM-B-201U-A $17.99

RAP-B-201U:RAP-B-201U_1:RAM Composite Double Socket Arm - B Size Medium

RAP-B-201U:RAP-B-201U_1:RAM Composite Double Socket Arm - B Size Medium

RAM® Composite Double Socket Arm - B Size Medium RAP-B-201U $13.49

RAP-B-201U-A:RAP-B-201U-A_1:RAM Composite Double Socket Arm - B Size Short

RAP-B-201U-A:RAP-B-201U-A_1:RAM Composite Double Socket Arm - B Size Short

RAM® Composite Double Socket Arm - B Size Short RAP-B-201U-A $11.49

RAM-B-201-201U-C:RAM-B-201-201U-C_1:RAM Double Socket Arm Adapter with Medium & Long Arms - B Size

RAM® Double Socket Arm Adapter with Medium & Long Arms - B Size RAM-B-201-201U-C $63.49

RAP-B-200-2U:RAP-B-200-2U_1:RAM Composite Double Socket Swivel & Ratchet Arm

RAP-B-200-2U:RAP-B-200-2U_1:RAM Composite Double Socket Swivel & Ratchet Arm

RAM® Composite Double Socket Swivel & Ratchet Arm RAP-B-200-2U $27.99

RAP-B-200-12U:RAP-B-200-12U_1:RAM Composite Double Socket Swivel Arm

RAP-B-200-12U:RAP-B-200-12U_1:RAM Composite Double Socket Swivel Arm

RAM® Composite Double Socket Swivel Arm RAP-B-200-12U $18.99

RAM-B-201-201U:RAM-B-201-201U_1:RAM Double Socket Arm with Dual Extension and Ball Adapter - B Size

RAM® Double Socket Arm with Dual Extension and Ball Adapter - B Size RAM-B-201-201U $53.99

RAM-B-201-SU:RAM-B-201-SU_1:RAM Pin-Lock™ Double Socket Arm - B Size Medium

RAM® Pin-Lock™ Double Socket Arm - B Size Medium RAM-B-201-SU $26.99

RAM-B-201-ACHU:RAM-B-201-ACHU_1:RAM Chrome Double Socket Arm - B Size Short

RAM® Chrome Double Socket Arm - B Size Short RAM-B-201-ACHU $49.99

RAM-B-201CHU:RAM-B-201CHU_1:RAM Chrome Double Socket Arm - B Size Medium

RAM-B-201CHU:RAM-B-201CHU_1:RAM Chrome Double Socket Arm - B Size Medium

RAM® Chrome Double Socket Arm - B Size Medium RAM-B-201CHU $63.99

RAM-B-201LU:RAM-B-201LU_1:RAM Double Socket Arm with Key Lock Knob - B Size Medium

RAM® Double Socket Arm with Key Lock Knob - B Size Medium RAM-B-201LU $56.99

1/4" NPT Pipes

See All

RAM-PA5418:RAM-PA5418_1:RAM 18" Long 1/4" NPT Male Threaded Pipe

RAM® 18" Long 1/4" NPT Male Threaded Pipe RAM-PA5418 $44.99

RAM-PA5412:RAM-PA5412_1:RAM 12" Long 1/4" NPT Male Threaded Pipe

RAM® 12" Long 1/4" NPT Male Threaded Pipe RAM-PA5412 $37.49

RAM-PA5409:RAM-PA5409_1:RAM 9" Long 1/4" NPT Male Threaded Pipe

RAM® 9" Long 1/4" NPT Male Threaded Pipe RAM-PA5409 $26.49

RAM-PA5406:RAM-PA5406_1:RAM 6" Long 1/4" NPT Male Threaded Pipe

RAM® 6" Long 1/4" NPT Male Threaded Pipe RAM-PA5406 $20.99

RAM-PA5424:RAM-PA5424_1:RAM 24" Long 1/4" NPT Male Threaded Pipe

RAM® 24" Long 1/4" NPT Male Threaded Pipe RAM-PA5424 $55.99

RAM-PA5404:RAM-PA5404_1:RAM 4" Long 1/4" NPT Male Threaded Pipe

RAM® 4" Long 1/4" NPT Male Threaded Pipe RAM-PA5404 $27.49