RAM® Ball Adapter with M6 x 1 Threaded Female Hole

Part#: RAM-B-273-M6U
UPC: 793442906190
$10.99

Overview

The RAM-B-273-M6U includes a Hex M6 x 1 female threaded hole connected to a 1" rubber ball

Features

  • Ball adapter features M6 x 1 female threaded hole
  • Included B size 1" RAM® rubber ball allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
  • Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty

thread pitch:

M6-1 x 15mm Female Thread

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:

0.05 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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  • What is the depth of the threaded hole?

    15mm Female Thread = .591inch
RAM® Ball Adapter with M6 x 1 Threaded Female Hole
$10.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size — this product 1" ball
  • C Size 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B — this product1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Add-on & Accessories

B Size Double Socket Arms
See All
RAM® Double Socket Arm - B Size Medium RAM-B-201U $20.49
RAM® Double Socket Arm - B Size Long RAM-B-201U-C $29.99
RAM® Double Socket Arm - B Size Short RAM-B-201U-A $18.49
RAM® Composite Double Socket Arm - B Size Medium RAP-B-201U $13.99
RAM® Composite Double Socket Arm - B Size Short RAP-B-201U-A $11.49
RAM® 10.5" Double Socket Arms - Long & Medium B Size RAM-B-201-201U-C $65.99
RAM® Composite Double Socket Swivel & Ratchet Arm RAP-B-200-2U $28.99
RAM® Composite Double Socket Swivel Arm RAP-B-200-12U $19.49
RAM® Double Socket Arm with Dual Extension and Ball Adapter - B Size RAM-B-201-201U $55.49
RAM® Pin-Lock™ Double Socket Arm - B Size Medium RAM-B-201-SU $27.49
RAM® Chrome Double Socket Arm - B Size Short RAM-B-201-ACHU $50.99
RAM® Chrome Double Socket Arm - B Size Medium RAM-B-201CHU $65.99
RAM® Double Socket Arm with Key Lock Knob - B Size Medium RAM-B-201LU $61.99
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