RAM® Double Ball Mount with Drill-Down, U-Bolt & Adhesive Bases
Ball Base Information
"RAM" Prefix Code
To provide lightweight strength and corrosion resistance, RAM is made of marine grade Aluminium with a black powder coated finish, stainless steel hardware and 'rubber balls' - 'RAM' products are stiffer and stronger than their 'RAP' variants and typically used in more rugged applications.
"RAP" Prefix Code
Many of our 'RAM' products are available in a 'RAP' - composite variant. Our composite 'RAP' products are generally designed for lighter duty applications where keeping the weight of the mount low is a priority.
RAM® BALL SIZES
The weight limits below are a guide only. All factors in a planned mounting configuration should be considered to choose the most suitable ball size.
The most common ball size applications:
B Size - Action Cameras, Phones and Small Tablets
C Size - Medium - Large Tablets in Heavier Duty Applications
D Size - Heavy and Rugged Tablets and Laptops in Commercial Applications
Please check with our technical team for advice.


Special Order Item. Please contact our sales team for availability.
You can also order the individual component parts below.
The RAM-B-101U-CR1 consists of a medium length B-size arm with two 2.5" diameter round plates with universal AMPS hole pattern. This mount also includes a 2.5" diameter double sided adhesive pad and a U-Bolt base with 1" diamter B-size ball. The U-Bolt base is compatible with round rails between .5" and 1.25" in diameter.
Components
hardware included
(1) 2 7/16" Double Adhesive Pad
(1) Alcohol Prep Pad
(1) 1/4"-20 U-Bolt for .5" - 1" Rails
(1) 1/4"-20 U-Bolt for 1" - 1.25" Rails
(2) 1/4"-20 Nylock Nuts
(2) Rubber Caps
(1) U-Bolt Spacer
clamp range
.5" - 1.25" diameter
socket to socket length
3"
hole pattern
4-Hole AMPS: 1.181" x 1.496"
3-Hole 120-Degree: 1.812" Diameter
ball size
B Size (1")
weight capacity
Standard Use: 2 lbs
Heavy-Duty Use: 1 lb
materials
Marine-grade aluminium
packaging type
Poly Bag
Weight
0.541 kg