BRUIN Backer Pad – 4 in., Rigid
The BRUIN Backer Pad is a 4 in. rigid backer pad, used to carry 4 in. polishing discs on a grinder or polisher.
Rigid is the stiff plastic-bodied option in a four-pad ladder that runs aluminum, rigid, flexible and super flexible: it gives far less than the flexible pads but is not the solid metal platen the aluminum pad is. That makes it the everyday choice for flat and near-flat work where a metal-bodied pad is more pad than the job needs. The attachment is not published – no thread size, and no statement of hook-and-loop or snail-lock – so check it against your machine before ordering.
Key Features
- Rigid body – minimal flex, so the disc stays flat across its face
- 4 in. pad, sized for 4 in. discs
- Stiff without the weight of the aluminum-bodied pad in the same line
- Attachment thread and face type are not published for this pad and are not stated here
What's Included
- 1 x 4 in. backer pad
Who Is This For?
Fabricators polishing flat tops and straight edges who want a stiff pad for everyday use. It is the wrong pad for curved and contoured edges – a rigid body cannot follow a profile – so use the BRUIN Backer Pad – 4 in., Flexible for eased and bullnose edges and the Super Flexible version for tight inside radii. Where the job needs a pad that will not deflect at all, the Aluminum Body pad in the same line is the stiffer choice.
Frequently Asked Questions
What is the difference between the rigid and the aluminum backer pad?
Both are stiff pads for flat work. The distinction is the body: the aluminum pad has a metal body that does not flex at all, while the rigid pad's body is stiff plastic with minimal give.
Can a rigid backer pad be used on a curved edge?
Not well. A rigid pad holds the disc flat, so on a curve only part of the disc touches the stone. A flexible or super flexible pad is the correct choice for profiled edges.
What size discs does a 4 in. backer pad take?
A 4 in. backer pad is sized for 4 in. polishing discs.
How many stiffness grades are offered in this line?
Four at 4 in.: aluminum, rigid, flexible and super flexible.