Acrylic construction ensures a flat, stable surface for disc and pad application
1/2 inch arbor hole allows easy attachment to standard lap machines
3/8 inch thickness offers durability and consistent performance
Compatible with diamond, electroplated, and Tech 11 polishing discs
Color may vary, adding a unique touch to each plate
Summarized by Shop
Hi-Tech Diamond acrylic backing plates are made out of acrylic and provide an extremely flat surface for disc application. Hi-Tech Diamond 3/8" acrylic backing plates provide an extremely flat surface to back diamond smoothing discs, electroplated diamond discs, Tech-11 polishing pads and final polishing pads.
All acrylic backing plates h
Material
Acrylic
Thickness
3/8 inch
Arbor Hole
1/2 inch
Backing Color
Black or Clear (may vary)
Backing Pattern
Solid
Suitable for
Stone, metal, plastic
Summarized by Shop
4.9
45 ratings
5
4
3
2
1
These are needed for the extra discs I purchased, very pleased they are affordable.
C
Corely · April 28, 2026
Weather related
Weather outside got cold again and I haven't used them at all, they look good on the desk tho
B
Ben · April 30, 2026
Good backing plates
I started using just 1 backing with the bushing. So much nicer having them on their own backing plate. And the foam pad feels great.