4” Angle Grinder Backing Plate (100mm) for Polishing Pads & Cutting Discs | Mechanic Fixing Plate

4" Angle Grinder Backing Plate for Polishing Pads & Cutting Discs

The Mechanic 100mm (4") fixing plate is a durable angle grinder backing plate designed to securely mount polishing pads, cutting discs, and grinding wheels on standard 4" angle grinders.

Built for stability and precision, this grinder backing plate reduces vibration, improves control, and ensures consistent performance across tile, stone, and metal applications.

Three Variants — Hook & Loop Click Pro System

Available in three attachment configurations to match your accessories:

• Variant #1 — Hook & Loop Click Pro attachment #1
• Variant #2 — Hook & Loop Click Pro attachment #2
• Variant #3 — Hook & Loop Click Pro attachment #3

Select the variant that matches your polishing pad or disc system.

Universal Fit for 4" (100mm) Angle Grinders

Compatible with:

• Standard 4" (100mm) angle grinders
• Most polishing pads and accessories
• Cutting discs and grinding wheels

Secure Mounting for Grinding, Cutting & Polishing

This angle grinder fixing plate ensures:

• Stable attachment of accessories
• Reduced wobble during operation
• Improved control and accuracy

Reduce Vibration for Smoother Performance

The balanced design helps minimize vibration, improve handling and precision, and reduce user fatigue during extended polishing or grinding sessions.

Durable Metal Construction for Professional Use

Manufactured from high-strength metal, this backing plate is built to withstand heavy-duty use and deliver long-term reliability on the job site and in the workshop.

Product Specifications

Common Applications

• Mounting CoolPAD 4" polishing pads
• Securing diamond cutting discs
• Attaching grinding wheels
• Tile and stone fabrication work
• Metal grinding applications

Ideal For

• Tile installers
• Stone fabricators
• Metalworkers
• Contractors
• Workshop professionals and DIY users

Frequently Asked Questions

What is an angle grinder backing plate used for?

It is used to securely mount polishing pads, cutting discs, and grinding wheels to an angle grinder spindle.

Will this fit my angle grinder?

Yes, it fits most standard 4" (100mm) angle grinders.

Which variant should I choose?

Select the variant that matches your polishing pad or disc attachment system. If you’re using the Distar CoolPAD 4", check which Hook & Loop Click Pro number is compatible with your pad.

Does it reduce vibration?

Yes, the balanced design helps reduce vibration during operation for better control and less fatigue.

Is it durable enough for professional use?

Yes, it is made from high-strength metal for long-term durability.

Works Well With

• Distar CoolPAD 4" Diamond Polishing Pad — primary compatible pad; this backing plate mounts the CoolPAD to your 4" angle grinder
• Elegant 4" Diamond Blade — precision cutting blade for the same 4" grinder format
• Distar Hand Pad 2 Series — manual polishing pads for finishing edges where power tools can’t reach
• Soft Edge DGM-S Grinding Cup — grinding cup for edge finishing before polishing
• TileDUSTER — dust shroud for dry cutting operations on the same grinder

Further Reading

• Cutting, Grinding, and Polishing Porcelain Tile for Seamless 45° Corners
• How to Polish Porcelain Tile Edges with the Proxxon WP/A + Distar CoolPAD
• Finishing Cuts in Porcelain Tile Without a Tile Saw
• The More Efficient the Diamond Tool, the Longer the Power Tool Lasts

Returns can only be accepted for unused product in its original packaging. A copy of the original packing slip or invoice is required. Please see our return and refund policy here.

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.