5 Inch Interface Pad- 44 Holes Grip
R 200.00
- Softer sanding on curved and contoured surfaces
- Velcro-to-Velcro grip, compatible with 77mm and 125mm backing pads
- 44-hole pattern for effective dust extraction
- Suited to automotive, marine, glass and metal work
- Cushioned sanding on curved and contoured surfaces
- 44 holes for full dust extraction compatibility
- Fits 77mm and 125mm Velcro backing pads
- Free shippingOn orders over R1000
- Fast delivery2-4 business days
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Total price R 5,480.00
Precision Sanding
Follow every curve without flat-spotting
The Bulldog Abrasives 5 Inch Interface Pad adds a conformable layer between your backing pad and abrasive disc, so the abrasive follows the surface rather than bridging over contours. The result is even abrasive contact and a more controlled, consistent finish across curved panels.
Why Use an Interface Pad
Better contact, better results
The layer that makes the difference on non-flat surfaces
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Cushioned Conformability
Adds softness so the abrasive follows curves and contours instead of bridging over them.
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Dust Extraction Ready
44-hole pattern keeps the interface aligned with Mirka disc perforations for clean extraction.
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Secure Velcro Bond
Special resin backing holds the Velcro face firm through multiple disc swaps without lifting.
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Wide Compatibility
Fits both 77mm and 125mm Velcro backing pads across random orbital and rotary tools.
Interface Pad vs. No Interface Pad
What changes when you add an interface layer
Skipping the interface pad on curved or contoured panels isn't always a neutral choice. Here's where the difference shows up in practice.
| Feature | DetailerSA | Alternative |
|---|---|---|
| Abrasive contact on curved surfaces | Yes | No |
| Reduces flat-spotting on contours | Yes | No |
| Compatible with standard Velcro backing pads | Yes | Yes |
| Dust extraction via disc perforations | Yes | Yes |
| Even pressure distribution across the disc | Yes | No |
| Adds a step to tool setup | Yes | No |
Built to Last
Velcro grip and special resin bonding that holds
Special resin bonding keeps the Velcro face securely anchored through repeated attach-and-peel cycles, so you're not dealing with delamination mid-job. The 44-hole layout maintains dust extraction performance with Mirka grip abrasives, keeping your working surface clear on every pass.
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Questions
Frequently asked
What does an interface pad actually do?
It sits between your backing pad and the abrasive disc to add a layer of softness. On flat panels a stiff backing pad is fine, but on curved bodywork, compound contours or shaped panels, that rigidity causes uneven pressure and flat-spotting. The interface pad lets the abrasive conform to the surface instead of bridging over the low points.
Which backing pad sizes does this pad fit?
This interface pad is compatible with 77mm and 125mm Velcro backing pads, as stated in the specifications. It connects via Velcro on both faces - one side attaches to the backing pad, the other receives the abrasive disc.
Is this pad compatible only with Mirka abrasives?
The pad is designed for use with Mirka grip sanding abrasives and is built around their hole pattern layout. It will work with other Velcro abrasive discs, but the 44-hole dust-extraction pattern is optimised to line up with Mirka's disc perforation layout for best extraction performance.
What surfaces is this pad suited to?
It covers a wide range: automotive paintwork and refinishing prep, glass scratch removal, marine surfaces, composites, metal processing, wood and general construction finishing. Essentially any application where you're sanding a non-flat surface and need better abrasive conformability.
Can I use this pad on a random orbital or a rotary?
Yes. Interface pads are tool-agnostic - they attach to the backing pad, not directly to the machine. Whether you're running a random orbital, gear-driven or rotary, as long as the backing pad is 77mm or 125mm Velcro, this pad fits in between.
Does the 44-hole pattern need to line up perfectly with the abrasive disc?
You don't need to manually align every hole - the 44-hole layout gives enough coverage that dust extraction remains effective even with slight rotational offset. On a random orbital the disc rotates independently anyway, so extraction stays consistent throughout the sanding pass.
How do I attach and remove the abrasive disc from the interface pad?
The abrasive disc presses straight onto the Velcro face of the interface pad just as it would onto a standard backing pad. Removal is the same - peel from one edge. The special resin bonding in the pad backing keeps the Velcro grip firm over repeated swaps without delaminating.
How do I know when to replace the interface pad?
Replace it when the Velcro face loses grip and abrasive discs no longer seat firmly, when the foam or cushion layer shows visible compression that won't recover, or if the pad runs out of true (wobbles or distorts under load). A worn interface pad transfers uneven pressure and defeats the purpose of using one in the first place.