Skip to Main Content
Canadian
Canadian owned and operated

Walter 3-Inch Spin-On Flap Disc 80 Grit

$5.68/ea $35.50/10 per each only $3.55/eaSave 37%

Usually ships within 3-5 business days

OVERVIEW

Master Tight Corners with the Walter 3" Spinlock Flap Disc

Every welder knows the frustration of trying to clean up a weld in a tight corner or inside a small pipe where a standard 4-1/2 inch grinder just won't fit. The Walter 09A308 Spinlock Flap Disc is the solution to those headaches. This 3-inch abrasive disc is designed specifically for your right-angle die grinder, giving you the power and finish of a flap disc in a compact package that goes where other tools can't. With 80 grit abrasive, it is the perfect tool for blending welds, removing light spatter, and smoothing out rough edges without gouging the base metal. It provides a controlled, smooth finish that makes your craftsmanship shine.

Speed and convenience are built into the design with the Spinlock "TR" button. We've all been there—fumbling with wrenches to change a disc while the clock is ticking. With the Spinlock system, you simply twist the disc off and spin a new one on. It takes seconds. The plastic button locks securely into place, ensuring the disc stays centered and balanced even at high RPMs. This means less vibration in your hands and a smoother run, which is essential when you are trying to maintain a steady hand for precision detail work. The 80 grit texture is ideal for that final prep before painting or polishing, effectively removing scratches left by coarser abrasives.

This disc isn't just about convenience; it's about versatility. It is formulated to work on all metals, so you can keep a pack in your toolbox whether you are fabricating stainless steel exhaust parts, aluminum brackets, or mild steel frames. The layered flap construction provides a cushioned feel that forgives minor operator errors, unlike hard grinding stones that can dig in unexpectedly. By combining grinding and finishing into one step, the Walter 09A308 helps you turn out professional-looking parts faster. Stop struggling with bulky tools in tight spots and switch to a dedicated compact finishing solution.

Additional Information
Brand:Walter Surface Technologies
Size:3"
Grit:80
Packaging Description:10 per pack
Used To Sand:All Materials
Mounting Type:Plastic TR Button (Spin-On)
Product Type:Spinlock Flap Disc
Application:Small Surface Finishing, Weld Blending

INCLUDED

  • (10) 3" Spinlock Flap Discs, 80 Grit

APPLICATIONS

  • Grinding and finishing small welds in tight corners
  • Surface preparation on metal channels and profiles
  • Deburring machined parts and cut edges
  • Blending imperfections on stainless steel and aluminum
  • General maintenance and repair in confined spaces
  • Automotive bodywork and exhaust fabrication

FAQ

The Spinlock system, often referred to as Type R or TR, is a quick-change mounting style featuring a plastic button on the back of the disc that screws directly into a compatible backing pad with a simple twist.

This disc is designed for use with a right-angle die grinder equipped with a 3-inch Type R (TR) backing pad.

80 grit is considered a medium-fine grade. It is better suited for blending, light stock removal, and finishing rather than heavy grinding. For heavy removal, a 40 or 60 grit would be more appropriate.

Yes, the Walter 09A308 is designed for use on all metals, including aluminum, steel, and stainless steel.

These discs are sold in packages of 10.

Yes, you need a 3-inch backing pad with a female TR (Type R) thread to mount this disc to your tool.

Flap discs grind and finish in one step, run cooler, and provide a smoother finish with less risk of gouging the material compared to solid grinding wheels.

Yes, the plastic TR button is engineered to withstand the torque and RPMs of industrial die grinders while ensuring a secure fit.

CATALOGUE & SPEC SHEETS

Safety Data Sheet