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09A312 - Walter 3-Inch Spin-On Flap Disc 120 Grit

Packaging: 10 per each
$5.68/ea

Package Price:

$56.80/10 per each

Usually ships within 3-5 business days

SKU: 09A312 Categories: ,

OVERVIEW

Premium Finishing for Confined Spaces

The Walter Surface Technologies 09A312 Spinlock Flap Disc is a high-performance abrasive solution designed for industrial environments requiring precision and efficiency. Engineered with a 3-inch diameter, this disc is specifically tailored for accessing hard-to-reach areas, such as inside corners, channels, and small fabrication assemblies where larger 4.5-inch or 5-inch grinders cannot operate. The 120 grit abrasive composition positions this product as an excellent choice for the final stages of surface preparation, offering a balance between material removal and surface refinement.

Cost-Effective One-Step Solution

In industrial MRO and fabrication settings, process efficiency is paramount. This flap disc is designed to function as a one-step finishing solution, effectively blending welds and smoothing surfaces without the need to switch between multiple abrasive grades. By consolidating the grinding and finishing steps, operators can significantly reduce labor time and consumable inventory costs. The high-quality abrasive cloth used by Walter ensures a longer lifespan than standard competitor discs, providing a better cost-per-weld ratio for high-volume operations.

Universal Metal Compatibility

Versatility is a key attribute of the 09A312. It is formulated for use on "All Metals," making it a universal tool for workshops handling mild steel, stainless steel, and aluminum. This broad compatibility simplifies inventory management for procurement officers, as a single SKU can service multiple departments and material types. The Spinlock mounting system (compatible with Type R/TR holders) further enhances productivity by allowing tool-free disc changes in seconds, ensuring that downtime is kept to an absolute minimum during intensive shifts.

Technical Specifications

This disc features a robust plastic "TR" button backing that centers the disc perfectly on the holder, reducing vibration and ensuring concentric rotation. This stability is crucial when working with fine grits like 120, as it prevents chatter marks and ensures a consistent finish pattern. Ideal for use with pneumatic die grinders or right-angle die grinders, the Walter Spinlock Flap Disc is a staple for any professional finishing toolkit.

Additional Information
Packaging Description:10 per each
Brand:Walter
Diameter (in):3
Grit:120
Used to Grind:Steel or Stainless or Aluminum
Mounting Type:Spin-On (TR)
Product Type:Flap Disc
Backing Material:Plastic Button
Application:Blending, Finishing, Light Grinding

INCLUDED

  • 1x Walter Spinlock Flap Disc, 3" Grit 120

APPLICATIONS

  • Finishing and blending small welds in tight corners
  • Surface preparation on stainless steel, aluminum, and steel
  • Deburring machined parts and profiles
  • Cleaning up casting imperfections
  • Automotive bodywork and detail sanding
  • Maintenance and repair in confined spaces

FAQ

You will need a die grinder (pneumatic or electric) equipped with a 3-inch backing pad that supports the Spinlock (Type R / TR) fastening system.

Spinlock refers to the quick-change attachment style, often called Type R or Roll-On. It features a plastic threaded button on the back of the disc that screws into a compatible backing pad.

No, 120 grit is a fine abrasive intended for finishing, blending, and smoothing surfaces. For heavy stock removal, you should start with a coarser grit like 40 or 60 before switching to 120.

Yes, the Walter Spinlock Flap Disc is designed for use on all metals, including aluminum, stainless steel, and mild steel.

This specific disc (SKU 09A312) has a diameter of 3 inches (75mm).

No, the backing pad is sold separately. This SKU includes the abrasive flap disc only.

Flap discs have layered abrasive flaps that wear down to reveal fresh grain, providing a longer life and a more consistent finish compared to single-layer sanding discs.

Yes, the flap construction allows for some flexibility, making it excellent for contouring and working on curved surfaces or inside pipes.

CATALOGUE & SPEC SHEETS

Safety Data Sheet