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Walter 4.5 Inch Spin-On Stainless Steel Grinding Wheel

$11.84/ea $150.20/20 per each only $7.51/eaSave 37%

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OVERVIEW

Smooth, Contaminant-Free Grinding for Professional Welders

When you are welding stainless steel, the last thing you want is to ruin a perfect bead with a low-quality grinding wheel that chatters or introduces rust-causing contaminants. The Walter 08F450 4-1/2" Spin-On Grinding Wheel is built for the welder who demands both speed and precision. This wheel is formulated with a soft, yet aggressive A30SS bond that bites into stainless steel and alloyed metals effortlessly. Unlike generic wheels that glaze over or require excessive pressure, the Walter A30SS breaks down at a controlled rate to constantly expose fresh, sharp abrasive grains. This means you get the job done faster with less heat buildup, protecting your base metal from discoloration and warping.

The standout feature for the busy welder is the Spin-On hub. We've all been there—searching for the grinder key or struggling with a jammed flange nut while the clock is ticking. With the Walter Spin-On system, the 5/8"-11 threaded hub is built right into the wheel. You simply spin the old wheel off and spin the new one on by hand. The torque of the grinder tightens it during use, and it releases easily when you're done. It’s a simple innovation that makes a massive difference in your daily workflow, especially when swapping between grinding and cutting discs frequently.

Safety and comfort are also paramount with the 08F450. Walter wheels are known for their superior balance, which translates to significantly less vibration in your hands. Reduced vibration means less risk of "white finger" symptoms after a long day of grinding and better control over the grinder for precision work. The wheel is guaranteed to be free of iron, sulfur, and chlorine, making it safe for nuclear, food grade, and pharmaceutical stainless steel applications where purity is non-negotiable. Upgrade your grinding game with a wheel that respects your time and your craftsmanship.

Additional Information
Brand:Walter Surface Technologies
Diameter:4.5"
Thickness:0.25"
Arbor (in):5/8"
Grit:30
Used To Grind:Stainless
Mounting Type:Spin-On 5/8"-11 Hub
Specification:A-30-SS
Max RPM:13300
Bond Type:Resinoid Reinforced
Packaging Description:20 per each

INCLUDED

  • 1 x Walter 4-1/2" x 1/4" A30SS Spin-On Grinding Wheel
  • Integrated 5/8"-11 Threaded Hub

APPLICATIONS

  • Heavy weld removal on stainless steel tanks and vessels
  • Deburring laser-cut stainless steel parts
  • Edge preparation and beveling for welding
  • Surface grinding on alloyed steels
  • General fabrication in food and pharmaceutical industries
  • Smoothing flame-cut edges

FAQ

Spin-On means the grinding wheel has a built-in 5/8"-11 threaded hub. You can screw it directly onto the angle grinder's spindle by hand without using a flange nut or a pin key, making wheel changes much faster.

Yes, the Walter A30SS specification means it is free of iron, sulfur, and chlorine (less than 0.1%), preventing contamination that could lead to rust, making it suitable for food and pharmaceutical grade stainless steel.

This wheel features a 30 grit (A30) abrasive, which is a coarse grit designed for rapid stock removal and heavy grinding applications.

Yes, you can use it on mild steel, but it is specially formulated for stainless steel. Using it on mild steel is effective, but for cost-efficiency, you might prefer a wheel specifically designed for general steel if you are not working with stainless.

No, this is a Type 27 depressed center grinding wheel with an integrated hub. It does not require a backing pad; it mounts directly to the grinder spindle.

While you should always check the label on the specific wheel, standard 4-1/2" Walter grinding wheels are typically rated for a maximum of around 13,300 RPM.

Yes, Walter wheels are manufactured with high balancing standards and the Spin-On hub ensures perfect centering, which significantly reduces vibration compared to standard wheels with unevenly mounted flanges.

The A30SS bond is soft enough to prevent glazing on hard stainless steel surfaces but tough enough to remove material quickly, providing a cool cut that minimizes heat discoloration.

CATALOGUE & SPEC SHEETS

Safety Data Sheet
Google Rating
4.9
Based on35reviews
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