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Walter Xcavator 4.5-Inch Heavy Duty Grinding Wheel with 5/8-11 Hub

$22.54/ea $143.00/10 per each only $14.30/eaSave 37%

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OVERVIEW

Chew Through Steel with the Xcavator

When you have a heavy weld to grind down or a thick plate to bevel, you don't want a wheel that glides over the surface—you want one that digs in. The Walter Xcavator 4-1/2" x 1/4" Grinding Wheel is built for welders who need aggressive performance. Known as one of the most aggressive wheels on the market, the Xcavator uses premium Zirconia grain to deliver an ultra-high removal rate that shreds through carbon steel, stainless steel, and hard alloys. If you are tired of leaning your entire body weight into a grinder just to get results, this is the wheel upgrade you need.

The 08P455 model comes equipped with a 5/8-11 threaded hub, a feature that professional fabricators love. Forget hunting for your flange nut or pin wrench; simply spin this wheel onto your 4.5-inch angle grinder, hand-tighten, and you are ready to spark. The built-in hub not only speeds up changeovers but also provides a more secure connection that reduces vibration, giving you better control and less hand fatigue at the end of a long day. The Type 27 depressed center shape allows you to get into tight corners and grind at comfortable angles ranging from 15 to 30 degrees.

Despite its aggressive nature, the Xcavator is surprisingly smooth. Walter's advanced bonding technology ensures that the wheel wears evenly without glazing over, keeping fresh grain exposed for a consistent cut from the first spark to the nub. It is also iron-free, so you can switch between mild steel and stainless projects without worrying about contaminating your stainless workpieces. For the welder who values speed, power, and efficiency, the Walter Xcavator is the ultimate tool for heavy stock removal.

Why Welders Choose Xcavator

  • Aggressive Bite: Zirconia grain tears through heavy welds and slag effortlessly.
  • Spin-On Convenience: 5/8-11 hub makes wheel changes instant and tool-free.
  • Vibration Control: Balanced hub design reduces chatter for a smoother grind.
Additional Information
Diameter:4.5"
Thickness:0.25"
Arbor (in):5/8"
Brand:Walter Surface Technologies
Used To Grind:Steel, Stainless, Steel or Stainless
Packaging Description:25 per box
Max RPM:13300
Wheel Type:Type 27
Grain Type:Zirconia Alumina
Bond Type:Resinoid

INCLUDED

  • 1 x Walter Xcavator 4-1/2" x 1/4" x 5/8-11 Grinding Wheel

APPLICATIONS

  • Heavy weld removal on structural steel
  • Beveling thick plates for penetration welds
  • Grinding stainless steel tanks and vessels
  • Removing casting gates and risers
  • General fabrication and metal shaping
  • Shipbuilding and heavy equipment repair

FAQ

The Xcavator is designed for heavy-duty grinding on steel, stainless steel, cast iron, and hard alloys. It is particularly effective on hard metals due to its Zirconia grain.

No, the 08P455 features a built-in 5/8-11 threaded hub (Spin-On), so it screws directly onto the spindle of standard 4-1/2" and 5" angle grinders.

Yes, the Xcavator is Fe-S-Cl free (Iron, Sulfur, and Chlorine free), making it safe for use on stainless steel without causing contamination or rust issues.

The maximum safe operating speed is 13,300 RPM. Always ensure your grinder's RPM does not exceed this rating.

The Xcavator offers a significantly higher removal rate and longer life compared to standard aluminum oxide wheels, making it more cost-effective for heavy stock removal.

While Walter does not specify a standard grit number for the Xcavator, it is a coarse grit wheel (comparable to 24-36 grit) optimized for rapid material removal rather than finishing.

No, this is a Type 27 grinding wheel with a 1/4" thickness. It is designed for face grinding and edge shaping, not for cutting through material. Use a zipcut or cutting disc for slicing.

The threaded hub reduces vibration, ensures perfect centering, and drastically reduces the time needed to change wheels, improving overall shop productivity.
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