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08B915 - Walter HP 9-Inch Hubbed Grinding Wheel for Steel

Packaging: 10 per each
$30.50/ea $190.60/10 per each only $19.06/eaSave 38%

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SKU: 08B915 Categories: ,

OVERVIEW

High-Performance Abrasive for Industrial Steel Fabrication

The Walter HP 9" x 1/4" x 5/8-11" Type 27 Grinding Wheel (SKU: 08B915) represents a benchmark in industrial abrasive technology, specifically engineered for heavy-duty applications on steel. Designed for the professional fabricator and MRO specialist, this wheel combines a proprietary grain blend with a high-strength resinoid bond to deliver consistent, aggressive material removal rates without sacrificing wheel longevity. In high-volume production environments, the balance between cut rate and life is critical; the HP series optimizes this ratio, ensuring that operators spend more time grinding and less time replacing worn abrasives.

One of the standout features of this model is the integrated 5/8-11 threaded hub, also known as the Spin-On system. This design eliminates the need for separate flange nuts and spanner wrenches during wheel changes, drastically reducing downtime. The hub ensures a perfectly centered mount every time, minimizing vibration and maximizing safety. For facility managers and procurement officers, this translates to lower labor costs and improved safety compliance, as the risk of improper mounting is significantly mitigated.

The Type 27 depressed center geometry is ideal for working at 15 to 30-degree angles, making it perfect for smoothing welds, beveling plates, and general stock removal on structural steel components. The 9-inch diameter provides a large contact area and higher peripheral speed capability (up to 6,600 RPM), making it suitable for large-scale fabrication tasks in shipyards, construction sites, and heavy machinery manufacturing. By choosing the Walter HP series, you are investing in a product that delivers reliable performance, safety, and cost-efficiency in the most demanding industrial settings.

Operational Efficiency and Safety

Safety is paramount when operating large angle grinders. The Walter HP wheel is reinforced to withstand the stresses of heavy side-loading and aggressive grinding. Its formulation provides a "controlled bite," meaning it grabs the material effectively without digging in unpredictably or causing chatter. This smooth operation reduces operator fatigue—a crucial factor in maintaining productivity over long shifts. Furthermore, the consistent wear pattern of the wheel ensures that the grinding profile remains stable throughout its life, providing predictable results from the first spark to the stub.

Additional Information
Packaging Description:10 per each
Diameter (in):9"
Thickness (in):1/4"
Arbor (in):5/8"-11
Used to Grind:Steel
Wheel Style:Type 27
Grit:24
Max RPM:6600
Mounting Type:Spin-On Hub
----- new values below ----
Grit:24
Max RPM:6600
Bond Type:Resinoid
Mounting Type:Spin-On Hub
Brand:Walter
Diameter (in):9"
Thickness (in):1/4"
Arbor (in):5/8-11
Used to Grind:Steel
Wheel Style:Type 27

INCLUDED

  • 1x Walter HP 9" x 1/4" x 5/8-11" Type 27 Grinding Wheel

APPLICATIONS

  • Heavy weld removal on structural steel
  • Beveling steel plates for welding preparation
  • Deburring flame-cut steel edges
  • Grinding heavy casting parting lines
  • General fabrication and stock removal on mild steel

FAQ

This wheel is specifically formulated for use on steel. It provides excellent removal rates and life on mild steel and structural steel applications.

No, this wheel features a built-in 5/8-11 threaded hub (Spin-On). It screws directly onto the grinder's spindle without the need for a flange nut or pin wrench.

The maximum safe operating speed is typically 6,600 RPM. Always verify the RPM rating printed on the wheel matches or exceeds your grinder's no-load speed.

No, this is a Type 27 grinding wheel with a 1/4-inch thickness. It is designed for grinding, not cutting. Using it for cutting can be dangerous and cause wheel breakage.

The Spin-On hub reduces wheel change time, ensures proper centering to minimize vibration, and eliminates the risk of losing mounting hardware.

While it can grind stainless, Walter offers other series (like the HP XX or Allsteel) that are specifically optimized for stainless steel to prevent contamination and heat buildup. The HP is best for mild steel.

Operators should always wear a face shield over safety glasses, hearing protection, heavy-duty gloves, and flame-resistant clothing. Ensure the grinder guard is properly adjusted.

The HP (High Performance) series is engineered to offer a better ratio of removal rate to wheel life, often lasting longer and cutting faster than standard economy wheels.

CATALOGUE & SPEC SHEETS

Safety Data Sheet