Bon Tool Stainless Steel Bullhorn Jointer - 3/4" - Bon Tool - 21-353

Stainless steel, large at one end, tapered at other. Size is measured at the wider end. Polished w...

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Product Information

Full details

This Bon Tool Stainless Steel Bullhorn Jointer is designed for masons and concrete professionals seeking a durable and effective tool for finishing joints. Its stainless steel construction ensures longevity and resistance to corrosion, while the bullhorn shape provides a comfortable grip and precise control for creating concave joints. A potential limitation to consider is its weight, which may require frequent breaks during extended use.

All features

Model Part Number21-353
BrandBon Tool

Extended Product Information

FAQs

What is a bullhorn jointer used for?

A bullhorn jointer is used by masons and concrete professionals to create concave joints in mortar or concrete, providing a smooth, rounded finish.

What does 'measured at the wider end' mean?

The size of the jointer, for example 3/4", refers to the diameter of the wider end of the tool, which dictates the width of the concave joint it creates.

Is this jointer suitable for all types of joints?

This jointer is specifically designed for concave joints. For other joint profiles like "V" joints or "weathered" joints, different tools would be required.

How do I clean the stainless steel jointer?

Clean the jointer with water after each use and dry it thoroughly with a cloth. Avoid abrasive cleaners that could scratch the polished surface.

What is the weight of this tool?

The item package weight is approximately 1.1 pounds.

Can I use this with very wet concrete?

It is best used with workable, but not overly wet, concrete or mortar for optimal shaping and to prevent excessive buildup on the tool.

Are there other sizes of this jointer available?

Yes, this model is available in several sizes, with other Bon Tool bullhorn jointers being listed separately.

Troubleshooting

Material sticking to the jointer

Ensure the jointer is clean and the work surface is adequately polished. If material is still sticking, try cleaning the jointer more thoroughly with water and drying it completely.

Inconsistent joint depth or shape

Practice consistent pressure and angle during application. Ensure the jointer is appropriate for the desired joint size and that the material is at the correct consistency.

Rust spots appearing on the surface

While stainless steel is resistant, prolonged exposure to moisture or certain chemicals can cause minor spotting. Clean the tool immediately after use and ensure it is dried thoroughly before storage. A light polish can remove minor spots.

Pros and Cons

Pros

  • Durable stainless steel construction for long-lasting use.
  • Ergonomic bullhorn handle provides good grip and control.
  • Effectively creates precise concave joints.
  • Polished surfaces prevent material buildup.
  • Resistant to rust and corrosion.

Cons

  • Can be heavy for extended periods of use.
  • Specific design may not suit all joint types.
  • Requires proper cleaning to maintain polished surface.

Setup, Compatibility & Care

Setup: This tool requires no assembly. It is ready for use straight out of the package.

Compatibility: The Bon Tool Stainless Steel Bullhorn Jointer is designed for use with fresh mortar and concrete. Its effectiveness is tied to the material's consistency; it performs best when the material is in a workable, but not overly wet, state.

Care: After each use, clean the jointer thoroughly with water to remove all residual mortar or concrete. A stiff brush can be used for stubborn residue. Dry the tool completely with a clean cloth to prevent water spots and maintain the polished surface. Store in a dry location to ensure its longevity and prevent corrosion.

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