OX Spectrum Premium Mortar Raking Drill - 8 mm

The OX Spectrum Premium Series Mortar Raking Drill is the perfect solution for raking out mortar w...

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OX Tools Mortar Rake for Angle Grinder – 8mm Diamond Drill Bit, M14

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Product Information

Full details

The OX Spectrum Premium Mortar Raking Drill is an essential tool for professional masons and DIY enthusiasts focused on brickwork restoration and pointing preparation. Designed for use with standard angle grinders, it provides a fast and efficient way to rake out old mortar without damaging the surrounding masonry. While its specialized tungsten carbide construction ensures longevity, users should be aware that it requires a steady hand and controlled angle grinder speed to prevent accidental brick surface scarring.

All features

Model Part Number	366607
Brand	OX

Extended Product Information

FAQs

Can this drill bit be used with a standard power drill?

No, this bit is designed specifically with an M14 fitting for use with angle grinders only.

Does this bit work on all types of mortar?

It is optimized for standard masonry mortar. Extremely hard, high-strength industrial grouts may cause premature wear.

Do I need a dust extraction system?

Yes, masonry work generates significant silica dust; an industrial vacuum attachment for your grinder is highly recommended.

What is the maximum depth I can rake?

The bit has a length of 45mm, which dictates the maximum depth of the raked joint.

How do I know when the bit is worn out?

When the tungsten carbide grit is visibly worn away from the core metal, you will notice a significant decrease in cutting speed.

Troubleshooting

Bit vibrating excessively during use

Check that the bit is screwed fully onto the spindle and seated flush against the grinder shoulder.

Difficulty maintaining a straight line in the joint

Ensure your angle grinder handle is positioned for maximum stability and try resting the edge of the grinder guard against the wall for guidance.

Bit is getting very hot

Reduce pressure and allow the tool to cool; ensure you are not applying excessive force which can cause the carbide to overheat.

Pros and Cons

Pros

High-durability tungsten carbide construction
Universal M14 fitting for wide grinder compatibility
Compact 8mm diameter allows for precise joint cleaning
Significantly faster than manual raking methods

Cons

Requires careful control to avoid damage to brick edges
Generates significant dust requiring proper extraction
Not intended for use on stone harder than standard mortar

Setup, Compatibility & Care

To set up the drill bit, screw it directly onto the M14 spindle of your angle grinder and ensure it is tightened securely. No additional adaptors are required. Always verify your grinder is unplugged or the battery is removed before installation.

Compatibility: Compatible with all angle grinders featuring a standard M14 spindle thread. Ensure your grinder is rated for the RPM speeds appropriate for masonry bits.

Care Instructions: After use, clean dust off the bit using a soft wire brush. Store in a dry environment to maintain the integrity of the carbide bond. Periodically inspect the grit coating for signs of uneven wear and replace the bit once the grit is stripped to maintain efficiency.