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Product Description
The Mark-IV is a high performance; high precision saw designed to clean out control joints, remove the old joint filler, and make straight, accurate cuts in concrete up to 2″ deep. A specially designed blade guard allows the operator to see the blade yet still covers 98% of it for excellent dust control and a high degree of accuracy. The handle and frame are designed for more stability and adjustable height that rotates to get closer to walls or racks.
When the Mark-IV is paired with the Tiger Tooth Blades, this machine will remove polyurea joint filler.
The aluminum alloy chassis has a lifetime warranty and is powered by a 120V 15 amp Metabo W24-230.
The Mark-IV Dust Buggy comes with an 8″ x .125 x 7/8-5/8 Supreme Concrete Blade and can accommodate 7″ or 8″ blades up to .375″ wide. It features a fully adjustable blade depth and includes a depth lock to prevent overcutting.
Recent Added Features: A new motor bracket makes grinder changes faster and easier. The new blade guard allows even more visibility of the blade, and the new control box features a magnetic switch that eliminates accidental re-starts and an all in one voltage and amperage gauge to allow the operator to to push the limits without burning out the grinder.
Features
- Electric, portable joint clean-out saw ideal for joint clean-out, joint filler removal, decorative concrete, and concrete cutting
- Adjustable blade depth with up to 2 cutting depth (with 8 blade)
- Powered by a Metabo 15 Amp W24-230
- Up-cut blade rotation cleans debris out of the joint
- Solid aluminum chassis provides a durable and stable machine to allow for straight, accurate cuts
- The vacuum port allows for dust-free operation
- Made in the U.S.A.
Technical Data
| Weight | 50 lbs |
|---|---|
| RPM | 6,600 |
| AMP | 15 |
| Power Requirements | 115 V, 60 Hz |
| Max Depth of Cut | 2" |
| Blade Width | .090", .125", .250" |
| Blade Diameter | 8", 7" |
| Blade Arbor Size | 7/8" |
| Dust Collector Size | 200+ cfm |
Videos
Manuals & Documents
Questions & Answers
The Mark-IV uses a Metabo W24-230 grinder motor.
The Mark-IV with the W24-230 motor is for general joint cleanout and is better suited for longer cords, big open spaces, less work load on the machine.
2" Maximum depth with an 8" Blade, 1.5" with a 7" blade. The depth will be reduced as the blade wears.
Yes, using the Tiger Tooth Blade is recommended.
New construction joint cleanout: 50 ft a minute.
Polyurea removal: 3-6 feet a minute @ 1/2" depth, .125 joint width depending on several variables, faster if your only going 1/4" deep.
Yes and no, it works fine if you cut the day after the slab is poured but it is not recommended for cutting freshly poured concrete.
OSHA states you need 25 CFM (cubic feet per minute) of vacuum for every 1" in diameter of the blade, so a vacuum that has a minimum of 200 CFM is needed. A "Big Box Store" wet/dry vac is not going to be sufficient.
Any 7" or 8" blade that has a 7/8" arbor hole and is rated for at least 7,640 rpm.
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