The MK Diamond MK-304CG-1 4 inch Premium Grade single row cup wheel (part 155444) is a wet/dry grinding cup wheel for surface prep. MK Diamond designs the shape for strong form mark removal, and the wheel also works for concrete deburring and rough-surface grinding. This listing is the 7/8-5/8 arbor version with 8 segments and a 6mm segment height.
Built for
- Concrete finishers and floor prep crews knocking down form marks and fins on poured walls and slabs.
- Contractors deburring concrete and grinding rough surfaces with a handheld grinder.
- Remodelers who want a lightweight cup wheel that cuts fast without tiring the operator.
Shape and weight
MK Diamond says its wet/dry grinding cup wheels have a unique shape that allows superior form mark removal, and that the lightweight design and range of sizes support fast surface grinding with a minimum of operator fatigue. The wheel can be used wet or dry. MK does not publish a maximum RPM on the product page, so match the wheel to your grinder's rated speed.
Specifications
- Brand and model: MK Diamond MK-304CG-1
- Grade: Premium Grade, single row
- Part number: 155444
- Diameter: 4 inch (102mm)
- Arbor: 7/8-5/8
- Segments: 8
- Segment height: 6mm
- Use: wet or dry
- Application: form mark removal, concrete deburring, rough-surface grinding
Frequently asked questions
What is the MK-304CG-1 used for?
MK Diamond lists it for form mark removal, concrete deburring and rough-surface grinding.
Can I use it wet or dry?
Yes. MK Diamond says its wet/dry grinding cup wheels can be used wet or dry.
What is the difference between part 155444 and part 155684?
Both are 4 inch MK-304CG-1 wheels with 8 segments. Part 155444 has a 7/8-5/8 arbor and part 155684 has a 5/8-11 nut, so choose the one that matches your grinder spindle.
How many segments does the 4 inch wheel have?
MK Diamond lists 8 segments and a 6mm segment height for the 4 inch size.
Does MK publish a maximum RPM for this wheel?
Not on the product page. Check the marking on the wheel and your grinder's rated speed before use.
Discount Cleaning Products is an authorized MK Diamond dealer, and our US-based team can help you match the right blade, arbor and tool before you order.
