SR- High Speed Rotary Cutting Wheels & Burrs

Model # starts with SR-

What speed can I run DuraGRIT tools at?

DuraGRIT® rotary tools are rated to run up to the following speeds: High Speed Rotary Carbide Cutting Wheels & Carving Burrs (Model # starts with SR- and have 1/8" diameter shaft) Run up to 35,000 rpm Industrial Carbide Tools (Model # starts with ...

Can I use other mandrels for my DuraGRIT Wheels or Screw Tip Burrs?

No. DO NOT attach DuraGRIT® rotary wheels or screw tip burrs to other mandrels.  DuraGRIT® mandrels are extra strength .  Attach DuraGRIT® tools only  to the mandrels they are supplied with.  

How far into the chuck must I position the DuraGRIT rotary tool?

DuraGRIT Rotary tools with black mandrels, should be inserted into the drill chuck or collet, up to the shoulder of the shaft.   Non-black, one piece shafted rotary tools should be inserted at least half of the ungritted shaft length.

Where is the red washer positioned with DuraGRIT cutting and shaping wheels?

Before dismantling my DuraGRIT cutting wheel, I noticed that the red washer was positioned between the back of the wheel and the shoulder/flange of the mandrel.  Is that correct?  Yes, position the red washer between the back of the wheel and the ...

Can I run my DuraGRIT rotary bits in reverse?

Any DuraGRIT® wheel or rotary tool that has a black mandrel, must NOT be run in reverse.   If you have a reversible drill, such as a Foredom®, make sure it is set to run in forward direction (counter clockwise when looking at the tip of the tool...

Which tool(s) do you recommend for drilling, shaping or cutting ceramic wall tile?

Two DuraGRIT carbide hand files: HT-RF4 (round) and HT-SF4 (square) or Two DuraGRIT carbide rotary tools that 'shape' clay backed, ceramic 'WALL': SR-MSW-046 and the SR-HT2-046. These tools can shape the edge of a wall tile to fit it into or aroun...

I need to remove sanded grout. Do you have a recommendation for a tool I can use?

DuraGRIT recommends the Dremel® MultiMax MM1500 and MM1501 blade for sanded grout removal between (floor) tiles. The MM1501 (1/16" width) and MM 1500 (1/8" width), require the Dremel® MultiMax Oscillating tool to run in. These items can be found i...

SR-GW4 Grout Removal Wheel Tips

DuraGRIT SR-GW4 Non-Sanded Grout Removal Wheel TIPS: As noted on the DuraGRIT website and in the demo movie, DuraGRIT recommends running the GW4 grout removal wheel in a right angle drive (e.g. Dremel 575) attached to your hi-speed rotary drill....

What are the advantages of DuraGRIT carbide sanding products?

DuraGRIT carbide sanding discs and sanders are exactly the US standard Mesh size for each grit grade, the same way ordinary sanding products are.  The difference is as follows: As soon as you start using an ordinary  sandpaper product (say an 80 ...

What are Typical Uses (and suggested grit grades) for DuraGRIT Carbide Tools?

To assist you with your selection of the appropriate carbide sanding product, note some sample uses based on grit grades: 46 grit:  (DB  DuraDISC  / LR  Large Rotary Burrs  / SR  Small Rotary Burrs ) - rapid material removal of hard and soft wood ...