MCRT30 is a TCT three-flute straight router bit for grooves, dados, slots and shallow pockets in wood, MDF and plywood, according to the product text. The title and gallery drawing give an 8 mm cutter, 22 mm cutting length and 1/2 inch shank. The live type label repeats those dimensions and identifies a chip-breaker cutter.
Specifications
| Product type | TCT three-flute straight router bit |
|---|---|
| Cutter diameter | 8 mm |
| Cutting length | 22 mm |
| Shank | 1/2 inch |
| Option label | Three-edge straight cutter with chip breaker |
| Listed materials | Wood, MDF and plywood |
Check the chip-breaker label and cutting depth
The listed shank is 1/2 inch. Match it to the collet, then check the 8 mm diameter, 22 mm cutting length and intended groove depth. The option label mentions a chip breaker. Test the cut on scrap stock before routing finished panels.
Before routing
- Confirm the 1/2 inch shank matches the machine holder.
- Check the 8 mm diameter against the planned groove width.
- Keep the cutting depth within the 22 mm cutting length.
- Set the fence, guide or toolpath from test stock.
- Inspect chip evacuation during a test pass.
Listing limits
The title, selector and drawing identify an 8 x 22 mm cutter with a 1/2 inch shank. The page gives no machine-specific speed chart or detailed chip-breaker specification. Confirm the tool and workholding for the material before use.
Product gallery



Related category: Straight and Spiral Router Bits.













