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- Shank Diameter: 3/4"
- MinBore: 7/16"
- OAL: 3-3/8"
- Bore Depth: 1-3/8"
- Inserts TCMT21.51(TCMT110204)
- Shank Diameter: 3/4"
- MinBore: 1/2"
- OAL: 3-5/8"
- Bore Depth: 1-5/8"
- Inserts TCMT21.51(TCMT110204)
- Shank Diameter: 3/4"
- MinBore: 9/16"
- OAL: 3-7/8"
- Bore Depth: 1-7/8"
- Inserts TCMT221(TCMT110304)
- Shank Diameter: 3/4"
- MinBore: 1/2"
- OAL: 4-5/8"
- Bore Depth: 2-5/8"
- Inserts TCMT21.51(TCMT110204)
- Shank Diameter: 3/4"
- MinBore: 9/16"
- OAL: 5"
- Bore Depth: 3"
- Inserts TCMT221(TCMT110304)
- Shank Diameter: 3/4"
- MinBore: 11/16"
- OAL: 5-1/2"
- Bore Depth: 3-1/2"
- Inserts TCMT221(TCMT110304)
Package Includes
- 8pcs Boring Bar Holers with Carbide inserts
- 1pcs Key
- 1pcs Alumium Carrying Case
- Shank: 3/4 inch
- C6 grade: carbide for steel and alloy steel
- Pieces per set: 8
- Screw Size: M2.5 x 6.0
- Positive Rake 90° Lead
- Uses 0.050 inch key
- 1/4 inch I.C. carbide inserts fit all bars
- Radius = 0.015 inch
- Key = T8
Keith A Jesperson
Reviewed in the United States on March 25, 2024
I have not used these yet but have noticed a couple of things. First off it came with a T15 key but the screws are T8. It states that four bars take a 221 insert and four bars take a 21.51 insert. They are all 21.51 inserts. I would think that the insert pocket would have to be a bit deeper to take the 221 insert for it is a bit thicker. Not sure if the screws would be long enough either. Otherwise they look to be ok. I guess I will just have to deal with it.
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