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12PC High Accuracy ER40 Collets Set
Size 1/8, 3/16, 1/4"; 5/16"; 3/8"; 1/2"; 5/8"; 3/4", 7/8", 1", 1-1/16, 1-1/8"
Made of high grade spring steel
Accuracy: 0.0003" or 5um
Ground roughness is Ra0.4 Microns, plus overall fine polish
Running True at High Speed turning
Fit for all R8, morse tapper, CAT BT CNC ER40 chuck or holder
- Special angled slots increase rigidity
- Better overall balance of tool holder assembly
- Protects tool holder from contaminants
- Use with any standard ER collet chucks for coolant-thru tool applications.
gp
Reviewed in Canada on January 7, 2025
Beau kit
Paul
Reviewed in the United States on April 9, 2024
Ehh you get what you pay for.........
Parky
Reviewed in the United States on July 6, 2023
Collects look great and work well , thanks.
Daniel
Reviewed in Mexico on May 8, 2023
Para el precio pienso que estan bien, pienso usarlo como Chuck para el torno, tengo otro juego para la fresadora y si son mรกs precisas, como dato el juego que compre tiene una excentricidad de .002" a .004", lo que me gustรณ es que tiene para medidas hasta 1 1/8", lo que las otras marcas solo llegan a 1"
jorge l.
Reviewed in Mexico on January 17, 2023
Buen producto
Willian Delgado
Reviewed in the United States on May 16, 2021
Excelente
Lilly
Reviewed in the United States on November 19, 2021
Have not measured runout or used all of them but the ones Iโve used appear to run true enough
pth
Reviewed in the United States on January 21, 2021
Half of the collets are over or under size from what they are marked. Not a good set
Dragonheart
Reviewed in the United States on November 1, 2020
If you are considering a collet chuck & collets the only reason I can think of is to acheive better accuracy over a 3 jaw chuck or at least that is the reason I went to collets for my Drill Mill. I wasn't disappointed because the ER32 collets, even if they require more time for set up, are far more accurate than my drill chuck.Unfortunately , that was not the case with this ER40 12 collet set. I checked out three collets in this set this set, runout was more using these collets than my 3 jaw lathe chuck. Fortunately, I purchased these from Amazon and returned them promptly. ER40 Collets I have purchased singly have been considerably more costly, but accurate. Now once bitten I am leary of sets.
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