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12PC High Precision ER32 Collets Set
Accuracy: 0.0003" or 5um
1/8, 3/16"; 7/32; 1/4"; 5/16"; 3/8"; 7/16, 1/2"; 9/16"; 5/8"; 11/16"; 3/4".
Running True at High Speed turning
Fit all R8, morse tapper, CAT BT CNC ER32 chuck or holder
Free Shipping in US
Don't drop any good collets into those rough and junk tool holders.
The total run out is holder and collets combined
If one goes bad, you'll see large run out and won't be running true
See two video below, the indicator is same, which is 0.0001", first video shows my tool holder with collets is about 0.0003" accuracy, then the 2nd video shows tool holders alone are 0.0001", you do the math, so the run out of collets is 0.0003-0.0001", my promise on collets are 2 to 3 tenth. Total runout is holder and collets combined, so you may need a good set of tool holder as well in order to run collets true
cat40er3211
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cat40er32
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Features:
Made of high grade spring steel
Ground roughness is Ra0.4 Microns, plus overall fine polish
12PC Size: 1/8, 3/16"; 7/32; 1/4"; 5/16"; 3/8"; 7/16, 1/2"; 9/16"; 5/8"; 11/16"; 3/4".
T.I.R.: 0.0003" or 5um. In order to make all collets running true, on your side, make sure your machine spindle and chuck holder running true, on my side, I'll make sure all those collets running in tenth.
Seems like all sellers claim their collets are in 3-5 tenth, but yes or no, only customers can tell. Copy other sellers products description is easy, but make all collets running true is difficult. If you bought collets with more than 2 thousands run out, don't think I'm selling the same.
It seems like collets, tool holders and pull studs are 3 different pieces of tooling, however, when you load them to the spindle, all 3 becomes one solid piece. So make sure all 3 pieces meet certain standard, otherwise, if one piece is rough or goes bad, all others won't work right, that's why you may see large runout. Bad holders will scratch collets surface sooner, and reduce the life span and accuracy of collets. You can't use collets alone, and collets must be inside tool holders. In order to get couple tenth or half thousands total runout, both collets and tool holders must be running true by itself.
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.
Decent quality at reasonable price
Made of high grade spring steel
Ground roughness is Ra0.4 Microns, plus overall fine polish
12PC Size: 1/8, 3/16"; 7/32; 1/4"; 5/16"; 3/8"; 7/16, 1/2"; 9/16"; 5/8"; 11/16"; 3/4".
T.I.R.: 0.0003" or 5um. In order to make all collets running true, on your side, make sure your machine spindle and chuck holder running true, on my side, I'll make sure all those collets running in tenth.
Seems like all sellers claim their collets are in 3-5 tenth, but yes or no, only customers can tell. Copy other sellers products description is easy, but make all collets running true is difficult. If you bought collets with more than 2 thousands run out, don't think I'm selling the same.
It seems like collets, tool holders and pull studs are 3 different pieces of tooling, however, when you load them to the spindle, all 3 becomes one solid piece. So make sure all 3 pieces meet certain standard, otherwise, if one piece is rough or goes bad, all others won't work right, that's why you may see large runout. Bad holders will scratch collets surface sooner, and reduce the life span and accuracy of collets. You can't use collets alone, and collets must be inside tool holders. In order to get couple tenth or half thousands total runout, both collets and tool holders must be running true by itself.
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.
Decent quality at reasonable price
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