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NBC (New Baby Chuck) Collets
Made by Big Daishowa Seiki Co and others ?
NBC (New Baby Chuck) Collet Collapsibility is .010" for NBC 6 and .020" for NBC 8 to NBC20.
T.I.R. is less than 0.00004" at the collet nose and 0.00012" at 4 x D.
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Info from Big Daishowa Seiki Co on-line catalog 12/18/12
Model |
Collet Range |
D |
L |
A° |
NBC 6 |
0.5 - 6mm
.020 - 0.236"" |
0.37" |
0.55" |
?° |
NBC 8 |
1.0 - 8mm
0.039 - 0.315" |
0.49" |
0.70" |
?° |
NBC 10 |
2 - 10mm
0.079 - 0.394" |
0.64 |
1.06" |
?° |
NBC 13 |
3 - 13mm
0.118 - 0.512" |
0.80" |
1.22" |
?° |
NBC 16 |
3 - 16mm
0.118 - 0.630" |
1.00" |
1.37" |
?° |
NBC 20 |
3 - 20mm
0.118 - 0.787" |
1.12" |
1.49" |
* 12° |
* measured by Tools-n-Gizmos
Note:
The specifications and information provided on this page are intended for part identification purposes only.
Although we believe them to be correct, dimensions should not be used for part construction or inspection.
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