Kwik-Switch Master Holder
with National Milling Machine Shank
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The National Milling Machine shank is also know as NMTB (DIN 2080 / IS 2340),
MM, National Standard, American Standard Machine Taper (ASA B5.40-1962 & ASA B5.10-1963),
ISOXX, QCXX and Quick Change.
Features:
Kwik-Switch II units have an automatic locking nut.
Kwik-Switch I units have a manual locking nut.
Accepts all Kwik-Switch shanks (Universal, Collis, Smith Tool, SPI, Scully-Jones and others).
Note! Automatic and manual nuts are not interchangeable.
 The threads on the 2 adapters are completely different.
Check Price and Availability
Universal Engineering (TSD) part numbers, dimensions and specifications
Kwik
Switch |
N.M.M.
Shank |
Universal
Part No. |
C |
D |
Thread |
Nut
Part No. |
Wrench
Part No. |
100 |
30 |
80108 |
1.75 |
2.00 |
1/2-13 |
805063 (A) |
80103 |
100 |
30 |
80105 |
1.55 |
2.00 |
1/2-13 |
80102 (M) |
80103 |
100 |
40 |
80115 |
1.75 |
2.00 |
5/8-11 |
805063 (A) |
80103 |
100 |
40 |
80106 |
1.5 |
2.00 |
5/8-11 |
80102 (M) |
80103 |
200 |
30 |
80225 |
3.28 |
2.56 |
1/2-13 |
805043 (A) |
80203 |
200 |
30 |
80204 |
3.28 |
2.56 |
1/2-13 |
80202 (M) |
80203 |
200 |
40 |
80238 |
2.00 |
2.56 |
5/8-11 |
805043 (A) |
80203 |
200 |
40 |
80205 |
1.719 |
2.56 |
5/8-11 |
80202 (M) |
80203 |
200 |
50 |
80248 |
2.06 |
2.56 |
1-8 |
805043 (A) |
80203 |
200 |
50 |
80206 |
1.84 |
2.56 |
1-8 |
80202 (M) |
80203 |
300 |
40 |
804446 |
2.91 |
3.00 |
5/8-11 |
805044 (A) |
80303 |
300 |
40 |
80305 |
2.91 |
3.00 |
5/8-11 |
80302 (M) |
80303 |
300 |
50 |
804448 |
2.25 |
3.00 |
1-8 |
805044 (A) |
80303 |
300 |
50 |
80306 |
2.03 |
3.00 |
1-8 |
80302 (M) |
80303 |
400 |
50 |
804495 |
2.78 |
3.75 |
1-8 |
805045 (A) |
80403 |
400 |
50 |
80406 |
2.72 |
3.75 |
1-8 |
80402 (M) |
80403 |
 (M) Manual Nut
 (A) Automatic Nut
Related Links:
Kwik-Switch Shank specs
NMTB Shank specs
Wrench (Spanner) specs
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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