Products
Shell Mill Holders
- Constructed of alloy steel for long, durable service life.
- Hardened to RC 56-60 for long service life.*
- Shiny taper with black oxide finish for the best combination of accuracy and durability.
- Shell mill pilot T.I.R. ≤.0002”.
- Parsymmetry™ design for high-speed operation.
- Plastic bumper protects spindle and holder during tool changes. Available on NMTB 40 and 50 holders only.
* HSK Shell Mill Holders are through-hardened to RC 48-52.
Lock screw and/or sockethead cap screw are included. Refer to Screws and Drive Keys for more information.
1/2" DIAMETER
| Part Number |
Taper Type |
A (Dia.) |
B (Dia.) |
C |
G |
Drive Key |
Thread |
Lock Screw |
Cap Screw |
| B30-50SM118 |
BT 30 |
.500 |
1.50 |
1.18 |
.56 |
.25 |
1/4 - 28 |
5OLS |
- |
3/4" DIAMETER
| Part Number |
Taper Type |
Flange Coolant |
A (Dia.) |
B (Dia.) |
C |
G |
Drive Key |
Thread |
Lock Screw |
Cap Screw |
| B30-75SM118 |
BT 30 |
- |
.750 |
1.75 |
1.18 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| B40-75SM2 |
BT 40 |
- |
.750 |
1.75 |
2.00 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| B40-75SM4 |
BT 40 |
- |
.750 |
1.75 |
4.00 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| C40-75SM1 |
CAT 40 |
- |
.750 |
1.75 |
1.38 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| C40-75SM2 |
CAT 40 |
- |
.750 |
1.75 |
1.50 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| C40-75SM200 |
CAT 40 |
- |
.750 |
1.75 |
2.00 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| C40-75SM4 |
CAT 40 |
C40B-75SM4 |
.750 |
1.75 |
4.00 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| C50-75SM1 |
CAT 50 |
- |
.750 |
1.75 |
1.50 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| C50-75SM3 |
CAT 50 |
C50B-75SM3 |
.750 |
1.75 |
3.50 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| C50-75SM5 |
CAT 50 |
C50B-75SM5 |
.750 |
1.75 |
5.50 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| CH30-75SM2 |
CHIRON 30 Style 2* |
- |
.750 |
1.75 |
2.00 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| H63-75SM2 |
HSK 63 |
- |
.750 |
1.75 |
2.37 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| H100-75SM3 |
HSK 100 |
- |
.750 |
1.75 |
3.00 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| PC4-75SM1 |
PC4** |
- |
.750 |
1.75 |
.78 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| PC6-75SM1 |
PC6** |
- |
.750 |
1.75 |
.78 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| N30-75SM1 |
NMTB 30 |
- |
.750 |
1.75 |
1.31 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| N40-75SM1 |
NMTB 40 |
- |
.750 |
1.75 |
.88 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| N50-75SM1 |
NMTB 50 |
- |
.750 |
1.75 |
1.50 |
.68 |
.31 |
3/8 - 24 |
- |
028-192 |
| Lock screw and/or sockethead cap screw are included. Refer to page 90 for more information. |
1" DIAMETER
| Part Number |
Taper Type |
Flange Coolant |
A (Dia.) |
B (Dia.) |
C |
G |
Drive Key |
Thread |
Lock Screw |
Cap Screw |
| B30-10SM177 |
BT 30 |
- |
1.000 |
2.38 |
1.77 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| B40-10SM2 |
BT 40 |
- |
1.000 |
2.25 |
2.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| B40-10SM4 |
BT 40 |
- |
1.000 |
2.25 |
4.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| C40-10SM1 |
CAT 40 |
- |
1.000 |
2.25 |
1.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| C40-10SM2 |
CAT 40 |
C40B-10SM2 |
1.000 |
2.25 |
2.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| C40-10SM4 |
CAT 40 |
- |
1.000 |
2.25 |
4.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| C50-10SM2 |
CAT 50 |
C50B-10SM2 |
1.000 |
2.25 |
2.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| C50-10SM4 |
CAT 50 |
- |
1.000 |
2.25 |
4.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| C50-10SM6 |
CAT 50 |
- |
1.000 |
2.25 |
6.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| CH30-10SM2 |
CHIRON 30 Style 2* |
- |
1.000 |
2.25 |
2.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| H63-10SM2 |
HSK 63 |
- |
1.000 |
2.25 |
2.63 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| H100-10SM2 |
HSK 100 |
- |
1.000 |
2.25 |
2.37 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| N30-10SM1 |
NMTB 30 |
- |
1.000 |
2.25 |
1.31 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| N40-10SM1 |
NMTB 40 |
- |
1.000 |
2.25 |
1.31 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| N50-10SM2 |
NMTB 50 |
- |
1.000 |
2.25 |
2.00 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
| PC6-10SM1 |
PC6** |
- |
1.000 |
2.25 |
.78 |
.68 |
.38 |
1/2 - 20 |
10LS |
028-188 |
* CHIRON STYLE 1: Non-removable drive ring. CHIRON STYLE 2: Removable drive ring.
** For information on Modular Shanks, Extensions and Reductions, refer to Boring.
† Does not have tool changer safe zone. May not fit some machines. Deviates from ANSI B5.50/1994. |
1 1/4" DIAMETER
| Part Number |
Taper Type |
Flange Coolant |
A (Dia.) |
B (Dia.) |
C |
G |
Drive Key |
Thread |
Lock Screw |
Cap Screw |
| B40-12SM2 |
BT 40 |
- |
1.250 |
2.75 |
2.25 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| C40-12SM1†|
CAT 40 |
- |
1.250 |
2.75 |
1.62 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| C40-12SM2 |
CAT 40 |
C40B-12SM2 |
1.250 |
2.75 |
2.25 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| C40-12SM4 |
CAT 40 |
- |
1.250 |
2.75 |
4.00 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| C50-12SM1 |
CAT 50 |
- |
1.250 |
2.75 |
1.50 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| C50-12SM3 |
CAT 50 |
C50B-12SM3 |
1.250 |
2.75 |
3.50 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| C50-12SM5 |
CAT 50 |
- |
1.250 |
2.75 |
5.50 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| C50-12SM775 |
CAT50 |
- |
1.250 |
2.75 |
7.75 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| H63-12SM2 |
HSK 63 |
- |
1.250 |
2.75 |
2.37 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| H100-12SM1 |
HSK 100 |
- |
1.250 |
2.75 |
1.87 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| N30-12SM1 |
NMTB 30 |
- |
1.250 |
2.75 |
1.44 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| N40-12SM1 |
NMTB 40 |
- |
1.250 |
2.75 |
1.50 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| N50-12SM2 |
NMTB 50 |
- |
1.250 |
2.75 |
1.50 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
| PC6-12SM1 |
PC6** |
- |
1.250 |
2.75 |
1.03 |
.68 |
.50 |
5/8 - 18 |
12LS |
028-193 |
** For information on Modular Shanks, Extensions and Reductions, refer to Boring.
† Does not have tool changer safe zone. May not fit some machines. Deviates from ANSI B5.50/1994. |
1 1/2" DIAMETER
| Part Number |
Taper Type |
Flange Coolant |
A (Dia.) |
B (Dia.) |
C |
G |
Drive Key |
Thread |
Lock Screw |
Cap Screw |
| B40-15SM2 |
BT 40 |
- |
1.500 |
3.75 |
2.25 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| C40-15SM2 |
CAT 40 |
C40B-15SM2 |
1.500 |
3.75 |
2.40 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| C40-15SM4 |
CAT 40 |
- |
1.500 |
3.75 |
4.00 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| C50-15SM2 |
CAT 50 |
C50B-15SM2 |
1.500 |
3.75 |
2.40 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| C50-15SM4 |
CAT 50 |
- |
1.500 |
3.75 |
4.00 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| C50-15SM6 |
CAT 50 |
- |
1.500 |
3.75 |
6.00 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| C50-15SM775 |
CAT 50 |
- |
1.500 |
3.75 |
7.75 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| H63-15SM2 |
HSK 63 |
- |
1.500 |
3.75 |
2.62 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| H100-15SM2 |
HSK 100 |
- |
1.500 |
3.75 |
2.88 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| N40-15SM1 |
NMTB 40 |
- |
1.500 |
3.75 |
1.62 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| N50-15SM2 |
NMTB 50 |
- |
1.500 |
3.75 |
2.40 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| PC6-15SM2 |
PC6** |
- |
1.500 |
3.75 |
1.53 |
.94 |
.62 |
3/4 - 16 |
15LS |
- |
| ** For information on Modular Shanks, Extensions and Reductions, refer to Boring. |
2" DIAMETER
| Part Number |
Taper Type |
Flange Coolant |
A (Dia.) |
B (Dia.) |
C |
G |
Drive Key |
Thread |
Lock Screw |
Cap Screw |
| C50-20SM2 |
CAT 50*** |
C50B-20SM2 |
2.000 |
4.88 |
2.40 |
.94 |
.75 |
1" -14 |
20LS |
- |
| C50-20SM4 |
CAT 50*** |
- |
2.000 |
4.88 |
4.00 |
.94 |
.75 |
1" -14 |
20LS |
- |
| C50-20SM6 |
CAT 50*** |
- |
2.000 |
4.88 |
6.00 |
.94 |
.75 |
1" -14 |
20LS |
- |
| H63-20SM2 |
HSK 63 |
- |
2.000 |
4.88 |
2.37 |
.94 |
.75 |
1" -14 |
20LS |
- |
| H100-20SM2 |
HSK 100 |
- |
2.000 |
4.88 |
2.37 |
.94 |
.75 |
1" -14 |
20LS |
- |
| N50-20SM2 |
NMTB 50*** |
- |
2.000 |
4.88 |
2.40 |
.94 |
.75 |
1" -14 |
20LS |
- |
| *** Includes (4) 5/8 - 11 tapped holes on 4" bolt circle. |
2 1/2" DIAMETER
| Part Number |
Taper Type |
Flange Coolant |
A (Dia.) |
B (Dia.) |
C |
G |
Drive Key |
Thread |
Lock Screw |
Cap Screw |
| C50-25SM2 |
CAT 50*** |
- |
2.500 |
4.88 |
2.40 |
1.12 |
1.00 |
1" - 14 |
25LS |
- |
| C50-25SM4 |
CAT 50*** |
- |
2.500 |
4.88 |
4.00 |
1.12 |
1.00 |
1" - 14 |
25LS |
- |
| C50-25SM6 |
CAT 50*** |
- |
2.500 |
4.88 |
6.00 |
1.12 |
1.00 |
1" - 14 |
25LS |
- |
| H100-25SM2 |
HSK 100 |
- |
2.500 |
4.88 |
2.87 |
1.12 |
1.00 |
1" - 14 |
25LS |
- |
| *** Includes (4) 5/8 - 11 tapped holes on 4" bolt circle. |
SHELL/FACE MILL HOLDERS
| Part Number |
A (Dia.) |
B (Dia.) |
C |
G |
Drive Key |
| C50-25FM1*** |
2.500 |
5.06 |
2.25 |
1.00 |
1.00 |
| *** Includes (4) 5/8 - 11 tapped holes on 4" bolt circle. |
Made in USA