STUB MILL HOLDERS
CAT & BT STUB MILL HOLDERS FEATURES • Taper ground to AT3 or better to ensure 80% taper contact • 1/8”, 1/4”, 3/8” and 1/2” ground arbor spacers included with every holder • h6 precision ground pilot for concentric and repeatable mounting diameter T.I.R.
< 0.0002” run out at pilot Set-Up Quick and easy
CAT40/50 Part Number C4002-1000-6.17 C4002-1250-6.29 C4002-1500-6.60 C5002-1000-6.17 C5002-1250-6.28 C5002-1500-6.60
d
Taper
d
L
D
L1
Key Size
CT40 CT40 CT40 CT50 CT50 CT50
1"
6.17" 6.29" 6.60" 6.17" 6.28" 6.60"
1.50" 1.77" 2.17" 1.50" 1.77" 2.17"
4.00" 4.00" 4.00" 4.00" 4.00" 4.00"
1/4"
1-1/4" 1-1/2"
5/16" 3/8"
D
L
1"
1/4"
L1
1-1/4" 1-1/2"
5/16" 3/8"
Notes: • 1 pcs. each: 1/8”, 1/4”, 3/8” and 1/2” arbor spacers and securing nut included as standard with all listed toolholders.
BT30/40 Part Number B3002-0750-4.97 B3002-1000-5.17 B4002-1000-5.18 B4002-1250-5.32 B4002-1500-5.60
Taper
d
L
D
L1
Key Size
BT30 BT30 BT40 BT40 BT40
3/4"
4.97" 5.17" 5.18" 5.32" 5.60"
1.26" 1.50" 1.50" 1.77" 2.17"
3.00" 3.00" 3.00" 3.00" 3.00"
1/4" 1/4" 1/4" 1/4" 1/4"
1" 1"
1-1/4" 1-1/2"
d
NCAT40/50 Part Number
Taper NCAT40
d
L
D
L1
Key Size
D
L
NC4002-1000-6.17
1"
6.17" 6.29" 6.17"
1.50" 1.77" 1.50"
4.00" 4.00" 4.00"
1/4"
L1
NC4002-1250-6.29 NCAT40 1-1/4"
5/16"
NC5002-1000-6.17
NCAT50
1"
1/4"
253
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