SHRINK FIT
NCAT50 SHRINK FIT HOLDERS
FEATURES • Excellent surface finish, extreme gripping and ideal for high-speed applications • Pre-balanced up to 25,000 RPM • Increase cutting tool life, material removal rate and workpiece accuracy • All shrink fit holders 6mm (1/4") and above include a backup screw MATERIAL: H11 High Alloy Steel HARDNESS: 52 HRc tempered
T.I.R. 0.0001 " in ID bore Speed Up to 25,000 rpm
RPM
COOLANT-THRU Coolant-Thru
Plugable Coolant Ports
MILLING
DRILLING REAMING
Please note that the maximum RPM listed in our catalog may vary depending on the toolholder shank, weight, balanceability and the G rating.
D1 D
STANDARD Part Number NCAT50-SF0125-3.15 NCAT50-SF0187-3.15
D D1 Max.
d L
L1
RPM Fig.
d
1/8" 3.15" 2.00" 0.39" 0.71" 25K 1 3/16" 3.15" 2.00" 0.39" 0.71" 25K 1
L1
L
STANDARD COOLANT PORTED Part Number d L L1
D D1 D2 Max.
RPM Fig.
NCAT50-SF0250-3.15CP NCAT50-SF0250-5.12CP NCAT50-SF0312-3.15CP NCAT50-SF0312-5.12CP NCAT50-SF0375-3.15CP NCAT50-SF0375-5.12CP NCAT50-SF0437-3.15CP NCAT50-SF0500-3.15CP NCAT50-SF0500-5.12CP NCAT50-SF0625-3.15CP NCAT50-SF0625-5.12CP NCAT50-SF0750-3.15CP NCAT50-SF0750-5.12CP NCAT50-SF1000-3.94CP NCAT50-SF1000-5.12CP
1/4" 3.15" 1.50" 0.83" 1.06" -
25K 1
L
1/4" 5.12" 1.50" 0.83" 1.06" 1.26" 25K 2
5/16" 3.15" 1.50" 0.83" 1.06" -
25K 1
5/16" 5.12" 1.50" 0.83" 1.06" 1.26" 25K 2
Fig. 1
3/8" 3.15" 2.00" 0.95" 1.26" -
25K 1
D1 D2 D
3/8" 5.12" 2.00" 0.95" 1.26" 1.42" 25K 2
7/16" 3.15" 2.00" 0.95" 1.26" - 1/2" 3.15" 2.00" 0.95" 1.26" -
25K 1 25K 1
d
1/2" 5.12" 2.00" 0.95" 1.26" 1.42" 25K 2
L1
5/8" 3.15" 1.75" 1.06" 1.34" -
25K 1
L
5/8" 5.12" 1.75" 1.06" 1.34" 1.51" 25K 2
3/4" 3.15" 2.22" 1.30" 1.65" -
25K 1
3/4" 5.12" 2.25" 1.30" 1.65" 1.80" 25K 2
1" 3.94" 2.25" 1.73" 2.09" -
25K 1
L
1" 5.12" 2.25" 1.73" 2.09" 2.23" 25K 2
NCAT50-SF1250-3.94CP 1-1/4" 3.15" 2.25" 1.73" 2.09" -
25K 1
NCAT50-SF1250-5.12CP
1-1/4" 5.12" 2.25" 1.73" 2.09" 2.22" 25K 2
Fig. 2
NCAT50-SF6-80CP NCAT50-SF8-80CP NCAT50-SF10-80CP NCAT50-SF14-80CP
6mm 3.15" 1.50" 0.83" 1.06" - 8mm 3.15" 1.50" 0.83" 1.06" - 10mm 3.15" 2.00" 0.95" 1.26" - 14mm 3.15" 1.75" 1.06" 1.34" -
25K 1 25K 1 25K 1 25K 1
" CP " stands for " Coolant Ported " . Shrink fit is center-thru coolant capable. Contact us for additional coolant options.
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