END MILL HOLDERS
POLYGONAL TAPER END MILL HOLDERS
COOLANT-THRU
T.I.R. < 0.0002” in ID bore
Coolant-Thru
FEATURES • End mill ID bore T.I.R. < 0.0002” • Through-spindle coolant capability • AT3 or better taper
RPM
Speed Up to 30,000 RPM @ G2.5
THREAD MILLING
MILLING
DRILLING
Please note that the maximum RPM listed in our catalog may vary depending on the toolholder shank, weight, balanceability and the G rating.
D d
C4/C5/C6/C8 - INCH Part Number Ød L
Set Screw Part Number
Max. RPM Fig.
L1
D
C4-EM0250-50 C4-EM0375-50 C4-EM0500-55 C4-EM0625-55 C5-EM0250-50 C5-EM0375-55 C5-EM0500-60 C5-EM0625-60 C5-EM0750-60 C5-EM1000-80 C6-EM0250-55 C6-EM0375-60 C6-EM0500-60 C6-EM0625-65 C6-EM0750-65 C6-EM1000-80 C6-EM1250-90 C8-EM0250-70 C8-EM0375-70 C8-EM0500-70 C8-EM0625-70 C8-EM0750-70 C8-EM1000-80 C8-EM1250-80
1/4" 3/8" 1/2" 5/8" 1/4" 3/8" 1/2" 5/8" 3/4"
1.97" 1.97" 2.17" 2.17" 1.97" 2.17" 2.36" 2.36" 2.36" 3.15" 2.17" 2.36" 2.36" 2.56" 2.56" 3.15" 3.54" 2.76" 2.76" 2.76" 2.76" 2.76" 3.15" 3.15"
1.18" 1.18" 1.38" 1.38" 1.18" 1.38" 1.58" 1.58" 1.57" 2.36" 1.30" 1.50" 1.50" 1.69" 1.69" 2.28"
0.79"
S1/4-28X1/4 25K 13
L1
1.00" S3/8-24X5/16 25K 13
L
1.38" 1.65"
S7/16-20X3/8 25K 13 S9/16-18X1/2 25K 13
0.79"
S1/4-28XS1/4 25K 13
1.00" S3/8-24X5/16 25K 13
Fig. 13
1.38" 1.65" 1.89"
S7/16-20X3/8 25K 13 S9/16-18X1/2 25K 13 S5/8-18X1/2 25K 13
D d
1"
2.36" S3/4-16X11/16(2) 25K 14
L1
1/4" 3/8" 1/2" 5/8" 3/4"
0.79"
S1/4-28X1/4 25K 13
L
1.00" S3/8-24X5/16 25K 13
1.38" 1.65" 1.89"
S7/16-20X3/8 25K 13 S9/16-18X1/2 25K 13 S5/8-18X1/2 25K 13
Fig. 14
1"
2.36" S3/4-16X11/16(2) 25K 14 2.48" S3/4-16X11/16(2) 25K 15
D d
1-1/4"
-
1/4" 3/8" 1/2" 5/8" 3/4"
1.58" 1.58" 1.58" 1.58" 1.58" 1.97" 1.97"
0.79"
S1/4-28X1/4 25K 13
1.00" S3/8-24X5/16 25K 13
1.38" 1.65" 1.89"
S7/16-20X3/8 25K 13 S9/16-18X1/2 25K 13 S5/8-18X1/2 25K 13
L
1"
2.36" S3/4-16X11/16 25K 13 2.48" S3/4-16X11/16 25K 13
1-1/4"
Fig. 15
Retention Knobs Page 267
Tool Clampers Page 274
Set Screws Page 173
168
847-367-4800
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