END MILL HOLDERS
CAT 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 25,000 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
CAT40 - INCH Part Number Ød L L1 L2 L3 D D1
Set Screw Part Number
Max. RPM Fig.
L1
C4006-0125-1.38 1/8" 1.38" 0.63" - C4006-0125-2.36 1/8" 2.36" 0.98" 1.38" - - C4006-0125-4.00 1/8" 4.00" 2.62" 1.38" - C4006-0187-1.38 3/16" 1.38" 0.63" - - C4006-0187-2.50 3/16" 2.50" 1.12" 1.38" - C4006-0187-4.00 3/16" 4.00" 2.62" 1.38" - C4006-0250-1.38 1/4" 1.38" 0.63" - C4006-0250-2.50 1/4" 2.50" 1.12" 1.38" - -
0.75" -
S6-32X1/4 25K 1
L
0.75" 1.75" S6-32X1/4 25K 2 0.75" 1.75" S6-32X1/4 25K 2 0.75" 1.75" S8-32X1/4 25K 2 0.75" 1.75" S8-32X1/4 25K 2 0.75" - S8-32X1/4 25K 1
L
0.79" -
S1/4-28X1/4 25K 1
0.79" 1.75" S1/4-28X1/4 25K 2
Fig. 1
C4006-0250-4.00 1/4" 4.00" 2.62" 1.38" - 0.79" 1.75" S1/4-28X1/4 25K 2 C4006-0250-9.00 1/4" 9.00" 1.70" 5.69" 1.61" 0.79" 1.75" S1/4-28X1/4 25K 3 C4006-0312-2.50 5/16" 2.50" 1.12" 1.38" - 0.87" 1.75" S5/16-24X1/4 25K 2 C4006-0312-4.00 5/16" 4.00" 2.67" 1.33" - 0.87" 1.75" S5/16-24X1/4 25K 2 C4006-0375-1.38 3/8" 1.38" 0.63" - - 1.00" - S3/8-24X5/16 25K 1 C4006-0375-2.50 3/8" 2.50" 1.12" 1.38" - 1.00" 1.75" S3/8-24X5/16 25K 2 C4006-0375-4.00 3/8" 4.00" 2.62" 1.38" - 1.00" 1.75" S3/8-24X5/16 25K 2 C4006-0375-5.00 3/8" 5.00" 3.62" 1.38" - 1.00" 1.75" S3/8-24X5/16 25K 2 C4006-0375-9.00 3/8" 9.00" 1.70" 5.72" 1.59" 1.00" 1.75" S3/8-24X5/16 25K 3 C4006-0437-2.50 7/16" 2.50" 1.12" 1.38" - 1.38" 1.75" S7/16-20X3/8 25K 2 C4006-0437-4.00 7/16" 4.00" 2.65" 1.54" - 1.38" 1.75" S7/16-20X3/8 25K 2 C4006-0500-1.75 1/2" 1.75" 1.00" - - 1.38" - S7/16-20X3/8 25K 1 C4006-0500-2.50 1/2" 2.50" 1.12" 1.38" - 1.38" 1.75" S7/16-20X3/8 25K 2 C4006-0500-4.00 1/2" 4.00" 2.62" 1.38" - 1.38" 1.75" S7/16-20X3/8 25K 2 C4006-0500-5.00 1/2" 5.00" 3.62" 1.38" - 1.38" 1.75" S7/16-20X3/8 25K 2 C4006-0500-9.00 1/2" 9.00" 1.70" 5.72" 1.59" 1.38" 1.75" S7/16-20X3/8 25K 3 C4006-0625-1.75 5/8" 1.75" 1.29" - - 1.65" - S9/16-18X1/2 25K 1 C4006-0625-3.00 5/8" 3.00" 1.62" 1.38" - 1.65" 1.75" S9/16-18X1/2 25K 2 C4006-0625-4.00 5/8" 4.00" 2.60" 1.40" - 1.65" 1.75" S9/16-18X1/2 25K 2 C4006-0625-5.50 5/8" 5.50" 4.12" 1.38" - 1.65" 1.75" S9/16-18X1/2 25K 2 Note: • Set Screws are included. • Extended Length End Mill Holders can be modified with DIN flange coolant ports. Available in TAPER PLUS + Dual-taper and flange contact
D1 D d
L1 L2
L
L
Fig. 2
D1 d D
L1
L
L2
L3
L
Fig. 3
Retention Knobs Page 267
Tool Clampers Page 274
Set Screws Page 173
159
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