END MILL HOLDERS
HSK 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.
D1 D d
HSK63A Part Number Ød L L1
Set Screw Part Number
Max. RPM Fig.
L2 D D1
HSK63A-0187-3.00 3/16" 3.00" 1.58" 1.42" 0.75" 1.58" S8-32X1/4 25K 16 HSK63A-0187-5.00 3/16" 5.00" 3.58" 1.42" 0.75" 1.58" S8-32X1/4 25K 16 HSK63A-0250-3.00 1/4" 3.00" 1.58" 1.42" 0.79" 1.58" S1/4-28X1/4 25K 16 HSK63A-0250-5.00 1/4" 5.00" 3.58" 1.42" 0.79" 1.58" S1/4-28X1/4 25K 16 HSK63A-0312-3.00 5/16" 3.00" 1.98" 1.02" 0.87" - S5/16-24X1/4 25K 17 HSK63A-0312-5.00 5/16" 5.00" 3.98" 1.02" 0.87" - S5/16-24X1/4 25K 17 HSK63A-0375-3.50 3/8" 3.50" 2.48" 1.02" 1.00" - S3/8-24X5/16 25K 17 HSK63A-0375-5.00 3/8" 5.00" 3.98" 1.02" 1.00" - S3/8-24X5/16 25K 17 HSK63A-0437-4.00 7/16" 4.00" 2.98" 1.02" 1.38" - S7/16-20X3/8 25K 17 HSK63A-0437-5.00 7/16" 5.00" 3.98" 1.02" 1.38" - S7/16-20X3/8 25K 17 HSK63A-0500-4.00 1/2" 4.00" 2.98" 1.02" 1.38" - S7/16-20X3/8 25K 17 HSK63A-0500-5.00 1/2" 5.00" 3.98" 1.02" 1.38" - S7/16-20X3/8 25K 17 HSK63A-0625-4.00 5/8" 4.00" 2.98" 1.02" 1.65" - S9/16-18X1/2 25K 17 HSK63A-0625-5.00 5/8" 5.00" 3.98" 1.02" 1.65" - S9/16-18X1/2 25K 17 HSK63A-0750-4.50 3/4" 4.50" 3.48" 1.02" 1.89" - S5/8-18X1/2 25K 17 HSK63A-0750-6.00 3/4" 6.00" 4.98" 1.02" 1.89" - S5/8-18X1/2 25K 17 HSK63A-1000-4.50 1" 4.50" 2.85" 1.65" 2.36" - S3/4-16X11/16 (2) 25K 18 HSK63A-1000-6.00 1" 6.00" 4.35" 1.65" 2.36" - S3/4-16X11/16 (2) 25K 18 HSK63A-1250-4.50 1-1/4" 4.50" 2.85" 1.65" 2.48" - S3/4-16X11/16 (2) 25K 18 HSK63A-1250-6.00 1-1/4" 6.00" 4.35" 1.65" 2.48" - S3/4-16X11/16 (2) 25K 18
L1
L
L2
L
Fig. 16
D d
L1
L
L
Fig. 17
D d
Note: • Set Screws are included. • Coolant tube and coolant tube wrench are sold separately.
L1
L
L
Fig. 18
Retention Knobs Page 267
Tool Clampers Page 274
Set Screws Page 173
169
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