Tooling Systems

Collets and Sleeves
20mm HC Hydraulic Chuck Sleeves
KM SYSTEM
One-piece design with slot configuration to
seal coolant.
Cutting tool must be cylindrical and have a
through hole when using coolant.
Capable of up to 120 bar (1,500 psi)
coolant pressure.
Sleeve must be inserted completely into
the hydraulic chuck until shoulder mates
against the hydraulic chuck front face.
Cutting tools must be in full contact with
the sleeve bore length (L9).
Cutting tool shank requirement tolerance is
h6 and Ra ≥ 0,3 µm (12 µ in) surface finish.
Metric and inch bores are available.
HC20M Sleeve — Metric
(20mm sleeve with metric bore)
D1 order number catalog number
sleeve
series
sleeve capacity
max. mm
sleeve capacity
min. mm
L9
3,0 3026648 20MHC030M HC20M 3,000 2,994 28
4,0 3026649 20MHC040M HC20M 4,000 3,992 28
5,0 3026650 20MHC050M HC20M 5,000 4,992 28
6,0 3026651 20MHC060M HC20M 6,000 5,992 36
7,0 3026652 20MHC070M HC20M 7,000 6,991 37
8,0 3026653 20MHC080M HC20M 8,000 7,991 37
9,0 3026654 20MHC090M HC20M 9,000 8,991 38
10,0 3026655 20MHC100M HC20M 10,000 9,991 40
11,0 3026656 20MHC110M HC20M 11,000 10,989 40
12,0 3026657 20MHC120M HC20M 12,000 11,989 45
13,0 3026658 20MHC130M HC20M 13,000 12,989 45
14,0 3026659 20MHC140M HC20M 14,000 13,989 45
15,0 3026660 20MHC150M HC20M 15,000 14,989 45
16,0 3026661 20MHC160M HC20M 16,000 15,989 48
HC20M Sleeve — Inch
(20mm sleeve with inch bore)
D1 order number catalog number
sleeve
series
sleeve capacity
max. inch
sleeve capacity
min. inch
L9
3/16 1093566 20HCM0188 HC20M .1875 .1871 1.10
1/4 1093567 20HCM0250 HC20M .2500 .2496 1.42
5/16 1093568 20HCM0312 HC20M .3125 .3121 1.46
3/8 1093569 20HCM0375 HC20M .3750 .4371 1.50
7/16 1093570 20HCM0438 HC20M .4375 .4371 1.57
1/2 1093571 20HCM0500 HC20M .5000 .4996 1.77
9/16 1093572 20HCM0562 HC20M .5625 .5621 1.77
5/8 1093573 20HCM0625 HC20M .6250 .6246 1.89
IMPORTANT: Inserting the cutting tool less than the full gripping length (L9) of the sleeve can permanently damage the sleeve and hydraulic chuck.
Full length of the gripping bore must be maintained to achieve maximum accuracy, safety, and coolant sealing feature.
INDEX TECHNICAL ACCESSORIES COLLETS / SLEEVES STRAIGHT SHANK QC / R8 SYSTEMS DV SYSTEM
CV SYSTEM
BT SYSTEM
HSK SYSTEM
To place an order, contact Kennametal or your authorized Kennametal distributor, or visit www.kennametal.com. 645