Tooling Systems

KM SYSTEM
HSK SYSTEM
HSK 40A Shank Tools
Shrink Fit Toolholders
Pre-balanced G2.5 @ 15,000 rpm.
Runout ≤0,003mm (.0001").
Through-the-toolholder coolant capability.
Suitable for carbide and HSS cutting tools
(requirements below).
10mm (3/8") axial adjustment.
TT-HSK form A — Metric
BT SYSTEM
CV SYSTEM
DV SYSTEM
QC / R8 SYSTEMS
STRAIGHT SHANK
COLLETS / SLEEVES
INDEX TECHNICAL ACCESSORIES
order number catalog number D1 D2 D21 L1 L2 L9 V kg
stop
screw
wrench sizestop
screw
2386889 HSK40ATT03060M 3 9 14 60 40 14 10 0,22 TTSS05014M 2.5 MM
2386890 HSK40ATT04060M 4 9 14 60 40 15 10 0,22 TTSS05014M 2.5 MM
2386891 HSK40ATT05060M 5 9 14 60 40 15 10 0,22 TTSS06014M 3 MM
2260692 HSK40ATT06080M 6 20 27 80 60 26 10 0,41 TTSS05014M 2.5 MM
2260743 HSK40ATT08080M 8 20 27 80 60 26 10 0,40 TTSS06014M 3 MM
2260744 HSK40ATT10080M 10 24 32 80 60 31 10 0,46 TTSS08014M 4 MM
2260745 HSK40ATT12090M 12 24 32 90 70 36 10 0,50 TTSS10014M 5 MM
2260746 HSK40ATT14090M 14 27 34 90 70 36 10 0,56 TTSS10014M 5 MM
2260747 HSK40ATT16090M 16 27 34 90 70 39 10 0,53 TTSS12014M 6 MM
2386952 HSK40ATT18095M 18 33 41 95 60 39 10 0,71 TTSS12014M 6 MM
2386953 HSK40ATT20095M 20 33 41 95 60 41 10 0,67 TTSS16014M 8 MM
Cutting Tool Shank Requirements
metric (ISO standard)
cutting tool
shank diameter
tolerance
3 h4 0,000/-0,003
4 h4 0,000/-0,004
5 h5 0,000/-0,005
6 h6 0,000/ -0,008
8 & 10 h6 0,000/ -0,009
12, 14, 16 & 18 h6 0,000/ -0,011
20 h6 0,000/ -0,013
TT-HSK form A — Inch
order number catalog number D1 D2 D21 L1 L2 L9 V lbs.
stop
screw
wrench sizestop
screw
2226845 HSK40ATT025315 1/4 .79 1.06 3.15 2.36 1.02 .39 .90 TTSS05014M 2.5 MM
2226846 HSK40ATT031315 5/16 .79 1.06 3.15 2.36 1.02 .39 .89 TTSS06014M 3 MM
2226847 HSK40ATT038315 3/8 .95 1.26 3.15 2.36 1.22 .39 1.02 TTSS08014M 4 MM
2226849 HSK40ATT050354 1/2 .95 1.26 3.54 2.76 1.42 .39 1.10 TTSS10014M 5 MM
2226850 HSK40ATT056354 9/16 1.06 1.33 3.54 2.76 1.42 .39 1.22 TTSS10014M 5 MM
2226851 HSK40ATT062354 5/8 1.06 1.33 3.54 2.76 1.54 .39 1.18 TTSS12014M 6 MM
2386954 HSK40ATT075374 3/4 1.30 1.61 3.74 2.35 1.61 .39 1.50 TTSS16014M 8 MM
Cutting Tool Shank Requirements
inch (industry standard)
cutting tool
shank diameters
tolerance
1/4, 5/16, & 3/8 -.0001/-.0004
7/16, 1/2, 9/16, 5/8, & 11/16 .0000/-.0004
3/4 .0000/-.0005
IMPORTANT: Do not overheat. Overheating will destroy the accuracy and functionality of the toolholder.
Shrink Fit technical section, see page 809.
Supplied with stop screw.
Adjusting stop screw gage, see page 742-743.
Shrink Fit machine and accessories, see page 741-742.
HSK coolant unit and wrench are available and must be ordered separately; see page 763.
360
To place an order, contact Kennametal or your authorized Kennametal distributor, or visit www.kennametal.com.