Tooling Systems

KM SYSTEM
HSK 63A Shank Tools
Shrink Fit Toolholders (continued)
CV SYSTEM
DV SYSTEM
BT SYSTEM
HSK SYSTEM
QC / R8 SYSTEMS
STRAIGHT SHANK
COLLETS / SLEEVES
INDEX TECHNICAL ACCESSORIES
TT-HSK form A — Inch (Continued from previous page.)
order number catalog number D1 D2 D21 D22 L1 L2 L9 L21 V lbs. stop screw
wrench sizestop
screw
1765136 HSK63ATT025315 1/4 .83 1.06 — 3.15 2.13 1.02 — .39 1.83 TTSS05014M 2.5 MM
1993877 HSK63ATT025472 1/4 .83 1.06 — 4.72 3.35 1.02 — .39 2.44 TTSS05014M 2.5 MM
1993878 HSK63ATT025630 1/4 .83 1.06 1.25 6.30 2.20 1.02 4.92 .39 2.92 TTSS05014M 2.5 MM
1765137 HSK63ATT031315 5/16 .83 1.06 — 3.15 2.13 1.02 — .39 1.82 TTSS06014M 3 MM
1993879 HSK63ATT031472 5/16 .83 1.06 — 4.72 3.35 1.02 — .39 2.40 TTSS06014M 3 MM
1993880 HSK63ATT031630 5/16 .83 1.06 1.25 6.30 2.20 1.02 4.92 .39 2.91 TTSS06014M 3 MM
1765138 HSK63ATT038335 3/8 .94 1.26 — 3.35 2.35 1.14 — .39 2.00 TTSS08014M 4 MM
1993881 HSK63ATT038472 3/8 .94 1.26 — 4.72 1.99 1.22 3.30 .39 2.66 TTSS08014M 4 MM
1993882 HSK63ATT038630 3/8 .95 1.26 1.43 6.30 2.48 1.22 4.92 .39 3.30 TTSS08014M 4 MM
1765139 HSK63ATT044354 7/16 .94 1.26 — 3.54 2.52 1.42 — .39 2.03 TTSS10014M 5 MM
1994133 HSK63ATT044472 7/16 .94 1.26 — 4.72 3.34 1.42 — .39 2.63 TTSS10014M 5 MM
1765140 HSK63ATT050354 1/2 .94 1.26 — 3.54 2.52 1.42 — .39 2.01 TTSS10014M 5 MM
1994135 HSK63ATT050472 1/2 .94 1.26 — 4.72 3.34 1.42 — .39 2.61 TTSS10014M 5 MM
1994136 HSK63ATT050630 1/2 .95 1.26 1.43 6.30 2.48 1.42 4.92 .39 3.25 TTSS10014M 5 MM
1765152 HSK63ATT056354 9/16 1.06 1.34 — 3.54 2.52 1.42 — .39 2.13 TTSS10014M 5 MM
1765153 HSK63ATT062374 5/8 1.06 1.34 — 3.74 2.72 1.54 — .39 2.15 TTSS12014M 6 MM
1994139 HSK63ATT062472 5/8 1.06 1.34 — 4.72 3.34 1.57 — .39 2.72 TTSS12014M 6 MM
1994140 HSK63ATT062630 5/8 1.06 1.34 1.53 6.30 2.20 1.54 4.92 .39 3.46 TTSS12014M 6 MM
1765155 HSK63ATT075394 3/4 1.30 1.65 — 3.94 2.92 1.61 — .39 2.60 TTSS16014M 8 MM
1994142 HSK63ATT075630 3/4 1.30 1.65 1.80 6.30 2.76 1.61 4.92 .39 4.21 TTSS16014M 8 MM
1765156 HSK63ATT088394 7/8 1.30 1.65 — 3.94 2.92 1.61 — .39 2.51 TTSS16014M 8 MM
1994143 HSK63ATT088630 7/8 1.30 1.65 1.80 6.30 2.76 1.61 4.92 .39 4.12 TTSS16014M 8 MM
1765158 HSK63ATT100453 1 1.73 2.08 — 4.53 3.50 1.85 — .39 3.88 TTSS16014M 8 MM
1994144 HSK63ATT100630 1 1.73 2.08 — 6.30 5.28 1.85 — .39 5.53 TTSS16014M 8 MM
1765159 HSK63ATT125472 1 1/4 1.73 2.08 — 4.72 3.70 2.01 — .39 3.73 TTSS16014M 8 MM
1994145 HSK63ATT125630 1 1/4 1.73 2.08 — 6.30 5.28 2.01 — .39 5.20 TTSS16014M 8 MM
Cutting Tool Shank Requirements (in)
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, 7/8, 1 & 1 1/4 .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.
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To place an order, contact Kennametal or your authorized Kennametal distributor, or visit www.kennametal.com.