Taper Dimensional Checking

Without a dimensionally correct tool holder taper, it is not possible to ensure a proper spindle/tool holder connection. Using tool holder dimensional gauges, the taper and other key features can be checked for wear, or new holders can be checked as a part of incoming inspection. In addition, gauges are a necessity when manufacturing tool holders. Units are available for CAT/DIN/BT tapers in basic contact gauges, dial indicator gauges, as well as air gauges. For HSK, we offer dial indicator, electronic, and air gauges.

Dial Indicator Tool Taper Gauges
Dial Indicator Tool Taper Gauges

Both measuring gauges are set to zero with the calibrated taper plug gauge. When an HSK tool holder is inserted in the ring gauges, deviations in diameters d2 or d3 are shown on the indicator.

Details PDF (410.210)

HSK A/C/E HSK B/D/F d2 d3 Part Number
HSK-A 25   HSK 32  19  18.15          410.210.125.000
HSK-A 32   HSK 40  24  23.27          410.210.132.000
HSK-A 40   HSK 50  30  29.05          410.210.140.000
HSK-A 50   HSK 63  38  36.90          410.210.150.000
HSK-A 63   HSK 80  48  46.53          410.210.163.000
HSK-A 80   HSK 100  60  58.10          410.210.180.000
HSK-A 100   HSK 125  75  72.60          410.210.190.000
HSK-A 125   HSK 160  95  91.95          410.210.192.000
HSK-A 160   -  120  116.00          410.210.196.000

Electronic Tool Taper Gauges
Electronic Tool Taper Gauges

The four transducers mounted in the measuring ring are used for differential measurement of gauge dimensions d2 and d3. Deviations from the calibrated taper plug gauge are shown on the two indicator columns.

Details PDF (410.220)

HSK A/C/E HSK B/D/F d2 d3 l2 l3 Part Number
Indicator Column                 410.220.000.000
HSK-A 25   HSK 32    19.000     18.1500   2.5  8.5  410.220.125.000
HSK-A 32   HSK 40    24.007     23.2755   3.2  7.3  410.220.132.000
HSK-A 40   HSK 50    30.007    29.0551   4.0  4.5  410.220.140.000
HSK-A 50   HSK 63    38.009     36.9068  5.0  11.0  410.220.150.000
HSK-A 63   HSK 80    48.010     46.5370   6.3  14.7  410.220.163.000
HSK-A 80   HSK 100    60.012     58.1082   8.0  19.0  410.220.180.000
HSK-A 100   HSK 125    75.013    72.6082   10.0  24.0  410.220.190.000

HSK Tool Holder Taper 30 Degree Clamping Angle Gauges
HSK Tool Holder Taper 30 Degree Clamping Angle Gauges

Using the calibrated master, the distance of the 30 degree clamping slope relative to l 2 is preset using the dial indicator holder. The tool taper to be measured is placed in the centering piece, allowing the variation of the taper to be measured.

Details PDF (410.230)

HSK A/C/E HSK B/D/F l 6 / JS 10 d 6 Part Number
HSK-A 25   HSK 32  7.21  15          410.230.125.000
HSK-A 32   HSK 40  8.92  19          410.230.132.000
HSK-A 40   HSK 50  11.42  23          410.230.140.000
HSK-A 50   HSK 63  14.13  29          410.230.150.000
HSK-A 63   HSK 80  18.13  37          410.230.163.000
HSK-A 80   HSK 100  22.85  46          410.230.180.000
HSK-A 100   HSK 125  28.56  58          410.230.190.000
HSK-A 125   HSK 160  36.27  73          410.230.192.000
HSK-A 160   -  45.98  92          410.230.196.000

Tool Holder Taper Check Gauges
Tool Holder Taper Check Gauges

Available for 30, 35, 40, 45, 50 taper tool holders

Details PDF (430.120)

Taper Part Number
Steep Taper 30                 430.120.930.000
Steep Taper 35                 430.120.935.000
Steep Taper 40                 430.120.940.000
Steep Taper 45                 430.120.945.000
Steep Taper 50                 430.120.950.000

Tool Holder Drive Key Tool Taper Gauges
Tool Holder Drive Key Tool Taper Gauges

Available for HSK 32, 40, 50, 63, 80, 100, 125, 160

Details PDF (410.240)

Taper Part Number
HSK-A/C 32                 410.240.132.000
HSK-A/C 40                 410.240.140.000
HSK-A/C 50                 410.240.150.000
HSK-A/C 63                 410.240.163.000
HSK-A/C 80                 410.240.180.000
HSK-A/C 100                 410.240.190.000
HSK-A/C 125                 410.240.192.000
HSK-A/C 160                 410.240.196.000

Series 978 HSK 30 Degree Clamping Angle Gauges
Series 978 HSK 30 Degree Clamping Angle Gauges

To ensure sustained accuracy at HSK interfaces, we recommend comparison measuring of the geometry of HSK tool shanks and spindles at regular intervals. These checks should become more frequent with an increased change rate at the interface.

Details PDF (410.231)

Taper l1 d1 Part Number
HSK-A/C/E 25   7.21  15            410.231.125.000
HSK-A/C/E 32   8.92  19            410.231.132.000
HSK-A/C/E 40   11.42  23            410.231.140.000
HSK 50   14.13  29            410.231.150.000
HSK-A/C/E 63   18.13  37            410.231.163.000
HSK-A/C/E 80   22.85  46            410.231.180.000
HSK-A/C/E 100   28.56  58            410.231.190.000

Series 968 HSK Tool Holder Taper Gauges
Series 968 HSK Tool Holder Taper Gauges

Series 968 gauges offer comprehensive dimensional verification of HSK tool holders.

Details PDF (410.211)

Taper Diameter Part Number
HSK-A/C/E 25     19            410.211.125.000
HSK-A/C/E 32     24            410.211.132.000
HSK-A/C/E 40     30            410.211.140.000
HSK-A/C/E 50     38            410.211.150.000
HSK-A/C/E 63     48            410.211.163.000
HSK-A/C/E 80     60            410.211.180.000
HSK-A/C/E 100     75            410.211.190.000

Pneumatic Steep Taper Tool Holder Taper Gauge Kits
Pneumatic Steep Taper Tool Holder Taper Gauge Kits

Gauging kit for Steep Taper, CAT/ANSI, ISO, BT tool holder tapers with pneumatic column. The Multifunctional Measuring and Control Device is designed for high precision and multifunctional capabilities. In addition to providing various ways for measuring input, it can be customized to meet customer requirements.

Details PDF (415.320)

Pneumatic HSK Tool Holder Taper Gauge Kits
Pneumatic HSK Tool Holder Taper Gauge Kits

Gauging kit for HSK tool holder taper with pneumatic measuring column. The Multifunctional Measuring and Control Device is designed for high precision and multifunctional capabilities. In addition to providing various ways for measuring input, it can be customized to meet customer requirements.

Details PDF (415.310)

Tool Holder Taper Sleeve Gauges
Tool Holder Taper Sleeve Gauges

Available for Steep Taper CAT/ANSI/DIN/BT/ISO 10, 15, 20, 25, 30, 35 40, 45, 50, 55, 60, 65

Details PDF (430.110)

Taper Part Number
Steep Taper 30                 430.110.830.000
Steep Taper 40                 430.110.840.000
Steep Taper 45                 430.110.845.000
Steep Taper 50                 430.110.850.000
Steep Taper 55                 430.110.855.000
Steep Taper 60                 430.110.860.000
Steep Taper 65                 430.110.865.000
Steep Taper (ISO) 10                 430.110.A10.000
Steep Taper (ISO) 15                 430.110.A15.000
Steep Taper (ISO) 20                 430.110.A20.000
Steep Taper (ISO) 25                 430.110.A25.000

Tool Holder Taper Shank Test Fixtures
Tool Holder Taper Shank Test Fixtures

When toolholders are distorted, the large end is free to move from side to side in the spindle while cutting. The affects of this movement are: toolholder run-out, vibration, and breakage of tool razor edges.

Details PDF (430.130)

Taper Part Number
Steep Taper 40                 430.130.940.000
Steep Taper 50                 430.130.950.000

Tool Holder Taper Complete Measuring Units
Tool Holder Taper Complete Measuring Units

Calibrated with a gauge master, the taper gauge checks large taper diameter, small taper diameter, straightness of the taper, relationship of the flange to the taper, and taper length.

Details PDF (430.140)


High Precision Steep Taper Gauge Masters
High Precision Steep Taper Gauge Masters

The High Precision Gauge Masters are made of a proprietary stabilized gauge material and are coated to resist corrosion. Actual dimensions are laser marked on the master. Included is a certificate with actual dimensions and a wooden storage case.

Details PDF (430.145)

Taper Part Number
Steep Taper (BT) 30                 430.145.730.000
Steep Taper (BT) 40                 430.145.740.000
Steep Taper (BT) 50                 430.145.750.000
Steep Taper (DIN) 30                 430.145.830.000
Steep Taper (DIN) 40                 430.145.840.000
Steep Taper (DIN) 50                 430.145.850.000

High Precision HSK Gauge Masters
High Precision HSK Gauge Masters

To check the extremely small tolerances required by the DIN and ISO standards for HSK tool holders.

Details PDF (410.145)

HSK-A/C/E Taper HSK-B/D/F Taper Part Number
HSK-A/C/E 25     HSK-B/D/F 32            410.145.125.000
HSK-A/C/E 32     HSK-B/D/F 40            410.145.132.000
HSK-A/C/E 40     HSK-B/D/F 50            410.145.140.000
HSK-A/C/E 50     HSK-B/D/F 63            410.145.150.000
HSK-A/C/E 63     HSK-B/D/F 80            410.145.163.000
HSK-A/C/E 80     HSK-B/D/F 100            410.145.180.000
HSK-A/C/E 100     HSK-B/D/F 125            410.145.190.000

Morse Tool Holder Taper Sleeve Gauges
Morse Tool Holder Taper Sleeve Gauges

TAC Rockford Morse tool holder taper gauges are for inspection of Morse tool holder tapers. Gauges made from a hardened gauge steel, and include a padded carrying case and certificate. Manufactured per DIN 229.

Details PDF (430.M10)

Description Morse Taper Part Number
Morse Taper (DIN 230) 0     MT            430.110.M00.000
Morse Taper (DIN 230) 1     MT1            430.110.M01.000
Morse Taper (DIN 230) 2     MT2            430.110.M02.000
Morse Taper (DIN 230) 3     MT3            430.110.M03.000
Morse Taper (DIN 230) 4     MT4            430.110.M04.000
Morse Taper (DIN 230) 5     MT5            430.110.M05.000
Morse Taper (DIN 230) 6     MT6            430.110.M06.000

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