Tool Holder Blanks

Tool holder blanks have the taper "finished" (hardened, ground, etc.), but leave a large unfinished portion that can be machined to your requirements.

TAC Rockford stocks hundreds of sizes in virtually all common taper standards and sizes.

Need something you don't see on our site? No problem! We offer custom-made blanks to meet your needs. Also, we often have additional sizes in stock not listed on our website.

Need help with fixturing blanks for machining? We can help - give us a call.

HSK-A25 to 63 Tool Holder Blanks
HSK-A25 to 63 Tool Holder Blanks

TAC Rockford stocks HSK-A32, HSK-A40, HSK-A50, HSK-A63, HSK-A80, HSK-A100, and HSK-A125 in a variety of diameters and lengths. HSK-A160 blanks are available on request as well.

Details PDF (619.525)

Taper Gauge Length Diameter Part Number
HSK-A25   100  25            619.525.025.100
HSK-A32   120  40            619.532.040.120
HSK-A40   100  40            619.540.040.100
HSK-A50   100  50            619.550.050.100
HSK-A50   200  50            619.550.050.200
HSK-A50   160  63            619.550.063.160
HSK-A50   200  63            619.550.063.200
HSK-A50   175  80            619.550.080.175
HSK-A 63   100  63            619.563.063.100
HSK-A/T 63   140  63            619.563.063.140
HSK-A63   200  63            619.563.063.200
HSK-A63   160  80            619.563.080.160
HSK-A63   180  80            619.563.080.180
HSK-A63   250  80            619.563.080.250
HSK-A63   250  100            619.563.100.250
HSK-A/T 63   140  108            619.563.108.140

HSK-A80 to 125 Tool Holder Blanks
HSK-A80 to 125 Tool Holder Blanks

Details PDF (619.580)

Taper Gauge Length Diameter Part Number
HSK-A80   160  80            619.580.080.160
HSK-A80   250  80            619.580.080.250
HSK-A100   160  100            619.590.100.160
HSK-A100   250  100            619.590.100.250
HSK-A/T 100   160  120            619.590.120.160
HSK-A100   250  127            619.590.127.250
HSK-A125   160  125            619.592.125.160
HSK-A125   305  125            619.592.125.305

HSK-C25 to 50 Tool Holder Blanks
HSK-C25 to 50 Tool Holder Blanks

Details PDF (639.525)

Taper Gauge Length Diameter Part Number
HSK-C25   100  25            639.525.025.100
HSK-C32   100  32            639.532.032.100
HSK-C32   200  32            639.532.032.200
HSK-C32   150  50            639.532.050.150
HSK-C40   100  40            639.540.040.100
HSK-C40   200  40            639.540.040.200
HSK-C40   150  63            639.540.063.150
HSK-C50   100  50            639.550.050.100
HSK-C50   200  50            639.550.050.200
HSK-C50   100  63            639.550.063.100
HSK-C50   200  63            639.550.063.200
HSK-C50   175  80            639.550.080.175

HSK-C63 to 100 Tool Holder Blanks
HSK-C63 to 100 Tool Holder Blanks

Details PDF (639.563)

Taper Gauge Length Diameter Part Number
HSK-C63   100  63            639.563.063.100
HSK-C63   200  63            639.563.063.200
HSK-C63   160  80            639.563.080.160
HSK-C63   200  80            639.563.080.200
HSK-C63   175  100            639.563.100.175
HSK-C80   200  80            639.580.080.200
HSK-C100   100  100            639.590.100.100

HSK-E Tool Holder Blanks
HSK-E Tool Holder Blanks

TAC Rockford stocks HSK-E32, HSK-E40, HSK-E50, and HSK-E63 blanks in a variety of diameters and lengths. Other sizes are available - contact us with your requirements.

Details PDF (659.500)

Taper Gauge Length Diameter Part Number
HSK-E25   100  25            659.525.025.100
HSK-E25   100  45            659.525.045.100
HSK-E32   100  32            659.532.032.100
HSK-E40   100  40            659.540.040.100
HSK-E50   100  50            659.550.050.100
HSK-E63   100  63            659.563.063.100

HSK-F Tool Holder Blanks
HSK-F Tool Holder Blanks

TAC Rockford stocks HSK-F63 blanks. Other sizes are available on request.

Details PDF (669.500)

Taper Gauge Length Diameter Part Number
HSK-F63   100  63            669.563.063.100

Steep Taper (MAS 403 BT) Tool Holder Blanks
Steep Taper (MAS 403 BT) Tool Holder Blanks

30, 40, and 50 steep taper MAS 403 BT blanks are available from TAC Rockford.

Details PDF (679.500)

Taper L D Part Number
Steep Taper 30 (BT)   100  45            679.530.045.100
Steep Taper 40 (BT)   160  63            679.540.063.160
Steep Taper 40 (BT)   250  63            679.540.063.250
Steep Taper 50 (BT)   160  90            679.550.090.160
Steep Taper 50 (BT)   250  90            679.550.090.250

Steep Taper (DIN69871) Tool Holder Blanks
Steep Taper (DIN69871) Tool Holder Blanks

Details PDF (689.500)

Taper L D Part Number
Steep Taper 30 (DIN)   100  45            689.530.045.100
Steep Taper 40 (DIN)   160  63            689.540.063.160
Steep Taper 40 (DIN)   250  63            689.540.063.250
Steep Taper 45 (DIN)   160  80            689.545.080.160
Steep Taper 50 (DIN)   160  90            689.550.090.160
Steep Taper 50 (DIN   250  90            689.550.090.250

BT-DC Steep Taper Tool Holder Blanks
BT-DC Steep Taper Tool Holder Blanks

40 and 50 steep taper BT Double-Contact blanks are available from TAC Rockford.

Details PDF (6F9.500)

Taper L D Part Number
Steep Taper (BT-DC) 40   160  63            6F9.540.063.160
Steep Taper (BT-DC) 40   250  63            6F9.540.063.250
Steep Taper (BT-DC) 50   160  90            6F9.550.090.160
Steep Taper (BT-DC) 50   250  90            6F9.550.090.250

PSK (PSC) Tool Holder Blanks
PSK (PSC) Tool Holder Blanks

- Contact us for other PSK sizes, diameters, lengths, and other special requirements. - Taper on standard blanks is finish hardened; blank portion not hardened.

Details PDF (6C9.500)

Taper Gauge Length Diameter (D1) Part Number
PSK C4   95  40            6C9.504.040.095
PSK C4   120  40            6C9.504.040.120
PSK C4   165  60            6C9.504.060.165
PSK C4   75  80            6C9.504.080.075
PSK C4   120  80            6C9.504.080.120
PSK C4   85  100            6C9.504.100.085
PSK C5   150  50            6C9.505.050.150
PSK C5   175  75            6C9.505.075.175
PSK C5   150  91            6C9.505.091.150
PSK C5   90  110            6C9.505.110.090
PSK C6   180  63            6C9.506.063.180
PSK C6   195  75            6C9.506.075.195
PSK C6   85  110            6C9.506.110.085
PSK C6   180  120            6C9.506.120.180
PSK C6   95  130            6C9.506.130.095
PSK C8   200  80            6C9.508.080.200
PSK C8   160  120            6C9.508.120.160
PSK C8   90  130            6C9.508.130.090
PSK C8   200  145            6C9.508.145.200

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