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CAT Taper Retention Knobs with Coolant Hole
Grip Angle | Projection | Head Dia. | Coolant Hole Diameter | Pilot Dia. | Collar Dia. | Head-to-Flange Lg. | Flange Thk. | Torque Range, ft·lbf | O-Rings Included | Features | Mfr. | Mfr. Model No. | Mfr. Equiv. Model No. | Specs. Met | JIS Specification | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CAT 50 Machine Taper | |||||||||||||||||||
1"-8 | |||||||||||||||||||
| 15° | 1.344" | 1.1" | 0.39" | — | 0.82" | 1" | 0.275" | 75 to 90 | — | — | T.J. Davies | PSC-271X15 | 21100-C, C50-1500H | ISO 7388-3 | JIS B 6339 | 9499N15 | 000000 | ||
| 15° | 1.344" | 1.102" | 0.39" | — | 0.82" | 0.984" | 0.197" | 75 to 90 | — | — | T.J. Davies | PSC-270X15 | 711-45, 5030TRKC, 21008-15C, 71145, HP-711-45, RS6E-0114-C | ISO 7388-3 | JIS B 6339 | 9499N14 | 00000 | ||
| 30° | 1.772" | 0.904" | 0.232" | 1.023" | 0.825" | 1.376" | 0.394" | 75 to 90 | Flange O-Ring | Ground Face | T.J. Davies | PSCG-535X60 | C50-OKUMA-OH | ISO 7388-3 | JIS B 6339 | 9499N42 | 00000 | ||
| 30° | 1.772" | 0.904" | 0.232" | 1.023" | 0.825" | 1.384" | 0.394" | 75 to 90 | Flange O-Ring | — | T.J. Davies | PSC-535X60 | 327-49, 21133-C, 32749, C50 MAKINO, RS6E-0242-H | ISO 7388-3 | JIS B 6339 | 9499N41 | 00000 | ||
| 30° | 1.772" | 0.906" | 0.236" | 1.024" | 1.024" | 1.378" | 0.39" | 85 to 110 | Flange O-Ring | Ground Face | Lyndex Nikken | PS-B61 | — | — | JIS B 6339 | 4403N39 | 00000 | ||
| 30° | 1.78" | 0.906" | 0.236" | — | 0.827" | 1.386" | 0.394" | 85 to 110 | — | Ground Face | Lyndex Nikken | C50-6000(H)-EU | — | ASME B5.50 | — | 9499N13 | 00000 | ||
| 45° | 1" | 1.14" | 0.39" | — | 0.825" | 0.7" | 0.2" | 75 to 90 | — | — | T.J. Davies | PSC-273 | 21142-C, HPS-C50-MAZAK-C | ASME B5.50, ISO 7388-3 | JIS B 6339 | 9499N16 | 00000 | ||
| 45° | 1" | 1.14" | 0.39" | 1.03" | 0.825" | 0.7" | 0.2" | 75 to 90 | Head O-Ring in Coolant Hole | — | T.J. Davies | PSC-274 | 312-46, 31246, HPS-C50-MAZAK-COF, HPS-G43, M50TRK, PYN50C, RS6E-0204-C | ASME B5.50, ISO 7388-3 | JIS B 6339 | 9499N17 | 00000 | ||
| 45° | 1" | 1.14" | 0.433" | — | 0.82" | 0.7" | 0.2" | 75 to 90 | Head O-Ring in Coolant Hole | — | T.J. Davies | PSCO-275 | 50TRKC-OR, 719-46, 71946 | ASME B5.50, ISO 7388-3 | JIS B 6339 | 9499N19 | 00000 | ||
| 45° | 1" | 1.14" | 0.453" | — | 0.82" | 0.7" | 0.2" | 75 to 90 | — | — | T.J. Davies | PSC-275 | 50TRK, 111-44, 11144, 21005-C, C50-STDH, HPS-C50-ANSI-C, HPS-D92, RC6E-0001 | ASME B5.50, ISO 7388-3 | JIS B 6339 | 9499N18 | 00000 | ||
| 45° | 1.778" | 0.904" | 0.264" | 0.985" | 0.825" | 1.384" | 0.394" | 75 to 90 | Flange O-Ring | — | T.J. Davies | PSC-535X45 | 21132-C, MAKO50TRK-MF, RS6E-0232-H | ISO 7388-3 | JIS B 6339 | 9499N37 | 00000 | ||
| 45° | 1.778" | 0.904" | 0.264" | 0.985" | 0.825" | 1.384" | 0.394" | 75 to 90 | Flange O-Ring | Ground Face | T.J. Davies | PSCG-535X45 | — | ISO 7388-3 | JIS B 6339 | 9499N38 | 00000 | ||
| 45° | 1.778" | 0.904" | 0.264" | 1.03" | 0.825" | 1.384" | 0.394" | 75 to 90 | Flange O-Ring, Head O-Ring in Coolant Hole | — | T.J. Davies | PSCO-535X45 | — | ISO 7388-3 | JIS B 6339 | 9499N39 | 00000 | ||
| 45° | 1.778" | 0.904" | 0.309" | 1.03" | 0.825" | 1.384" | 0.394" | 75 to 90 | — | — | T.J. Davies | PSC-536X45 | 316-45, 5005TRKC, 21109-C, 31645, C50-4500 H, HPS-54C, HPS-C50-MAS-45 C, P50T-1CH, RB6E-0001-C | ISO 7388-3 | JIS B 6339 | 9499N44 | 00000 | ||
| 45° | 1.78" | 0.904" | 0.232" | 1.03" | 0.82" | 1.384" | 0.394" | 75 to 90 | Head O-Ring in Coolant Hole | — | T.J. Davies | PSCO-536X45 | 329-45, 32945 | ISO 7388-3 | JIS B 6339 | 9499N45 | 00000 | ||
| 45° | 1.78" | 0.906" | 0.236" | — | 0.827" | 1.386" | 0.39" | 85 to 110 | — | Ground Face | Lyndex Nikken | C50-4500(H)-EU | — | ASME B5.50 | — | 4403N29 | 00000 | ||
| 90° | 1.778" | 0.904" | 0.309" | 1.03" | 0.825" | 1.384" | 0.394" | 75 to 90 | — | — | T.J. Davies | PSC-536X90 | 342-18B, 5001TRKC, 21111-C, C50-9000 H, HPS-C50-MAS-90 C, HPS-O19C, RB6E-0003-C | ISO 7388-3 | JIS B 6339 | 9499N46 | 00000 | ||
| 90° | 1.778" | 0.904" | 0.312" | — | 0.83" | 1.384" | 0.394" | 75 to 90 | Flange O-Ring, Head O-Ring in Coolant Hole | — | T.J. Davies | PSC-540X90 | C50-9000 MORI EU | ISO 7388-3 | JIS B 6339 | 9499N47 | 00000 | ||
| 90° | 1.778" | 0.904" | 0.315" | 1.03" | 0.825" | 1.384" | 0.394" | 75 to 90 | Flange O-Ring, Head O-Ring in Coolant Hole | — | T.J. Davies | PSCO-535X90 | 342-75, 34275, C50-9000-MORI-EU, POM50CH1 | ISO 7388-3 | JIS B 6339 | 9499N43 | 00000 | ||
CAT Taper Collet Chucks
CAT 50 Machine Taper
Milling Machine Collet Chucks | Wrenches | Spanner Wrenches | Open-End Wrenches | Replacement Nuts | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Collet Type | For Bit Shank Size | Projection | Total Indicated Runout (TIR) Accuracy | Collet Nut Type | Coolant Delivery Type | Features | Specs. Met | Each | Each | Each | Each | Each | |||||||
2.5 mm/s @ 25,000 rpm | |||||||||||||||||||
Hardened Nickel Chrome-Moly Steel | |||||||||||||||||||
| ER-16 | 0.019" to 0.406" | 4.12" | 0.0001" | Bearing Slotted Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9493N15 | 0000000 | 3215A341 | 000000 | ——— | 0 | ——— | 0 | 6163N112 | 000000 | ||
| ER-16 | 0.019" to 0.406" | 6" | 0.0001" | Bearing Slotted Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9493N16 | 000000 | 3215A341 | 00000 | ——— | 0 | ——— | 0 | 6163N112 | 00000 | ||
| ER-20 | 0.039" to 0.551" | 4" | 0.0001" | Bearing Slotted Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9493N17 | 000000 | 1721N14 | 00000 | ——— | 0 | ——— | 0 | 6163N113 | 00000 | ||
| ER-32 | 0.078" to 0.787" | 4" | 0.0001" | Bearing Slotted Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9493N18 | 000000 | 3321A32 | 00000 | ——— | 0 | ——— | 0 | 6163N115 | 00000 | ||
| ER-40 | 0.118" to 1.024" | 4" | 0.0001" | Bearing Slotted Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9493N19 | 000000 | 32605A95 | 00000 | ——— | 0 | ——— | 0 | 9615N45 | 00000 | ||
Hardened Chrome-Moly Steel | |||||||||||||||||||
| ER-50 | 0.197" to 1.339" | 4" | 0.0001" | Coated Slotted Nut | Through Bore | RFID Chip Hole | ASME B5.50 | 9493N63 | 000000 | ——— | 0 | 6975A22 | 000000 | ——— | 0 | 9615N38 | 000000 | ||
| ER-50 | 0.197" to 1.339" | 6" | 0.0001" | Coated Slotted Nut | Through Bore | RFID Chip Hole | ASME B5.50 | 9493N64 | 000000 | ——— | 0 | 6975A22 | 00000 | ——— | 0 | 9615N38 | 000000 | ||
6.3 mm/s @ 15,000 rpm | |||||||||||||||||||
Hardened Nickel Chrome-Moly Steel | |||||||||||||||||||
| ER-16 | 0.019" to 0.406" | 4" | 0.0001" | Hex Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N41 | 000000 | 3215A441 | 00000 | ——— | 0 | ——— | 0 | 9502N18 | 00000 | ||
| ER-16 | 0.019" to 0.406" | 6" | 0.0001" | Hex Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N42 | 000000 | 3215A441 | 00000 | ——— | 0 | ——— | 0 | 9502N18 | 00000 | ||
| ER-20 | 0.039" to 0.551" | 4" | 0.0001" | Hex Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N43 | 000000 | 1721N15 | 00000 | ——— | 0 | ——— | 0 | 9502N19 | 00000 | ||
| ER-20 | 0.039" to 0.551" | 6" | 0.0001" | Hex Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N44 | 000000 | 1721N15 | 00000 | ——— | 0 | ——— | 0 | 9502N19 | 00000 | ||
| ER-25 | 0.039" to 0.629" | 4" | 0.0001" | Slotted Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N45 | 000000 | 5699N128 | 00000 | ——— | 0 | ——— | 0 | 9502N21 | 00000 | ||
| ER-25 | 0.039" to 0.629" | 6" | 0.0001" | Slotted Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N46 | 000000 | 5699N128 | 00000 | ——— | 0 | ——— | 0 | 9502N21 | 00000 | ||
| ER-32 | 0.078" to 0.787" | 1.134" | 0.0001" | Externally Threaded Hex Nut | Flange Entry, Through Bore | — | ASME B5.50 | 9493N47 | 000000 | ——— | 0 | ——— | 0 | 5488A31 | 000000 | 9502N24 | 00000 | ||
| ER-32 | 0.078" to 0.787" | 4" | 0.0001" | Slotted Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N48 | 000000 | 3321A32 | 00000 | ——— | 0 | ——— | 0 | 9502N22 | 00000 | ||
| ER-32 | 0.078" to 0.787" | 6" | 0.0001" | Slotted Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N49 | 000000 | 3321A32 | 00000 | ——— | 0 | ——— | 0 | 9502N22 | 00000 | ||
| ER-40 | 0.118" to 1.024" | 4" | 0.0001" | Slotted Nut | Flange Entry, Through Bore | Collet Stop Screw | ASME B5.50 | 9493N51 | 000000 | 32605A95 | 00000 | ——— | 0 | ——— | 0 | 9502N23 | 00000 | ||
6.3 mm/s @ 25,000 rpm | |||||||||||||||||||
Hardened Nickel Chrome-Moly Steel | |||||||||||||||||||
| TG-100 | 0.0469" to 1" | 3.5" | 0.0006" | Slotted Nut | Flange Entry, Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9493N59 | 000000 | 32605A95 | 00000 | ——— | 0 | ——— | 0 | 9531N12 | 00000 | ||
| TG-100 | 0.0469" to 1" | 5.5" | 0.0006" | Slotted Nut | Flange Entry, Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9493N61 | 000000 | 32605A95 | 00000 | ——— | 0 | ——— | 0 | 9531N12 | 00000 | ||
Drill Chucks with CAT Taper Integral Arbor
Machine Taper No. | For Bit Shank Size | Balance Quality Grade | Total Indicated Runout (TIR) Accuracy | Jaw Material | Body Material | Projection | Max. Body Dia. | For Tool Drive Direction | Features | Includes | Certificate Type | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Keyless Chuck | ||||||||||||||||
| CAT 50 | 0" to 5/16" 0 mm to 8 mm | 6.3 mm/s @ 7,000 rpm | 0.0016" | Hardened Steel | Hardened Steel | 3 3/8" | 1.52" | Clockwise | Wrench Flats, RFID Chip Hole | — | — | ASME B5.50 | 9784N15 | 0000000 | ||
| CAT 50 | 3/32" to 1/2" 2.5 mm to 13 mm | 6.3 mm/s @ 5,000 rpm | 0.0016" | Hardened Steel | Hardened Steel | 3 3/4" | 1.93" | Clockwise | Wrench Flats, RFID Chip Hole | — | — | ASME B5.50 | 9784N16 | 000000 | ||
Keyed Chuck | ||||||||||||||||
| CAT 50 | 1/32" to 5/8" 1 mm to 16 mm | 2.5 mm/s @ 25,000 rpm | 0.0008" | Hardened Steel | Hardened Steel | 3 1/4" | 1.97" | Clockwise, Counterclockwise | Through-Bore Coolant, RFID Chip Hole | Key | Accuracy Certificate | ASME B5.50 | 9784N12 | 000000 | ||
CAT Taper Compensating Tap Collet Holders
For Tap | Lg. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Quick-Change Tap Collet Size | Size | Pipe Size | Extended | Compressed | Projection | Body Dia. | Total Indicated Runout (TIR) Accuracy | Material | Specs. Met | For Drive Type | Each | |||
CAT 50 Taper | ||||||||||||||
| ANSI 1 | No. 0 to 9/16" M1.6 to M14 | 1/8 | 2.91" | 2.56" | 2 3/4" | 1 1/2" | 0.0001" | Hardened Steel | ASME B5.50 | Tang | 8966N14 | 0000000 | ||
| ANSI 2 | 5/16" to 7/8" M7 to M22 | 1/4 to 1/2 | 3.98" | 3.39" | 3 3/4" | 2 1/8" | 0.0001" | Hardened Steel | ASME B5.50 | Tang | 8966N15 | 000000 | ||
| ANSI 3 | 1/2" to 1 3/8" M12 to M33 | 3/8 to 1 | 6.3" | 5.36" | 5 7/8" | 3 1/8" | 0.0001" | Hardened Steel | ASME B5.50 | Tang | 8966N16 | 000000 | ||
CAT Taper Rigid Tap Collet Holders
For Tap | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Quick-Change Tap Collet Size | Size | Pipe Size | Projection | Body Dia. | Total Indicated Runout (TIR) Accuracy | Material | Specs. Met | For Drive Type | Each | |||
CAT 50 Taper | ||||||||||||
| ANSI 1 | No. 0 to 9/16" M1.6 to M14 | 1/8 | 2 7/8" | 1 1/4" | 0.0001" | Hardened Steel | ASME B5.50 | Tang | 8968N14 | 0000000 | ||
| ANSI 2 | 5/16" to 7/8" M7 to M22 | 1/4 to 1/2 | 3 3/4" | 2" | 0.0001" | Hardened Steel | ASME B5.50 | Tang | 8968N15 | 000000 | ||
| ANSI 3 | 1/2" to 1 3/8" M12 to M33 | 3/8 to 1 | 4 3/4" | 2 7/8" | 0.0001" | Hardened Steel | ASME B5.50 | Tang | 8968N16 | 000000 | ||
Dual-Contact CAT Taper Collet Chucks
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Milling Machine Collet Chucks | Wrenches | Replacement Nuts | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Collet Type | For Bit Shank Size | Projection | Total Indicated Runout (TIR) Accuracy | Material | Collet Nut Type | Coolant Delivery Type | Features | Specs. Met | Each | Each | Each | |||||
CAT 50 Machine Taper | ||||||||||||||||
2.5 mm/s @ 25,000 rpm | ||||||||||||||||
| ER-16 | 0.019" to 0.406" | 4.12" | 0.0001" | Hardened Nickel Chrome-Moly Steel | Bearing External Round Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9509N15 | 0000000 | 9506N31 | 0000000 | 9615N41 | 000000 | ||
| ER-25 | 0.039" to 0.629" | 4" | 0.0001" | Hardened Nickel Chrome-Moly Steel | Bearing External Round Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9509N16 | 000000 | 9506N33 | 000000 | 9615N43 | 00000 | ||
| ER-32 | 0.078" to 0.787" | 4" | 0.0001" | Hardened Nickel Chrome-Moly Steel | Bearing External Round Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9509N17 | 000000 | 9506N34 | 000000 | 9615N44 | 00000 | ||
| ER-40 | 0.118" to 1.024" | 6" | 0.0001" | Hardened Nickel Chrome-Moly Steel | Bearing External Round Nut | Through Bore | Collet Stop Screw, RFID Chip Hole | ASME B5.50 | 9509N18 | 000000 | 9506N35 | 000000 | 9615N46 | 00000 | ||
CAT Taper Retention Knobs
Grip Angle | Projection | Head Dia. | Pilot Dia. | Collar Dia. | Head-to-Flange Lg. | Flange Thk. | Torque Range, ft·lbf | Mfr. | Mfr. Model No. | Mfr. Equiv. Model No. | Specs. Met | JIS Specification | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CAT 50 Machine Taper | ||||||||||||||||
1"-8 | ||||||||||||||||
| 15° | 1.344" | 1.1" | — | 0.82" | 1" | 0.275" | 75 to 90 | T.J. Davies | PS-271X15 | 21100, C50-1500 | ISO 7388-3 | JIS B 6339 | 9496N12 | 000000 | ||
| 15° | 1.344" | 1.102" | — | 0.82" | 0.984" | 0.197" | 75 to 90 | T.J. Davies | PS-270X15 | 711-47, 5030TRK, 21008-15, 71147, RS6E-0114 | ISO 7388-3 | JIS B 6339 | 9496N11 | 00000 | ||
| 45° | 1" | 1.14" | — | 0.82" | 0.7" | 0.2" | 75 to 90 | T.J. Davies | PS-275 | 50NTRK, 111-46, 11146, 21005, C50-STD, HPS-C50-ANSI, RC6E-0002 | ISO 7388-3 | JIS B 6339 | 9496N13 | 00000 | ||
| 45° | 1.778" | 0.904" | 1.03" | 0.825" | 1.384" | 0.394" | 75 to 90 | T.J. Davies | PS-536X45 | 311-18, 5005TRK, 21109, 31118, C50-4500, HPS-C50-MAS-45, RB6E-0001 | ISO 7388-3 | JIS B 6339 | 9496N23 | 00000 | ||
| 90° | 1.778" | 0.904" | 1.03" | 0.825" | 1.384" | 0.394" | 75 to 90 | T.J. Davies | PS-536X90 | 311-18B, 5001TRK, 21111, 31118B, C50-9000, HPS-C50-MAS-90, HPS-O19, PS-09, RB6E-0003 | ISO 7388-3 | JIS B 6339 | 9496N24 | 00000 | ||









































