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TECHNIKS RETENTION KNOBS

CAT Retention Knobs

Please make sure that the Retention Knob you order is the correct one for your machine. Using the wrong Retention Knob can cause damage to your machine spindle, the tool holder, and may cause a safety hazard.

MAS Style

Mas Style

Related Items: Retention Knob Sockets

Techniks Retention Knobs

  • All mating surfaces precision ground

  • Manufactured to the highest standards
    for maximum safety and long life

  • Look up Retention Knobs Sockets by CNC machine manufacturer

 

ANSI Style
Ansi Style
 

 

CAT Retention Knobs

Part No. Type ? d1 d2 d3 L l1 l2 T
21006-15 CAT 40-DIN 15° .75" 0.55" 0.640" 1.88" 1.024" .787" 5/8 - 11"
21007-15 CAT 40-DIN 15° .75" 0.55" - 1.89" 1.028" .792" 5/8 - 11"
21003 CAT 40-ANSI 45° 0.740" 0.490" 0.490" 1.50" 0.640" .440" 5/8 - 11"
21003-45 CAT 40-MAS-I 45° 0.590" 0.394" 0.512" 2.25" 1.266" .990" 5/8 - 11"
21003-60 CAT 40-MAS-II 60° 0.590" 0.394" 0.512" 2.25" 1.266" .990" 5/8 - 11"
21003-90 CAT 40-MAS-III 90° 0.590" 0.394" 0.512" 2.25" 1.266" .990" 5/8 - 11"
21005-45 CAT 50-MAS-I 45° 0.906" 0.669" 0.827" 3.346" 1.772" 1.378" 1 - 8"
21005-60 CAT 50-MAS-II 60° 0.906" 0.669" 0.827" 3.346" 1.772" 1.378" 1 - 8"
21005-90 CAT 50-MAS-III 90° 0.906" 0.669" 0.827" 3.346" 1.772" 1.378" 1 - 8"
21008-15 CAT 50-DIN 15° 1.101" 0.825" - 2.640" 1.338" .984 " 1 - 8"
21005 CAT 50-ANSI 45° 1.140" 0.820" 0.820" 2.30" 1.00" .700" 1 - 8"

CAT Coolant Thru Retention Knobs

Part No. Type ? d1 d2 d3 L l1 l2 T
21006-15C CAT 40-DIN Coolant 15° .75" 0.55" 0.640" 1.88" 1.024" .787" 5/8 - 11"
21007-15C CAT 40-DIN Coolant 15° .75" 0.55" - 1.89" 1.028" .792" 5/8 - 11"
21003-C CAT 40-ANSI-C 45° 0.740" 0.490" 0.490" 1.50" 0.640" .440" 5/8 - 11"
21003-45C CAT 40-Coolant-I 45° 0.590" 0.394" 0.512" 2.25" 1.266" .990" 5/8 - 11"
21003-60C CAT 40-Coolant-II 60° 0.590" 0.394v 0.512" 2.25" 1.266" .990" 5/8 - 11"
21003-90C CAT 40-Coolant-III 90° 0.590" 0.394" 0.512" 2.25" 1.266" .990" 5/8 - 11"
21003-45CSF CAT 40-Coolant-I Slim Fit 45° 0.590" 0.394" 0.512" 2.25" 1.266" .990" 5/8 - 11"
21003-60CSF CAT 40-Coolant-II Slim Fit 60° 0.590" 0.394v 0.512" 2.25" 1.266" .990" 5/8 - 11"
21003-90CSF CAT 40-Coolant-III Slim Fit 90° 0.590" 0.394" 0.512" 2.25" 1.266" .990" 5/8 - 11"
21005-45C CAT 50-Coolant-I 45° 0.906" 0.669" 0.827" 3.346" 1.772" 1.378" 1 - 8"
21005-60C CAT 50-Coolant-II 60° 0.906" 0.669" 0.827" 3.346" 1.772" 1.378" 1 - 8"
21005-90C CAT 50-Coolant-III 90° 0.906" 0.669" 0.827" 3.346" 1.772" 1.378" 1 - 8"
21008-15C CAT 50-DIN Coolant 15° 1.101" 0.825" - 2.640" 1.338" .984" 1 - 8"
21005-C CAT 50-ANSI-C 45° 1.140" 0.820" 0.820" 2.30" 1.00" .700" 1 - 8"

 

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