Techniks CAT40, 50 Precision Retention Knobs

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• All mating surfaces precision ground
• Manufactured to the highest standards for maximum safety and long life
• Hardened for maximum longevity

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 toolholder, and may create a safety hazard.
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Item # DiameterDegreeOverall LengthThread Size/LengthType Price Add To Cart
Compare 21006-15 d1: 0.75 in // d2: 0.55 in // d3: 0.640 in15 Deg1.88 in5/8 - 11 inCAT40-DIN $26.00 Add to cart
Compare 21007-15 d1: 0.75 in // d2: 0.55 in // d3: 0.640 in15 Deg1.89 in5/8 - 11 inCAT40-DIN $26.00 Add to cart
Compare 21003 d1: 0.740 in // d2: 0.490 in // d3: 0.490 in45 Deg1.50 in5/8 - 11 inCAT40-ANSI $26.00 Add to cart
Compare 21003-45 d1: 0.590 in // d2: 0.394 in // d3: 0.512 in45 Deg2.25 in5/8 - 11 inCAT40-MAS-I $26.00 Add to cart
Compare 21003-60 d1: 0.590 in // d2: 0.394 in // d3: 0.512 in60 Deg2.25 in5/8 - 11 inCAT40-MAS-II $26.00 Add to cart
Compare 21003-90 d1: 0.590 in // d2: 0.394 in // d3: 0.512 in90 Deg2.25 in5/8 - 11 inCAT40-MAS-III $26.00 Add to cart
Compare 21005-45 d1: 0.906 in // d2: 0.669 in // d3: 0.827 in45 Deg3.346 in1 - 8 inCAT50-MAS-I $32.00 Add to cart
Compare 21005-60 d1: 0.906 in // d2: 0.669 in // d3: 0.827 in60 Deg3.346 in1 - 8 inCAT50-MAS-II $32.00 Add to cart
Compare 21005-90 d1: 0.906 in // d2: 0.669 in // d3: 0.827 in90 Deg3.346 in1 - 8 inCAT50-MAS-III $32.00 Add to cart
Compare 21008-15 d1: 1.101 in // d2: 0.825 in15 Deg2.640 in1 - 8 inCAT50-DIN $51.00 Add to cart
Compare 21005 d1: 1.140 in // d2: 0.820 in // d3: 0.820 in45 Deg2.30 in1 - 8 inCAT50-ANSI $32.00 Add to cart