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Tap Chuck Collet

Model Name: J420 J421 J422 J423 J440 J441 J443

Jacobs® Rubber-Flex Collets Outperform Conventional Split-steel Collets In Gripping Power, Accuracy And Durability.

  • Parallel Jaw Insert Surfaces Exert Uniform, Accurate Gripping Force Up to Three Times Greater Than Can Be Achieved with Split-Steel Collets.

  • Each Collet Accepts and Precisely Centers a Wide Range of Both Decimal or Metric Diameters (Within Individual Capacity Ranges) to Speed Setups and Increase Machining Productivity

  • Durable One-Piece Construction. Synthetic Rubber Retains Flexibility and Resists Deterioration From Heat, Coolants and Cutting Compounds

  • Steel Jaw Inserts Precision Ground After Molding Process to Ensure Maximum Gripping Accuracy. Hardened for Greater Wear Resistance Than Split Steel Collets

  • Each Collet Bore is Held Concentric to the O.D. Tapers, Front and Back, to Minimize T.I.R.

  • Automatically Seals Tool O.D. to Prevent Coolant Flow Through Thus Increasing Tool Wear

  • Seals Collets and Machine Spindles to Protect From Abrasive Particles and Swarf

Model PN A- Cap.(in) A- Cap.(mm) B- Length(in/mm) C- Angle D- Dia(in/mm) No.of Inserts
J420 9747 0.176"-0.320" 4.5-8.1mm 0.500"/12.7mm 40 ° 0.941"/23.9mm 6
J421 9748 0.139"-0.257" 3.5-6.5mm 0.500"/12.7mm 40 ° 0.941"/23.9mm 6
J422 9751 0.253"-0.383" 6.4-9.7mm 0.500"/12.7mm 40 ° 0.941"/23.9mm 6
J423 9817 0.090"-0.180" 2.3-4.6mm 0.500"/12.7mm 40 ° 0.860"/21.8mm 4
J440 9749 0.280"-0.500" 7.1-12.7mm 0.630"/16.0mm 45 ° 1.296"/32.9mm 6
J441 9750D 0.176"-0.383" 4.5-9.7mm 0.630"/16.0mm 45 ° 1.296"/32.9mm 6

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