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DIN 69718 Retention Knobs

  • All mating surfaces precision ground

  • Manufactured from aircraft quality AMS-6274 alloy steel

  • Hardened for maximum longevity

Product Description

DIN 69718 Retention Knobs are manufactured from aircraft quality AMS-6274 alloy steel and  are hardened for maximum longevity. Match the dimensions and appearance of your retention knob to the drawings below. Use the manufacturer’s print that came with your machine to verify your selection. For safe operation,  ensure the pull stud you order is the exact pull stud your machine uses. Using the wrong pull stud can cause damage to the spindle and/or toolholder, and can create a safety hazard.

DIN 69871B
DIN 69871A
Part No.TypeθDd1d2d3d4I1I2I3SWT
SKU 49001 49003 49005 49011 49013 49015 Categories , ,

Rentention Knob Best Practices

Regularly inspect retention knobs for signs of wear. Wear may appear as dimples or grooves under the head or visible corrosion anywhere on the retention knob. If the retention knob demonstrates any signs of wear replace it immediately. 

Make sure to properly torque the retention knob to the manufacturer’s specifications. Use a torque wrench and retention knob adapter to ensure proper torque. Over-tightening can overly stress the retention knob leading to premature failure and can cause the tool holder taper to swell leading to a poor fit between the machine spindle and the tool holder.

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