Shars Iso 30 Er16 Collet Chuck Tool Holder Balanced To 20,000 Rpm

US $65.00

  • Saint Charles, Illinois, United States
  • Jan 30th
SHARS ISO 30 ER16 Collet Chuck Tool Holder Balanced to 20,000 RPM Product Code 202-5980 Product description Taper: ISO30 Rear Thread Size: M12 x 1.75 Collet Series: ER16 Range: 1/32-3/8" Projection (L): 100mm Nose Diameter: 28mm Runout: .0001" Balanced to 20,000 RPM Product features Dynamically balanced to 20,000RPM at G2.5 by Haimer balancing machine at all location for consistent balance Unique design feature in the extension nose to minimize the off-balance nature of CAT 40 taper specification.  On the side of flange where a half spherical hole is located, a flat is cut into the cylinder nose to compensate the weight of the metal chips lost from forming this spherical hole.  This design allows the left side and right side of the holder to achieve 50-50 perfect weight distribution in its upright position, like the position inside a machine spindle.  Symmetrical design in evenly weight distribution will minimize centrifugal force in high speed spinning and thus maximize the holder's ability to hold the cutting tool concentric to spindle rotation. In a generic standard ER collet nut, an internal ring is off-centered so that an ER collet can be easily snapped into it and holds the ER collet in place.  To minimize this off-centering, SHARS ER collet nut is optimized to distribute the flat sides' area to off-set the off-center.    ER Collet Nut is also balanced to 20,000 RPM Manufactured from alloy steel with good core strength and long wear life.  Taper shank is case hardened to 56-60 HRC and has a core hardness of 35-40 HRC.  The case hardness is designed to give maximum wear life without compromising the 60-62 HRC spindle.  The core creates a damping effect from the vibration during the high speed milling, especially in long reach or heavy duty milling application Taper ground to AT3 or better accuracy standard for maximum contact with spindle. All of SHARS CAT/BT/HSK tool holder use Stotz Air/Electronic Gaging for production and finish inspection. Stotz has been chosen by major aircraft companies as the best and most consistent gaging for tool holder shanks  All critical surface are precision ground Concentricity is less than 0.0001" from taper to end mill pocket Each holder comes with a lab certificate on its taper accuracy and runout measurement Internal set screw is included and can be used as a stopping pin to prevent end mill or drill from sliding backwards while performing heavy cutting Coolant through capability by removing the internal set screw Collet nut thread is precision ground We have more REPLACEMENT ACCESSORIES available:  SHARS ISO 30 M12 x 1.7 5 Pull Stud Retention Knob for HSD Spindle  We have other milling, collet chucks and knob sockets available at My Ebay Store: If you need to speak to a sales person feel free to call. We are open Monday through friday 8:30 to 5:00 est. Phone:1-630-443-3244 Email: discountmachineshop@gmail.com SHIPPING: UPS Ground   Buyer pays ACTUAL UPS shipping & insurance, and a $2.00 handling fee for this item to be shipped to all states within the continental United States. Hawaii, Alaska & and other United States Territories will ship via USPS. Canada will pay actual shipping costs plus duty fees via USPS. We can combine other auctions or store items to save on shipping. You may ask for freight cost before buying tools. Shipment will be made the same day as your payment is received and an UPS tracking number will be email to you. PAYMENT: We accept VISA, MasterCard and E-Check on PayPal.com Illinois residents add 8% sales tax. RETURNS: If the item stated as brand new is found defective on arrival or incorrect item was shipped, buyer understands that the product will be repaired or replaced at seller's discretion, and be given a reasonable amount of time. Buyer is responsible for return shipping costs and insurance. Warranties are offered by the manufacturer and will be honored by the manufacturer. All shipping and handling fees will not be returned in any case. Any questions regarding our tools, feel free to email us at discountmachineshop@gmail.com

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