4Pcs CAT40 ER20 Taper Shank HEX Nut Collet Chuck 4.5" Balanced G2.5 20000 RPM L[

Description

4Pcs CAT40 ER20 Taper Shank HEX Nut Collet Chuck 4.5" Balanced G2.5 20,000 RPM
We don't sell  ER Collet Chucks, we sell ER Collet Chucks life!
Quality Guarantee
Product Code
202-1594(4)
Product description
Taper: CAT40
Shank: Taper Shank
Draw Bar Thread: 5/8" -11
Collet Series: ER-20
Range: 1/16-1/2"
Proj (L): 4.5"
Balanced: G2.5 20000
Concentricity/runout less than: 0.0001" / 0.003mm
Collet Chuck accepts all ER20 collets
Works on all CAT 40 machines
Product application
Product features
Shars
tools are manufactured by an
ISO 9001
certified manufacturer with 60 plus years of hands-on experience in the CNC machining industry and which is also as OEM that produces highest quality European brands.
Dynamically balanced to 20,000RPM at G2.5 by Haimer balancing machine at all location for consistent balance
Unique design feature in the flange to minimize the off-balance nature of CAT 40 taper specification.  On the shoulder under the flange, a side is mill flat to compensate the weight of the metal chips lost from forming the spherical hole in the flange.  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 with each holder.
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
The inner holes will be inspected on product line one hundred percent by USA air jet instrument.
The CAT40 CAT50 BT30 BT40 7:24 taper is inspected on production line by
Stotz
Air/Electronic instrument to ensure AT3 or better taper contact
We have other holders & collet chucks available at
My Ebay Store:
If you need out relate items,  click the Product Code to the item page
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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:
[email protected]
SHIPPING: UPS Ground
Buyer pays
ACTUAL UPS shipping & insurance, and a .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 UPS BLUE. Canada will pay actual shipping costs plus duty fees via UPS.
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. If your order is being shipped to an address outside of the United States, local consumer tax and/or customs duty , brokerage charges may apply and the package's recipient may need to pay these to clear customs.
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
[email protected]
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