We also sell machine tools such as End Mill Tool Holder、PULL STUD, so the more you buy, the more favorable.Welcome to store!!! CAT40 ER16 2.76" Collet Chuck Tool Holder Balanced G2.5 20000RPM 4PCS Lot For CNC chucks or holders for drilling and milling machines. Specifications Product Type: CAT40 ER16 Material: 40Cr Max Speed: 20000 RPM Accuracy: 0.00012"-0.0002" (0.003-0.005 mm) Processing Length: 2.76" (70 mm) Color:Black & Silver Quantity: 4 pieces Feature: 1、CAT40 ER16 chucks are widely used in industry fields with gage/processing length of 2.76" (70 mm). Each of them is hardened and grounded to ensure its accuracy, which ranges from 0.00012" to 0.0002" (0.003-0.005 mm). 2、Brand new collet chucks for ER type. The flexibility of the ER holder can clamp drills, reamers, end mills, taps and much more. This holder use the standard ER 16 collets. It is possible to use different types of nuts while using the same holder and collets. Standard, M type and bearing type, they offer stronger holding and reduce vibration of the tool. 3、All chucks have passed hardness and anti-crack test. Low strength steel could lead crack and rust very soon, especially by the inside pocket area, accuracy will also drop only after a little while, so make sure avoid purchasing bad quality and unbalanced chucks. 4 x CAT40 ER16 Collet Chuck CCCBD7806 We have other holders & collet chucks & pull stud available at my ebay store! Welcome to the store to watch! 1. Paypal, Visa, and MasterCard are the accepted forms of payment. 2. We ship to your eBay or PayPal Please make sure your eBay and PayPal address is correct before you pay. 3. Please be kind to contact us to cancel the order if you can’t pay in time or don’t want the item any more. 1. Shipment will be made within 3 working days once your payment has been cleared. 2. Delivery time depends on destination and other factors. For faster shipping methods like UPS, USPS, etc., please contact us to know the extra charges. Your satisfaction is our long term pursuit and up-most concern. Please inspect your delivery immediately it arrives and notify us if there are any problems. 1. Please kindly help to test the items again in order to eliminate improper use factor. 2. Refund will be issued once returned item received. 3. If you satisfy with our product and service, please leave positive feedback, We appreciate your positive feedback. 4. Please email us before leaving any negative feedback or opening any dispute on the site.We understand the concerns you might have and we will try our best to resolve the problem for you. Your satisfaction is our long term pursuit and up-most concern. If you want to get in touch with us, it is preferable that you email us. We will try to answer most emails within 2 days. Think carefully before leaving neutral/negative feedback. Please feel free to contact us via e-mail first should there be any problem with the item you received. Certain images/photos are the copyrighted property of JupiterImages and are used with permission under license. For CNC chucks or holders for drilling and milling machines. Specifications Product Type: CAT40 ER16 Material: 40Cr Max Speed: 20000 RPM Accuracy: 0.00012"-0.0002" (0.003-0.005 mm) Processing Length: 2.76" (70 mm) Color:Black & Silver Quantity: 4 pieces Feature: 1、CAT40 ER16 chucks are widely used in industry fields with gage/processing length of 2.76" (70 mm). Each of them is hardened and grounded to ensure its accuracy, which ranges from 0.00012" to 0.0002" (0.003-0.005 mm). 2、Brand new collet chucks for ER type. The flexibility of the ER holder can clamp drills, reamers, end mills, taps and much more. This holder use the standard ER 16 collets. It is possible to use different types of nuts while using the same holder and collets. Standard, M type and bearing type, they offer stronger holding and reduce vibration of the tool. 3、All chucks have passed hardness and anti-crack test. Low strength steel could lead crack and rust very soon, especially by the inside pocket area, accuracy will also drop only after a little while, so make sure avoid purchasing bad quality and unbalanced chucks. 4 x CAT40 ER16 Collet Chuck CCCBD7806 We have other holders & collet chucks & pull stud available at my ebay store! Welcome to the store to watch!