TEGARA CAT40 1/2″ X 3.5 DUAL CONTACT TAPER END MILL TOOL HOLDER BALANCED G2.5 20000 NEWMADE IN TAIWAN Product descriptionSKU202-7659TOOL HOLDER CATEGORYEnd Mill HolderBRANDTegaraSHANK SIZECAT40BORE DIAMETER1/2PROJECTION LENGTH3.5MAX RPM BALANCED TOG2.5 20000 TIR (INCH)0.0001DRAWBAR THREAD SIZE5/8x11UNCNOSE DIAMETER1.375DUAL CONTACT TOOL HOLDERYesCOOLANT THRUYes Product application With simultaneous contact on taper and flange face between the spindle and tool holder, dual contact tooling eliminates the 1/8” gap between the flange face and the spindle nose to increase rigidity, minimize vibration, extend cutting tool tool life, and greatly improve workpiece surface finish at aggressive speed & feedBy utilizing DONE IN ONE capability from Mazak Integrex machine with a second turning spindle, all processes from raw bar stock material to final machining in just one machine to improve machining accuracy and streamline production output.To achieve AT3 or better taper contact as an industry standard, our taper surface are precision ground on Shigiya CNC grinder from Japan. We are not satisfied with just meeting the industry standard, the surface roughness on the taper is maintained to mirror finish.Tool holder is balanced to G2.5 20,000 RPM on a HAIMER Tool Dynamic Balancing System from Germany. Balanced tool holder minimizes the centrifugal forces which minimize the stress on spindle bearing, minimize vibration and maximize the cutting tool’s life cycle and greatly improve surface finish.Made from alloy steel harden to 54-60 HRcAll critical surface are precision groundInternal bore concentricity is less than 0.0001″ from taper to end mill pocketFlange and V-groove are precision ground to ensure reliable tool changeCoolant thru spindle capability We have other holders & collet chucks available at My Ebay Store: SHIPPING: UPS GroundBuyer pays ACTUAL UPS shipping & insurance, and a $3.00 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.