TEGARA CAT40 1/2 2.25" Coolant Thru End Mill Tool Holder G2.5 20000 0.0001" Taiwan
| MFG SKU # | 202-7570 |
| Brand | Tegara |
| Bore Diameter | 1/2 |
| End Mill Holder Style | Standard |
| TIR (INCH) | 0.0001 |
| Stop Screw Thread Size | 7/16-20 UNF |
| Dual Contact Tool Holder | No |
| Tool Holder Category | End Mill Holder |
| Shank Size | CAT40 |
| Projection Length | 2.5 |
| Max RPM Balanced to | G2.5 20000 |
| Drawbar Thread Size | 5/8x11UNC |
| Nose Diameter | 1.37 |
| Coolant Through | Coolant Port |
|
The Devil's In The Details When you aspire to create one of the most competitive tool holders on the market, the details count. We invest heavily in extensive automation manufacturing and top of the line Mazak and grinding machines while pouring our heart and soul into bringing the tool to life. While not satisfied with just being good, so through customer data and rigorous testing, our R&D team are able to blend over 40 years of manufacturing know-how and real-world feedback to improve the tool holder's design and performance. |
 |
|
Start to Finish We optimize our process for both efficiency and accuracy by utilizing Kawasaki robotic arms to load and unload bar stock into the Mazak multi-tasking machine centers. We use SCM420 alloy steel to lay the foundation and case harden to RC 57-59 with a core of RC 34-39 to provide good core strength and maximize wear life. The core creates a dampening effect which reduces vibration in high speed milling to improve surface finish. The AT3 or better taper accuracy ensures 80% or better taper contact with spindle and using Stotz Air/Electronic Gaging for inspection on the taper. We precision grind the internal bore surface to <.0002" TIR and all bores are ground on a CNC grinder to ensure close run-out tolerance and evenly contact between the collet and the bore pocket. We use Haimer laser balancing machines to deliver a tool that can operate flawlessly at 20000 RPM and Mitutoyo or Mahr indicators to check the run out. |
 |
 |
 |
 |
AT3 or BetterTaper ground to AT3 or better ensures 80% or more contact with spindle to reduce harmonics and improve runout tolerance |
Pilot ContactInside bore are precision turned to engage a better contact with retention knob's pilot to increase rigidity |
Taper End FacePrecision turning surface finish provide perpendicular contact with the flange of retention knob to increase rigidity |
Coolant Port Demo |
 |
 |
Dynamic Balancing 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. |
| Pre-Balance Design 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. And when the holder is placed into the Haimer balance machine, less holes would need to be drilled in the v groove of the flange to protect the rigidity of the tool holder. 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. |
 |
 |
Coolant Port 2 Coolant ports on the nose of the tool holder direct coolants onto the cutting tool and workpiece to flush out chips and maintain optimal cutting tool performance. Coolant port can be sealed with the included stop screw to drive coolant to the center bore for coolant thru cutting tools. Stop screw needs to be completely threaded in to sit flush with the nose. Coolant port thread size is M4 x 0.70 with 5mm Length. |
Tool Holder Cutting DemoWatch a quick demo on Tegara tool holder in action to go through the aluminum block like butter. The USA-Made end mills with high helix angle are designed for aluminum to increase feed rate and leaves a good surface finished. The workpiece is clamped in the Tegara 690X vise and machined in a Haas VF7 mill 40 taper. |
 |
- Flange and V-groove are precision ground to ensure reliable tool change
- Balance report
- End mill locking screw with 1/4-28 UNF thread
- 2 stop screws (M4 x 0.70 with 5mm length) for the coolant ports
| SKU: 202-5931 | SKU: 202-1261A | SKU: 202-5930 |
| CAT40 5/8-11 60 Pull Stud Retention Knob for Milltronics Okuma Brother | 1/2" CAT40 Integrated Precision Ball Bearing Keyless Drill Chuck | CAT40 5/8-11 90 Pull Stud Retention Knob for Mori Seiki |
 |
 |
 |
| SKU: 202-2612 | SKU: 202-5928 | SKU: 202-6290 |
| CAT40 Universal H/V CNC Tool Holder Tightening Fixture | CAT40 5/8-11 45 Pull Stud Retention Knob for Fadal Mazak Hurco Tree | CAT40 15 0.747 Pull Stud Coolant Thru Retention Knob for DMG Mori Doosan |
 |
 |
 |
We have other holders & collet chucks available at My Ebay Store:
SHIPPING: UPS Ground
Buyer 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.
Illinois residents add 8% sales tax.