Specification Brand : Cosiki BulletPoint : CAT50 3/4 - 8 End Mill Holder, DIN Coolant, Ground Body, Premium Balanced to 25, 000 RPM Features: BulletPoint1 : IDEAL REPLACEMENT: The holder is easy to install and dissamble, which is an ideal replacement for the old and damaged parts for better working performance! BulletPoint2 : DEEP HOLE PROCESSING: DC extension holder can bring the milling cutter into the deep hole processing slot for processing, solve the deep hole processing problem for you. BulletPoint3 : FINE WORKMANSHIP: The extention holder is well crafted with fine inner hole, and high concentricity, and extension holder works with premium stability. BulletPoint4 : CEMENTED CARBIDE MATERIAL: Made of premium cemented carbide material, the entension holder is strong and sturdy, not easy to deform. The holder can be used for powerful milling to improve efficiency. BulletPoint5 : WIDE APPLICATION: The extension holder is widely used in CNC lathes, machining centers, tapping machines, drilling machines, milling machines and other equipments. CutType : Taper ExternallyAssignedProductIdentifier1 : 0752273520357 ExternallyAssignedProductIdentifier2 : 752273520357 ItemName : End Mill Holder, Cemented Carbide Smoothly Thread Sturdy Mill Extension Holder for Lathe ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 3 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : end-mill-holders Manufacturer : Cosiki ModelName : Cosiki0s5a3xpn1m ModelNumber : Cosiki0s5a3xpn1m NumberOfFlutes : 4 NumberOfItems : 1 PartNumber : Cosiki0s5a3xpn1m Pattern : 3/4" x 1.89 ProductDescription : 1. CEMENTED CARBIDE MATERIAL: Made of premium cemented carbide material, the entension holder is strong and sturdy, not easy to deform. The holder can be used for powerful milling to improve efficiency. 2. FINE WORKMANSHIP: The extention holder is well crafted with fine inner hole, and high concentricity, and extension holder works with premium stability. 3. DEEP HOLE PROCESSING: DC extension holder can bring the milling cutter into the deep hole processing slot for processing, solve the deep hole processing problem for you. 4. WIDE APPLICATION: The extension holder is widely used in CNC lathes, machining centers, tapping machines, drilling machines, milling machines and other equipments. 5. IDEAL REPLACEMENT: The holder is easy to install and dissamble, which is an ideal replacement for the old and damaged parts for better working performance!