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Specification
Brand : Tegara
BulletPoint1 : Shank Size: CAT40
BulletPoint2 : Bore Diameter: 1/2
BulletPoint3 : Projection Length: 3.15
BulletPoint4 : End Mill Holder Style: Standard
BulletPoint5 : Max. RPM Balanced to: G2.5 25000
BulletPoint6 : TIR (In): 0.0001
BulletPoint7 : Drawbar Thread Size: 5/8x11UNC
BulletPoint8 : Nose Diameter: 0.94
BulletPoint9 : Bore Depth: 1.85
Color : Slivery
ExternallyAssignedProductIdentifier : 8014249025702
ExternallyAssignedProductIdentifier1 : 0000120278112
ExternallyAssignedProductIdentifier2 : 000120278112
IncludedComponents : Fitted in Case
ItemDisplayWeight : 1.48 ounces
ItemName : Tegara CAT 40 1/2 x 3.15" Shrink Fit Tool Holder Balanced G2.5 25000 RPM 202-7811 P)
ItemPackageDimensions_Height : 0.7 inches
ItemPackageDimensions_Length : 3.81 inches
ItemPackageDimensions_Width : 2.26 inches
ItemPackageQuantity : 1
ItemTypeKeyword : tool-holders
Manufacturer : Tegara
Material1 : high speed steel
Material2 : hss
MeasurementSystem : American Standard
NumberOfItems : 1
PartNumber : 202-7811
ProductDescription : Size: 1/2"-40 UNS Straight Flute Thread Taps.
Cutting Direction: Right Hand.
Material: High Speed Steel.

Straight Flute Thread Taps
Straight flute design, used for through hole and shallow blind hole tapping, not for blind hole tapping.

Easy to Use
It can be used with manual equipment or special processing consoles, such as tapping machines, drill-in-one bench drills, CNC lathes, machining centers, etc.

Control the speed according to the hardness of the material. The higher the hardness of the processed product, the slower the speed.
Recommended feed rate: General steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.

Tips
1. Before tapping confirm whether the diameter of the round hole is appropriate, and to take protective measures when working.
2. When tapping, it is necessary to add water or coolant to cool down to prevent excessive temperature and reduce tap loss. If it encounters difficulty in rotation, the tapping should be suspended.
3. Be sure to select the appropriate cutting oil for the complex tapping process and apply anti-rust oil for maintenance after use.
ProductDescription1 : Tool holder is balanced to G2.5 30,000 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.
ProductDescription2 : 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.
ProductDescription3 : To achieve 3 micron or better internal bore runout, our internal bore are precision ground on Toyo CNC grinder from Japan. There is not cutting corner on this time consuming internal grinding process and the low runout would contribute to longer cutting tool life and better surface finished.
ProductDescription4 : Taper ground to AT3 or better specification ensures 80% or more contact with spindle to reduce harmonics and improve runout tolerance
ProductDescription5 : Inside bore are precision turned to engage a better contact with retention knob's pilot to increase rigidity
ProductSiteLaunchDate : 2023-06-09T19:43:44.468Z
Size : 1/2"-40 UNS
Style : 7/16-27 UNS
SupplierDeclaredDgHzRegulation : not_applicable