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Specification
Brand : Shars
BulletPoint1 : Slot Length: 2-7/8"; Length Under Head: 3-1/4"; Head Thickness: 3/4"
BulletPoint2 : Made of high quality tool steel
BulletPoint3 : Tool Holder Bushing for universal use on CNC turning machines to adapt a wide variety of boring bars, drills, reamers and shank type tools
BulletPoint4 : OD tolerance is within H6 and ID tolerance is within H7
BulletPoint5 : Hardened and precision ground to highest concentricity
CutType1 : Rounded
CutType2 : Taper
ExternallyAssignedProductIdentifier1 : 0000220281524
ExternallyAssignedProductIdentifier2 : 000220281524
ItemName : SHARS PRECISE TOOL HOLDER BUSHING TYPE Z 1-1/2" OD (1-1/2" OD, 1/2" ID, 202-8152) P
ItemPackageDimensions_Height : 5 inches
ItemPackageDimensions_Length : 9 inches
ItemPackageDimensions_Width : 7 inches
ItemShape : Round
ItemTypeKeyword : tool-holders
Manufacturer : Shars
Material : Black Oxide
ModelNumber : 202-7124G-2
PartNumber : 202-8152
Pattern : Type Z
ProductDescription : 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. 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. 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. The maximum torque is laser marked on the ER collet nut face to take the guess game out of the way to ensure proper amount of force should be applied while tightening. Innovative coating process significantly increases the clamping force by 75% compared to standard ER collet nut. More gripping force provides better rigidity and reduces the possibility of losing grip on the round shank which lead to expensive damage on cutting tools and work piece material.
ProductSiteLaunchDate : 2019-10-18T19:10:00.165Z
Size : 1-1/2" OD, 1/2" ID, 202-8152
Style : Standard
SupplierDeclaredDgHzRegulation : not_applicable
ToleranceHeld : Precision
UnspscCode : 27112809