CAT40 3/8 x 3.5" Coolant Thru Shrink Fit Tool Holder

Name: CAT40 3/8 x 3.5" Coolant Thru Shrink Fit Tool Holder
SKU: 202-6327
Availability: InStock

SKU

202-6327

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Mfg SKU #	202-6327
Tool Holder Category	Shrink Fit Holder
Brand	Shars Tool
shank size	CAT40
Bore Diameter	3/8
projection length	3.5
end mill holder style	standard
max rpm balanced to	G2.5 25000
drawbar thread size	5/8x11UNC
Nose Diameter	0.94
Shrink Fit Holder Nose Diameter D3	1.26
Bore Depth	1.53
Coolant Through	Coolant Port

Spotlight

Shrink fit holder with thermal contraction capability applies 360º uniform pressure onto the cutting tool shank along the entire length of bore.
Shrink fit holder with superior gripping power virtually becomes an integral cutting tool, eliminating runout error, tool deflection, vibration and slippage

Made from ISO-40CrMoV5 (USA-H13 Tool Steel), holder is double tempered for optimal tool life
Runout taper to bore within 3 Microns (0.0001") T.I.R.

Designed for cutting tools with h6 shank tolerance
Balanced to 25,000 RPM at G2.5
Unique design feature in the flange to minimize the off-balance nature of CAT 40 taper specification. On the side of flange where a half spherical hole is located, a "wall" is built around this hole to compensate the weight of the metal chips lost from forming this spherical hole. 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.