ER11 HEX CLAMPING NUT - ETM Product Specifications Item # 67-813-279 Catalog Price $36.29 Unit of Measure each Must Buy 1 Country of Origin ISRAEL Shipping Restrictions
Unfortunately I don't know exact data of these spindles, but I know these were spares of Hauser 3S(MO) Jig Grinder (google it). So they might be as fast as 80000 rpm. All sizes on photo, collet size is small (looks like ER11, but I am not sure 100%).
Kennametal - 0.02 to 0.28 Inch Collet Capacity, Straight Shank, Series ER11 Collet Chuck 7 Inch Overall Length, 5.96 Inch Shank Length, 1/2 Inch Shank Diameter, 0.0001 Inch TIR, 1.04 Inch Projection, Through Spindle Coolant RETAIL PRICE: $188.14
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