Product Description
Manufacturer part number: 3900-7749
- Pro-Series 7/8" CAT 40 V-Flange End Mill Holder
- Balanced to 18,000 RPM
- 3.5" Gage Length
- Tolerance is .0003" Maximum
- Made of 20CrMnTi alloy steel
- Electrolysis nickel coating
- Superior Finish & Craftsmanship
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