CAT50 Retention Knob for V-flange Spindles from Japan
High-torque retention knob (pull stud) for CAT50 V-flange tooling systems in vertical machining centers. Essential for drawbar clamping mechanism in CNC mills. Classified as 'other' tool holder accessory under HTS 8466.10.01.75.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide engineering drawings showing taper interface to distinguish from generic fasteners
• Thread pitch (e.g
• 7/16-20 UNF) variations affect interchangeability; document specific spindle compatibility
• Avoid classification as 'machine parts' by emphasizing principal function as tool retention