CAT50 Retention Knob for V-flange Spindles from Mexico
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 — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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