Spline Cutting Hobber SH-500 from Canada
The SH-500 spline hobber cuts internal and external splines and serrations using specialized hobs on workpieces up to 500mm diameter. It qualifies under HTS 8461.40.1060 as a gear cutting machine variant for non-standard gear forms by metal removal. Ideal for automotive transmission and PTO shaft production.
Duty Rate — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Submit spline profile drawings and hob specifications to prove gear family classification
• Label as 'gear cutting' not 'spline milling' to prevent reclassification; include DIN/AGMA standards reference
• Watch for undervaluation penalties; provide comparable sales data for used/refurbished units