Percussion Earth Boring Hammer from Canada
Down-the-hole hammer using percussive blows to fracture and bore through overburden soils. Classified in HTS 8430.49.8050 as other boring machinery employing percussion method for earth.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify blow frequency, energy per blow, and bit shank type
• Include air pressure requirements and compressor compatibility
• Document bit rotation mechanism details