Irwin Speedbor 1/2 Inch Carbide Masonry Drill Bit from Japan
Irwin's Speedbor series offers a 1/2-inch carbide masonry bit with tungsten-carbide insert containing over 0.1% vanadium for aggressive cutting in block and mortar. Suited for cordless drills. Classified in 8207.50.20.30 for high-alloy masonry tools excluding rock drills.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Submit supplier affidavits confirming alloy percentages to avoid lab testing demands
• Use clear HTS markings on invoices for faster processing at ports
• Watch for reclassification if bits are too short for machine-tool use