Tool holders and self-opening dieheads
Parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand: > Tool holders and self-opening dieheads
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Subheadings
Products classified under HTS 8466.10.01
ER32 Collet Chuck Tool Holder
A precision ER32 collet chuck designed to hold end mills and drills securely in CNC milling machines of heading 8461. It features a tapered shank for direct mounting on machine spindles and ensures accurate tool positioning during high-speed machining. Classified under HTS 8466.10.01 as a tool holder principally used with machines of headings 8456 to 8465.
HSK-A63 Tool Holder
High-speed HSK-A63 hollow shank tool holder optimized for spindle speeds exceeding 40,000 RPM in 5-axis machining centers. Features dual-contact interface for superior rigidity and vibration damping. HTS 8466.10.01 classification as tool holder principally for heading 8461 machines.
CAT50 V-Flange Tool Holder
CAT50 retention knob compatible V-flange tool holder for large horizontal machining centers handling parts up to 5 tons. Provides 7:24 taper contact and high torque transmission for heavy roughing operations. HTS 8466.10.01 as tool holder for heading 8461 machines.
2" Self-Opening Circular Die Head
Precision 2-inch capacity self-opening die head for production threading of pipes and fittings on multi-spindle automatic lathes. Features adjustable lead angles and rapid open/close via cam actuation. HTS 8466.10.01 specifically covers self-opening dieheads for heading 8458 machines.
SK40 Modular Tool Holder
DIN-69871 SK40 steep taper tool holder with hollow interior for through-tool coolant in European CNC machining centers. Modular design accepts various tool shanks via adapters. Classified under HTS 8466.10.01 for principal use with heading 8461 machines.
NT30 NABOND Tool Holder
NT30 NABOND dual-contact tool holder combining ISO30 taper with face contact for Japanese machining centers. Provides superior clamping force and runout control for mold and die work. HTS 8466.10.01 classification for heading 8461 machine use.
1-8 UNC Self-Opening Die Head
Compact self-opening die head for 1"-8 UNC precision threads on Swiss-type CNC lathes and screw machines. Quick-change chaser system reduces setup time by 80%. Specifically provided for in HTS 8466.10.01 as self-opening diehead.
BT40 Tapered Tool Holder
BT40 ISO standard tapered shank tool holder for high-precision retention of cutting tools in vertical machining centers (heading 8461). It provides pull-stud retention and high runout accuracy essential for aerospace and mold making. Falls under HTS 8466.10.01 as a self-contained tool holder for machines of 8456-8465.
Self-Opening Die Head 1-1/2"-12 UN
Reversible self-opening die head for automatic thread chasing on CNC lathes, size 1-1/2" to 12 UN threads. Opens/closes via spindle rotation without manual intervention, increasing productivity in high-volume screw machining. Classified HTS 8466.10.01 as self-opening diehead principally for heading 8458 machines.
ISO30 Weldon Shank Tool Holder
ISO30 taper tool holder with Weldon 1" flat for secure drill mounting in small CNC mills and routers. Balances rigidity with weight reduction for high-speed drilling up to 20,000 RPM. Principal use with heading 8461 machines qualifies for HTS 8466.10.01.