Work holders
Parts and accessories suitable for use solely or principally with the machines of headings 84.56 to 84.65, 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. > Work holders
Duty Rate (from China)
Products classified under Tariff item 8466.20.00
5-Axis Machining Rotary Table
A trunnion-style rotary table for 5-axis simultaneous machining centers that holds and tilts workpieces. It provides additional rotary axes for complex contour machining, serving as a work holder. This table is suitable for use solely or principally with machines of headings 84.56 to 84.65.
Bevel Gear Chuck Adapter
An adapter plate with angular indexing for mounting bevel gear blanks in generating machines. It features hardened inserts and coolant channels optimized for bevel cutting, ensuring durability and efficient machining.
Bevel Gear Generating Head
A rotary work head with a swivel axis designed to hold bevel gear blanks during generating cutting operations on gear-cutting machines of heading 84.64. It provides the exact cradle motion required for producing conical gear geometries. This product is a work holder specifically for gear-cutting machinery, falling under tariff item 8466.20.00.
Bevel Gear Generating Jig
A tilting-axis jig for generating straight bevel gears on universal gear generators of heading 8464. It allows cradle swivel for cone angle matching, ensuring accurate bevel gear tooth geometry.
Cluster Gear Family Fixture
A multi-station fixture for simultaneous cutting of compound cluster gear families. Independent clamps with phase adjustment ensure proper mesh alignment. This product is a work holder for gear-cutting machines, falling under tariff item 8466.20.00.
Cluster Gear Holding Fixture
A multi-station fixture designed to hold cluster gear assemblies (compound gears) during simultaneous hobbing operations. Each spindle can be individually adjusted to accommodate different gear sections, ensuring precise alignment and efficient machining.
CNC Machine Workholding Vise
A precision vise designed to securely hold workpieces during machining operations on CNC lathes and milling machines covered by headings 8456 to 8465. It features quick-release jaws and fine adjustment for accurate positioning, making it a versatile work holder. This vise is suitable for use solely or principally with machines of headings 84.56 to 84.65.
Dividing Head for Gear Shaper
A rotary dividing head attachment that indexes workpieces precisely during gear shaping operations on machines of heading 84.64. It is essential for creating accurate gear tooth profiles. This product is a work holder for gear-cutting machinery, classified under tariff item 8466.20.00.
Face Gear Work Arbor
A precision arbor used to hold face gear blanks during face milling or hobbing operations. It features face driver dogs for torque transmission, ensuring secure clamping and accurate machining of the gear teeth.
Gear Blank Clamping Vise
A precision vise designed to securely hold gear blanks during hobbing or shaping operations on gear-cutting machine tools. It features adjustable jaws and quick-release mechanisms for efficient workpiece positioning.
Gear Blank Quick-Change Base
A quick-change work holder base with Hirth ring coupling for sub-1-minute gear blank exchanges on hobbing centers. It provides high repeatability for high-volume gear production. This product is a work holder for gear-cutting machines, classified under tariff item 8466.20.00.
Gear Cutting Hob Tool Holder
A precision tool holder designed specifically for securing hobs in gear hobbing machines classified under heading 84.64. It ensures accurate alignment and stability during the gear cutting process. This product is a tool holder for gear-cutting machines, falling under tariff item 8466.20.00.
Gear Cutting Jig for CNC Hobbing Machines
A precision jig designed to securely hold workpieces during gear hobbing operations on CNC machines of heading 84.64. It ensures accurate positioning and repeatability for cutting involute gear teeth. This product is a work holder for gear-cutting machines, falling under tariff item 8466.20.00.
Gear Hob Arbor Support
A steady rest support for long gear blanks on hobbing arbors, preventing deflection during deep tooth cutting. It features pneumatic or mechanical actuation with micrometer adjustment for precise positioning.
Gear Hobbing Index Fixture
A rotary index fixture synchronized with hobbing machine spindles for precise gear tooth spacing during hob cutting. It features pneumatic clamping for high-volume production, ensuring consistent and accurate indexing.
Gear Shaping Fixture Plate
A fixture plate with precision-machined T-slots and location holes for mounting gear blanks in shaping machines. It ensures repeatable positioning for accurate gear tooth profiles. This product is a work holder for gear-cutting machines, falling under tariff item 8466.20.00.
Gear Shaving Fixture
A custom fixture designed to hold pre-cut gears during shaving operations on specialized gear finishing machines. It provides exact concentricity for final tooth profile refinement, ensuring high precision in the finished gear.
Helical Gear Clamping Jaws
Specialized soft jaws with helical gear blank contour grooves for secure, distortion-free clamping in gear cutting. They are heat-treated for long wear life, ensuring reliable performance in high-volume production.
Helical Gear Indexing Arbor
A precision arbor with a helical spline drive for indexing helical gear blanks in hobbing or shaping machines. It compensates for the helix angle during rotation, ensuring accurate gear tooth generation. This product is a work holder for gear-cutting machines, classified under tariff item 8466.20.00.
Helical Gear Milling Fixture
An adjustable fixture with helical angle adjustments for milling helical gears on universal milling machines of heading 84.61. It secures workpieces at precise helix angles for multi-axis cutting. This product is a work holder for gear-cutting machines, classified under tariff item 8466.20.00.
Hobbing Machine Tailstock Center
A live center tailstock assembly designed to support the opposite end of gear blanks during hobbing operations. It rotates with the workpiece and is calibrated to prevent deflection, ensuring concentricity and high-precision gear cutting. This work holder is suitable for use solely or principally with gear-cutting machines of headings 84.56 to 84.65.
Hypoid Gear Cradle Fixture
A tilting cradle fixture for holding hypoid gear blanks during generating cutting. It provides offset axis motion to achieve the correct hypoid tooth geometry, essential for producing these specialized gears.
Index Plate Set for Gear Hobber
A matched set of index plates and sector plates for precise workpiece rotation in gear hobbing machines of heading 84.64. They allow accurate tooth spacing for spur and helical gears. This product is a work holder accessory for gear-cutting machines, falling under tariff item 8466.20.00.
Internal Gear Centering Mandrel
An expanding mandrel with a taper lock for precise centering of internal gear ring blanks during shaping or skiving. Its self-centering design prevents bore distortion, making it a specialized work holder for gear cutting. This item is suitable for use solely or principally with gear-cutting machines.
Involute Gear Broaching Jig
A heavy-duty jig for holding gear blanks during internal or external involute gear broaching on machines of heading 8462. It ensures concentricity and alignment during high-force broaching strokes, critical for precision gear production.
Large Module Gear Tombstone
A heavy-duty tombstone fixture designed for extra-large module gears (Module 20+). It features a multi-face design with integral coolant and chip evacuation for roughing operations, serving as a robust work holder. This fixture is suitable for use solely or principally with gear-cutting machines.
Module Gear Chuck Adapter
A quick-change adapter plate system that converts standard chucks to accommodate metric module gear blanks on hobbing or shaping machines. It covers a module range of 0.5 to 12, offering flexibility for various gear sizes.
Powder Metal Gear Compact Holder
A porosity-compensating work holder for green-state powder metal gear compacts. It features compliant clamping to prevent cracking during green machining, making it specialized for powder metal gear cutting. This work holder is suitable for use solely or principally with gear-cutting machines.
Precision Gear Blank Centering Vise
An air-operated centering vise for automatically trueing gear blanks prior to cutting. Pneumatic actuation ensures high concentricity for precise gear machining. This product is a work holder for gear-cutting machines, classified under tariff item 8466.20.00.
Rack Gear Milling Clamp Fixture
A linear clamp fixture for holding rack gear blanks during straight bevel rack milling on specialized gear cutters. It provides backlash-free positioning along the rack length. This product is a work holder for gear-cutting machines, falling under tariff item 8466.20.00.
Rack Gear Milling Vise
A specialized vise with 90° indexing for holding rack gear blanks during tooth milling on machines of heading 8465. The jaw design accommodates the rack module and pitch line, ensuring accurate positioning.
Rack Gear Work Pallet
An indexing pallet system for straight rack gear blanks with linear positioning stops for precise tooth spacing during shaping or broaching. Its modular design accommodates different rack lengths, serving as a versatile work holder. This pallet is suitable for use solely or principally with gear-cutting machines.
Skew Gear Work Holder
A tilting work holder with skew angle compensation for non-parallel axis gears. It features 2-axis adjustment (±15°) for crossed helical gear generation, making it a precision work holder. This holder is suitable for use solely or principally with gear-cutting machines.
Spline Cutting Collet Chuck
A high-precision collet chuck for involute spline cutting on gear-cutting machines of heading 84.65. Quick-change collets accommodate various spline module sizes. This product is a work holder for gear-cutting machines, falling under tariff item 8466.20.00.
Spline Cutting Fixture for Gear Shaping Machines
A custom fixture that clamps and rotates workpieces for precise spline cutting on gear shaping machines of heading 8461. It features index plates for exact tooth spacing, ensuring accurate spline profiles.
Spline Milling Work Arbor
A precision ground arbor with expandable collets for holding spline blanks during milling operations on gear-cutting machines. It provides exact concentricity for involute spline production, serving as a specialized work holder. This arbor is suitable for use solely or principally with gear-cutting machines.
Universal Gear Cutter Workholding Chuck
A self-centering chuck optimized for holding gear blanks in hobbing, shaping, and milling machines under headings 8461, 8464, and 8465. It features anti-slip jaws designed for high-torque gear cutting operations.
Worm Gear Cutting Template Jig
A template-guided jig for single-point threading tools to cut precise worm gears on lathes adapted for gear cutting under heading 84.58. It ensures accurate lead and pressure angles. This product is a work holder for gear-cutting machines, classified under tariff item 8466.20.00.
Worm Gear Hobbing Mandrel
A tapered mandrel with drive flats for holding worm gear blanks during hobbing operations. Designed for single-threading multi-start worms under heading 84.64. This product is a work holder for gear-cutting machines, classified under tariff item 8466.20.00.
Worm Gear Indexing Fixture
A fixture with helical lead adjustment for precise positioning of worm gear blanks during hobbing. It compensates for worm helix angle during multi-start cutting, making it a specialized work holder. This fixture is suitable for use solely or principally with gear-cutting machines.