HHIP 3900-2112 58-Piece Clamping Kit – 7/16" T-Slot, 3/8-16 Studs, Forged Alloy Steel Step Blocks, T-Nuts, Flange Nuts & Clamps with Storage Rack, Heat-Treated Workholding Set for Milling Machines

The HHIP 3900-2112 58-Piece Clamping Kit provides a complete, professional-grade solution for securing workpieces on milling machines and worktables. Designed for 7/16-inch T-slots with 3/8-16 studs, this kit delivers the strength, versatility, and precision machinists rely on for consistent setups. It includes 4 each of 3″, 4″, 5″, and 6″ studs, 6 flange nuts, 6 forged step clamps, 6 T-nuts, 12 step blocks, 4 coupling nuts, a tightening wrench, and a sturdy storage rack for organized access. Each component is crafted from heat-treated forged alloy steel, providing exceptional strength and wear resistance under heavy clamping loads. The 7/16″ T-slot design ensures compatibility with most Bridgeport-type mills and similar machine tables, while precision-machined surfaces guarantee smooth fit and balanced load distribution, reducing vibration and enhancing machining accuracy. All components feature a protective coating for rust resistance and easy cleanup, making the kit suitable for both shop and production use. The included metal rack keeps every piece visible and within reach, cutting setup time and preventing part loss. Ideal for milling, boring, drilling, tapping, or fixture building, the HHIP 3900-2112 58-Piece Clamping Kit offers a dependable, durable, and cost-effective workholding solution for machinists, fabricators, and precision professionals.

• COMPLETE 58-PIECE WORKHOLDING KIT: Includes 4 each of 3", 4", 5" & 6" studs (3/8-16), 4 coupling nuts, 6 flange nuts, 6 forged steel step clamps, 6 T-nuts, 12 step blocks, wrench, and rack. Provides everything for secure, repeatable clamping.
• 7/16-INCH T-SLOT COMPATIBILITY: Fits standard 7/16" T-slots on Bridgeport-type mills and many worktables. Ensures precise alignment and tight fit for reliable fixture positioning and maximum holding power during milling, drilling, or setup operations.
• FORGED ALLOY STEEL CONSTRUCTION: All components are made from high-strength alloy steel and heat-treated for durability and dimensional stability. They withstand vibration and impact while maintaining smooth threads and secure engagement over years.
• CORROSION-RESISTANT FINISH & RACK STORAGE: Each piece is precision-finished with protective coating for rust resistance and smooth operation. It has compact metal storage rack keeping studs, nuts and clamps organized for quick setup and efficient workflow
• VERSATILE APPLICATION FOR PRECISION SETUPS: Perfect for securing vises, fixtures and workpieces during milling, boring, tapping, machining. A shop essential for toolmakers, fabricators and technicians needing accuracy, safety and repeatable workholding.