HFS® 58-Piece 5/8-in T-Slot Hold Down Clamp Kit for Bridgeport Mills (5/8-in Slot, 1/2-13 Stud)

Overview

The HFS 58-piece T-slot hold down clamp kit is a comprehensive workholding solution designed for milling setups on Bridgeport-style machines and similar equipment. With a 5/8-in T-slot and 1/2-13 studs, this kit brings together a complete set of clamps, blocks, and fasteners in a portable storage case. The arrangement is built to endure demanding shop environments while maintaining dependable clamping performance across a variety of projects.

What makes this kit stand out

Crafted from high-quality tool steel and heat-treated for longevity, the components are engineered to resist bending and wear during repeated clamps and releases. The design emphasizes reliable contact, precise alignment, and easy handling—from installation to removal—so you can set up ahead of time and start machining with minimal downtime.

Included components

• TN-0212 T-nuts (as listed) for secure, repeatable mounting
• Step clamps in multiple sizes: 25S-12, 40S-12, 60S-12 (2 pcs of each)
• Step blocks: STB-1, STB-2, STB-3 (2 pcs of each)
• All parts come packaged in a sturdy storage case with dedicated compartments

Durability and ease of use

Machined from robust tool steel and heat-treated, the kit delivers consistent clamping strength across jobs. The components are designed for quick installation and removal, helping you reduce setup time and keep workpieces firmly in place during milling operations.

Real-world applications

• Secure aluminum plates, steel blocks, or other workpieces for pocket milling and contouring
• Hold multiple parts in sequence for repeatable passes without reconfiguring the setup
• Prepare quick-change fixtures for small-batch production or prototype work

Storage and organization

The included storage case keeps clamps, blocks, and fasteners neatly organized when not in use, reducing search time and protecting components from damage in busy shops.

While no tool can guarantee results, this kit is designed to offer predictable performance, helping you create stable, accurate fixtures with a straightforward workflow. It’s a practical option for shops that value durability, organization, and ease of use in day-to-day milling tasks.