The 12" Hard Jaws (60° Pitch) for Kitagawa Style Power Chucks – HJ Series (Vortex) HJ12-21 are precision components designed to deliver dependable workholding in Kitagawa-style power chucks. Ideal for heavy-duty turning and high-volume production, these jaws provide strong, repeatable clamping across a wide range of workpiece configurations.

Manufactured from premium-grade hardened steel, they resist wear to maintain grip and accuracy over many cycles. The 60° pitch design concentrates clamping force for secure, uniform contact, helping reduce runout and improve surface finish on challenging geometries.

• Durable hardened steel construction for long life: Built to withstand repetitive clamping in demanding environments, minimizing jaw replacement and downtime.
• 60° pitch geometry for strong, uniform grip: Delivers consistent clamping pressure across diverse workpiece shapes, reducing deformation and improving part quality.
• Kitagawa-style compatibility for quick setup and repeatable results: Drop-in fit with HJ-series chucks enables fast installation and dependable holding across production runs.

These jaws help you tighten tolerances faster, streamline setup, and sustain high-output performance. With secure gripping and durable construction, you’ll experience fewer part rejects and less rework, while enjoying reliable, repeatable results across shifts and operators.