Six-Segmented Nut Die | Cold Heading Nut Dies with 6-Piece Carbide Insert

High-performance six-segmented tungsten carbide nut dies engineered for multi-station cold heading and high-speed cold forming of standard and heavy hex nuts.

Design Advantages of 6-Piece Segmented Carbide Inserts:

• Stress Relief & Crack Resistance: The 6-segmented carbide insert design effectively disperses intense radial expansion stresses during cold forging, preventing premature core cracking common in solid carbide dies.
• Extended Tooling Life: Superior impact resistance and fatigue strength significantly increase stroke life between tool changes, reducing production downtime.
• Precision Hex Geometry: Precision-ground segment faces ensure razor-sharp hex corners, consistent dimensional accuracy, and smooth part ejection.

Key Specifications & Features:

• Premium micro-grain tungsten carbide inserts shrink-fitted into high-strength alloy steel die cases.
• Laser-etched part numbers and station identifiers for easy traceability and fast changeovers.
• 100% optical inspection and dimensional verification before shipment.
• Customizable for cold header models (e.g., SACMA, National, BOYU, Chun Zu) and nut standards (DIN, ISO, ANSI/ASME, JIS).

Custom Engineering: Hengfa designs and produces custom cold heading dies and punches tailored to your fastener drawings. Contact our engineering team for technical consultation and fast quotes.