Machine Screw Tap, Plug Style, 4-40 National Coarse

Discover the 4‑40 plug‑style machine screw tap, engineered for flawless hand‑driven thread cutting. Crafted from hardened alloy, this tap delivers razor‑sharp, consistent threads while maintaining a comfortable grip for precise control. Its compact plug design fits tight spaces, making it ideal for a wide range of fastening projects.

Why choose this tap? The heat‑strengthened and temper‑treated construction guarantees long‑lasting performance, reducing wear even after extensive use. Its fine‑cut thread geometry ensures exact dimensions, helping you achieve professional‑grade results without the need for power tools.

• Heat‑strengthened alloy: Provides hardened thread surfaces that resist deformation, extending tool life for demanding applications.
• Temper‑treated finish: Enhances durability and maintains cutting sharpness, delivering consistent results over many cycles.
• Plug‑style configuration: Offers three to five chamfered threads for smooth entry and reduced breakage during hand operation.
• Precision‑cut threads: Guarantees exact 4‑40 coarse pitch, ensuring tight, reliable connections in metal, plastic, or composite materials.
• Optimized for hand use: Ergonomic profile allows effortless control, perfect for repairs, prototypes, and on‑site installations.

Elevate your fastening toolkit: This 4‑40 tap combines rugged construction with meticulous engineering, delivering a dependable solution for any hand‑cut threading need. Whether you’re assembling machinery, fabricating prototypes, or performing maintenance, its dependable performance and extended lifespan make it a must‑have accessory for professionals and hobbyists alike.