Drillco 4″-8 HSS Taper Tap (25A464T)

Description

Drillco 25A464T 4″-8 HSS Taper Tap – 2500 Series is specially designed for large-diameter threading applications in demanding environments such as oil fields, gas exploration, and power generation plants. This 8-pitch taper tap features a gradual taper to help start threads easily and accurately in deep or through holes. Crafted from premium grade high-speed steel (HSS) and treated with a black oxide finish, it offers excellent durability and extended tool life. The spiral flute design efficiently pulls chips out of the hole, preventing damage to threads, while the reduced neck provides improved clearance in deeper holes. Made in the USA, this tap is built for reliability and superior performance in industrial settings.

Features:

• Large 4″-8 thread size suitable for heavy-duty industrial use
• Made from premium grade high-speed steel (HSS) for long-lasting performance
• Spiral flutes designed to evacuate chips and protect threads
• Black oxide surface treatment enhances wear resistance and tool life
• Reduced neck design for better clearance in deep hole tapping
• Available also in bottoming geometry for complete threading solutions

Benefits:

• Facilitates easier thread starting with gradual taper design
• Improves chip removal and reduces thread damage during tapping
• Provides durability in tough industrial applications
• Ensures better clearance in deep or hard-to-reach holes

Technical Specifications:

• Model: 25A464T
• Thread Size: 4″-8
• Tap Type: Taper Tap
• Material: Premium Grade High-Speed Steel (HSS)
• Surface Treatment: Black Oxide
• Flute Type: Spiral
• Series: 2500
• Country of Origin: USA