Somta Somta Series 551 - HSS Short Hand Tap 5/8" UNF Second (Intermediate)

SOMTA 5511912 – UNF Short Hand Tap 3/4

The SOMTA 5511912 is a high-performance short hand tap designed for precision threading in general-purpose applications. Manufactured to ISO 529 standards, this high-speed steel (HSS) tap is suitable for UNF threads and features a 60o flank angle thread profile. Its straight flute geometry supports efficient chip removal, making it ideal for both through-hole and blind-hole tapping in a variety of materials. Engineered for right-hand cutting, this tap is optimized for manual hand tapping, delivering consistent, clean threads with reliability and accuracy.

• UNF Thread Form – Unified Fine Thread suitable for precision fastening applications.
• ISO 529 Compliance – Ensures dimensional accuracy and international compatibility.
• High-Speed Steel (HSS) – Provides excellent strength, wear resistance, and tool life.
• Straight Flute Design – Ideal for general tapping operations with good chip evacuation.
• 60o Flank Angle Thread Profile – Standard for UNF threading, delivering strong and precise threads.
• ISO 2 / 2B Tolerance – Suitable for most general-purpose internal threading applications.
• Right-Hand Cutting – Compatible with conventional clockwise tapping operations.
• Manual Tapping – Specifically designed for hand use in workshop or maintenance settings.
• Versatile Hole Compatibility – Effective in both blind and through-hole conditions.
• General Purpose Use – Ideal for manufacturing, assembly, repair, and industrial environments.

• Part No: 5511912
• Thread Size: 3/4 UNF
• Standard: ISO 529
• Thread Form: Unified Fine Thread (UNF), 60o Flank Angle
• Tolerance: ISO 2 / 2B
• Material: High-Speed Steel (HSS)
• Flute Type: Straight Flute
• Cutting Direction: Right-Hand
• Application: General-Purpose Tapping (Through & Blind Holes)
• Operation Type: Hand Tapping Only

• Precision Ground Threads – Delivers accurate and reliable tapping results every time.
• Durable HSS Construction – Withstands repeated use in tough materials and hand operations.
• Universal Application – Perfect for technicians, fabricators, and maintenance professionals needing dependable threading tools.