RUKO HGB DIN 2181 HSS 60° 5/16x24 UNF strojný závitník

Machine tap for cutting UNF threads with a 5/16 inch diameter and 24 threads per inch. Made from high-speed steel and compliant with DIN 2181, it features a 60° thread flank angle and a bright finish.

Advantages

High-speed steel provides durability and wear resistance. The 60° flank angle ensures accurate thread form. Form B lead chamfer with 3.5-5 threads is suitable for through holes.

Suitable for

• Cutting UNF threads in through holes
• Use with machine or hand tapping

Key specifications

• Thread type: UNF
• Nominal diameter: 5/16 inch (7.9375 mm)
• Threads per inch: 24
• Material: High-speed steel
• Standard: DIN 2181
• Thread flank angle: 60°
• Lead chamfer form: Form B (approx. 3.5-5 threads)
• Cutting direction: Right-hand
• Surface finish: Bright
• Shank type: Parallel shank with square drive
• Overall length: 70 mm
• Thread length: 22 mm
• Shank diameter: 6.3 mm
• Square drive size: 5 mm
• Thread tolerance class: 2B
• Number of flutes: 3
• Thread pitch: 1.058 mm

Recommendations

Use appropriate tapping fluid and ensure proper alignment for best results.