RUKO MGB-DIN371-HSS-TiN-60°-M2.5x0.45mm Machine Tap

Tapping small metric threads in tough materials often leads to premature tool wear and poor thread quality. The RUKO MGB-DIN371-HSS-TiN-60°-M2.5x0.45mm machine tap solves this with a titanium nitride coating that reduces friction and extends tool life, while the precision-ground HSS body ensures clean, accurate threads in through and blind holes.

Who is it for

Machinists and manufacturers who need reliable thread production in unalloyed and alloyed steels, cast iron, and non-ferrous metals up to 800 N/mm² tensile strength.

Main features

• Metric ISO thread M2.5 × 0.45 mm with tolerance class ISO 2 (6H)
• High-speed steel (HSS) with titanium nitride (TiN) coating for wear resistance
• DIN 371 standard with Form C lead-in chamfer (2-3 threads) for easy starting
• Right-hand cutting direction with 3 flutes for efficient chip evacuation
• Overall length 50 mm, thread length 11 mm, shank diameter 2.8 mm

Specifications

• Product type: Machine tap
• Thread standard: Metric ISO thread (M)
• Nominal thread diameter: 2.5 mm
• Thread pitch: 0.45 mm
• Tool material: High-speed steel (HSS)
• Surface coating: Titanium nitride (TiN)
• Manufacturing standard: DIN 371
• Tolerance class: ISO 2 (6H)
• Lead-in chamfer: Form C (2-3 threads)
• Cutting direction: Right-hand
• Overall length (l1): 50 mm
• Thread length (l2): 11 mm
• Shank diameter (d2): 2.8 mm
• Square drive size (k): 2.1 mm
• Number of flutes: 3
• Application type: Through and blind holes
• Suitable materials: Unalloyed and alloyed steels, cast iron, non-ferrous metals
• Max tensile strength (material): Up to 800 N/mm²

Tips

Use a suitable cutting fluid to further extend tool life and improve thread finish. Ensure proper alignment and feed rate to avoid tap breakage in small diameters.