RUKO HGB-DIN352-HSS-60°-M33x3.50mm Hand Tap Set

Precision-ground M33 x 3.50 mm metric coarse thread hand tap set in high-speed steel, engineered for clean, accurate threading in through holes.

Overview

The RUKO HGB-DIN352-HSS-60°-M33x3.50mm is a three-piece hand tap set conforming to DIN 352, comprising rougher, second, and finisher taps. Made from bright high-speed steel (HSS) with a 60° thread angle, it delivers reliable performance in unalloyed and low-alloyed steels, malleable cast iron, and non-ferrous metals.

What stands out

• Complete set: rougher, second, and finisher taps for progressive thread cutting.
• DIN 352 standard ensures dimensional accuracy and interchangeability.
• Straight flutes with 4 flutes for efficient chip evacuation in through holes.
• Ground thread for precise thread form and smooth cutting.
• Right-hand cutting direction for standard threading operations.

Technical details

• Nominal thread diameter: M33
• Thread pitch: 3.50 mm
• Thread angle: 60°
• Total length (L1): 220 mm
• Thread length (L2): 60 mm
• Shank diameter (d2): 25.0 mm
• Square drive size (a): 20.0 mm
• Number of flutes: 4
• Tolerance class: ISO 2 (6H)
• Surface finish: Bright (uncoated)

Our verdict

A professional-grade hand tap set that delivers exact, clean threads in common materials, ideal for workshops and maintenance tasks.