RUKO HGB-TX-DIN352-HSS-M8x1.25mm Hand Tap Set, Metric Coarse Thread, 3-Piece, HSS, Bright Finish

Precision-ground M8 x 1.25 mm hand tap set in high-speed steel, engineered for clean, accurate threads in unalloyed and low-alloyed steels up to 900 N/mm².

Overview

The RUKO HGB-TX-DIN352-HSS-M8x1.25mm is a three-piece hand tap set for cutting metric coarse threads to DIN 352. The set includes taper, second, and bottoming taps, each with a right-hand cutting direction and ISO 2 (6H) tolerance class. Manufactured from bright-finished high-speed steel (HSS), these taps deliver reliable performance in steel, cast iron, and non-ferrous metals.

What stands out

• Complete set: taper, second, and bottoming taps for through and blind holes.
• DIN 352 standard ensures consistent geometry and interchangeability.
• HSS construction withstands high cutting temperatures and maintains edge sharpness.
• Bright finish reduces friction and improves chip evacuation.
• Square drive shank for secure grip in tap wrenches.

Technical details

• Thread standard: Metric coarse thread
• Nominal diameter: M8
• Thread pitch: 1.25 mm
• Tap standard: DIN 352
• Material: High-speed steel (HSS)
• Number of taps: 3 (taper, second, bottoming)
• Cutting direction: Right-hand
• Tolerance class: ISO 2 (6H)
• Recommended core hole diameter: 6.8 mm
• Application materials: Unalloyed and low-alloyed steels, cast iron, non-ferrous metals
• Max. material hardness: 900 N/mm²
• Surface finish: Bright (uncoated)
• Shank type: Square drive
• Total length per tap: 70 mm
• Shank diameter per tap: 6 mm
• Drive square size per tap: 4.9 mm

Our verdict

A professional-grade tap set that meets DIN 352 standards, ideal for workshops requiring accurate M8 threads in a variety of materials.