M8x1.25mm Machine Tap DIN 371B VA HSS-Co TiCN Coated ISO2 (6H) Through Hole, 8mm Shank - TECWERK

Reliable M8×1.25 metric threading, TiCN‑coated HSS‑Co construction and a straight‑flute Form B geometry ensure consistent tapping performance in stainless and heat‑resistant steels up to 1000 N/mm²; order the machine tap directly via Metav Werkzeuge or consult our specialists for application advice.

TECWERK Machine Tap DIN 371B M8×1.25 HSS‑Co TiCN (Form B, VA)

The TECWERK Machine Tap DIN 371B M8×1.25 is a straight‑flute machine tap engineered for through‑hole metric threading in stainless, acid‑ and heat‑resistant steels.

• HSS‑Co base material with TiCN coating
• Form B, straight flute for stable chip control
• ISO metric M8×1.25, tolerance field 6H
• Suitable for stainless and heat‑resistant steels

Consistent metric threading for reliable production

The combination of HSS‑Co substrate and TiCN coating delivers a balance of toughness and surface hardness that benefits serial tapping operations. The tool follows DIN 371B and the thread form complies with DIN 13 Sheet 1, producing an M8×1.25 ISO metric thread with ISO2 (6H) tolerance for standard internal fits. This construction reduces the likelihood of thread rejection and rework, contributing to more predictable cycle times on batch work. The blue identification ring and the shaft Ø 8 mm permit straightforward integration into existing collets and holders, while the cobalt‑alloyed core supports stability under intermittent higher cutting loads.

Geometry and coating that enhance chip control and tool life

The Form B design with straight flute geometry and chamfered flanks improves entry behaviour and chip formation when machining through holes. A dedicated chip‑clearing chamfer for through‑hole threads promotes uninterrupted evacuation of chips, which is particularly important when working with stainless and acid‑resistant alloys that tend to work‑harden. The TiCN surface coating lowers friction and heat generation at the cutting edge, which helps to reduce built‑up edge and extend tool life without changing machine settings. Together, these features enable consistent surface finishes and dimensional accuracy, making the tool suitable for applications where repeatability and thread integrity are priorities.

Practical application, handling and material guidance

This machine tap is intended for use in production and workshop environments where stainless, acid‑ and heat‑resistant steels with tensile strengths up to 1000 N/mm² are machined. The combination of coating and geometry supports both manual tapping heads and automated tapping cycles; ensure the tool is mounted in a rigid holder matched to the 8 mm shank. Use of appropriate cutting fluid and correct clamping of the workpiece will further reduce heat and improve chip removal. The tolerance 6H ensures compatibility with common mating parts; the straight‑flute form works well for through‑hole threads where chips can be expelled forward. For integration into procurement workflows, Metav Werkzeuge provides product data and availability to assist in selecting the right specification for a given production requirement.

Contact Metav Werkzeuge today for availability and tailored technical advice on the TECWERK machine tap M8×1.25; email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 2000867520NW
• Product label: Machine tap DIN 371B VA M8×1.25 mm HSS‑Co TiCN 6H, TECWERK
• Manufacturer: TECWERK
• Packaging unit: 1

Facts

• Thread: M8×1.25 mm
• Tolerance field: ISO2 (6H)
• Shank diameter: 8 mm
• Suitable up to: 1000 N/mm² tensile strength
• Standard: DIN 371B; reference DIN 13 Sheet 1
• Packaging unit: 1

Special features

• Material: HSS‑Co (cobalt high‑speed steel)
• Coating: TiCN
• Form: Form B, type VA
• Flute: straight fluted
• Chip clearance: chip‑clearing chamfer for through‑hole threads
• Additional: chamfered flanks, blue ring identification
• Application: stainless, acid‑ and heat‑resistant steels
• Shaft Ø: 8 mm

FAQ

Is this tap suitable for stainless steel and heat‑resistant alloys?
Yes. The TECWERK machine tap is specified for stainless, acid‑ and heat‑resistant steels up to 1000 N/mm² tensile strength and is configured to manage the work‑hardening tendencies of those materials.

Which thread standard and tolerance does it comply with?
The tool produces an ISO metric M8×1.25 thread in accordance with DIN 371B and DIN 13 Sheet 1, with a tolerance field of ISO2 (6H) for standard internal fits.

What are the benefits of the TiCN coating on this tap?
The TiCN coating on the TECWERK tap reduces friction and heat at the cutting edge, improving resistance to built‑up edge and extending tool life when machining demanding alloys.

What shank size is required and how should it be clamped?
The tap has a shaft diameter of 8 mm and should be mounted in a rigid collet or holder suitable for an 8 mm shank to ensure axial stability during tapping cycles.

Is the geometry suited for through‑hole threads?
Yes. The straight‑flute Form B geometry and the chip‑clearing chamfer are designed specifically for through‑hole threads to promote reliable chip evacuation.

Manufacturer/Responsible: NORDWEST Handel AG, Robert‑Schuman‑Straße 17, 44263 Dortmund