63mm Machine Tap Bit HSS-E M4x3.30mm Pitch 0.70mm ISO2 Tolerance, Hex Shank 6.3mm - VÖLKEL GmbH

Take advantage of the combination of HSSE cutting material, a secure HexDrive 6.3 mm (1/4") hex shank and ISO-precision threads to maintain consistent, high-quality tapping in production. Order the VÖLKEL machine tap bit directly via Metav Werkzeuge or ask our consultants if needed.

VÖLKEL machine tap bit HSSE M4 × 3.30 mm — HexDrive 6.3 mm (1/4") shank, Form B

VÖLKEL machine tap bit HSSE M4 × 3.30 mm is a machine tap bit for metric ISO threads, engineered for through-hole tapping in unalloyed and low-alloy steels and other machinable materials up to 900 N/mm².

• HSSE cutting material for extended tool life
• HexDrive 6.3 mm (1/4") hex shank for secure drive
• ISO2 (6H) tolerance for precise metric threads
• Through-hole chamfer for smooth chip evacuation

Consistent thread quality through robust cutting material

The tap bit is manufactured from HSSE (cobalt-alloyed high-speed steel), a material chosen for its combination of hardness and toughness. This composition improves wear resistance and thermal stability during serial tapping, which translates into fewer tool replacements and more predictable cycle times. The tool is specified for machining tasks in materials up to 900 N/mm², including unalloyed and low-alloy steels, and delivers ISO2 (6H) tolerance for M4 threads to ensure reliable interchangeability with standard fasteners. Explaining the technical term: ISO2 (6H) denotes a tighter tolerance band for internal threads, which reduces the risk of loosening and improves assembly accuracy.

Secure drive and dimensional stability for production environments

Equipped with a HexDrive 6.3 mm (1/4") hex shank, the bit provides positive engagement with chucks and quick-change holders, reducing slippage under higher torque and enabling consistent angular alignment. The Form B geometry adds stability during axial loading, while the overall 63 mm length gives the reach required for many machine-tool setups without sacrificing rigidity. The declared thread pitch 0.70 mm and nominal thread depth (M4 × 3.30 mm) are matched to standard fastening practice, meaning fewer rejects and less rework on the shop floor. These mechanical advantages support faster tool changes and predictable process behaviour in automated or semi-automated tapping stations.

Chip control and standard compliance to keep lines running

The bit features a chamfer optimised for through-hole tapping, designed to promote smooth chip formation and evacuation; this reduces the risk of chip jamming and improves surface integrity of the component thread. Conforming to the WN (DIN 371) standard and produced as Form B, the geometry balances cutting performance and chip breaking, making the tool suitable for general-purpose machining in workshop and production contexts. The combination of geometry and HSSE material contributes to longer tool life and reduced downtime, supporting higher overall equipment effectiveness (OEE) and lower per-thread production costs.

For precision, reliability and production continuity, choose the VÖLKEL HSSE machine tap bit and contact Metav Werkzeuge for ordering and technical consultation at info@metav-werkzeuge.com or +49 2822 7131930

Technical Data

• Article number: 4000868073NW
• Manufacturer: VÖLKEL GmbH
• Packaging unit: 1

Data

• Length: 63 mm
• Shank: 6.3 mm (1/4") hex
• Thread: M4 × 3.30 mm
• Pitch: 0.70 mm
• Tolerance: ISO2 (6H)
• Cutting material: HSSE

Special features

• Form: Form B
• Standard: WN (DIN 371)
• Chamfer: through-hole chamfer for chip evacuation
• Drive type: HexDrive
• Application: general use in machinable materials up to 900 N/mm²; unalloyed and low-alloy steels

FAQ

What materials is this tap bit suitable for?
The VÖLKEL machine tap bit is designed for general machining in materials up to 900 N/mm², particularly unalloyed and low-alloy steels, where the HSSE cutting material provides resistance to wear and thermal stress.

Is the shank compatible with quick-change holders and power tools?
Yes; the HexDrive 6.3 mm (1/4") hex shank ensures secure engagement with quick-change holders and many power-tool chucks, minimising slippage during high-torque tapping.

Which standard and form does the tool comply with?
The tool is produced to WN (DIN 371) as Form B, which defines the geometry suitable for reliable through-hole tapping and consistent thread quality.

How precise are the threads produced by this bit?
Threads are produced to ISO2 (6H) tolerance for the M4 size, offering a tighter internal thread tolerance and improved interchangeability with standard bolts and fasteners.

Can this tap bit be used in automated production lines?
The combination of a HexDrive shank for secure drive, HSSE material for durability and a through-hole chamfer for improved chip evacuation makes the bit well suited to automated and semi-automated tapping processes.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com