MAYKESTAG Speeddrill 4.0-Inox HPC Solid Carbide Stub Drill 7.7mm 3xD

Maykestag Speeddrill 4.0-Inox HPC Solid Carbide Stub Drill 7.7mm 3xD

Professional 7.7mm HPC solid carbide stub drill from the Maykestag Speeddrill 4.0-Inox range, manufactured to DIN 6537K with a short 3xD drilling depth, four guide chamfers, internal coolant supply, 140° point geometry and NANODUR coating.

The Maykestag Code 6887 Speeddrill 4.0-Inox is a high-performance solid carbide drill designed for precise, controlled drilling in demanding steels and stainless steels. Its short 3xD configuration provides a rigid drilling setup, while four guide chamfers support stable guidance of the drill in the bore. Internal coolant channels deliver cutting fluid directly towards the cutting zone, helping with cooling and chip evacuation during suitable machine-drilling applications.

Product highlights

• Solid carbide construction: VHM solid carbide provides high rigidity, dimensional stability and wear resistance for professional drilling applications.
• Speeddrill 4.0-Inox: High-performance drilling geometry developed for demanding steel and stainless-steel applications.
• Short 3xD design: Designed for drilling depths up to three times the drill diameter while maintaining a rigid tool configuration.
• Four guide chamfers: Four guiding surfaces support stable drill guidance and controlled bore production.
• Internal coolant supply: Integrated coolant channels direct cutting fluid towards the cutting zone for effective cooling and chip evacuation.
• NANODUR coating: Maykestag NANODUR surface coating supports wear resistance and cutting performance under suitable machining conditions.
• 140° point angle: Precision point geometry designed for controlled penetration and stable cutting.
• Type N geometry: Standard cutting geometry specified for the Code 6887 Speeddrill 4.0-Inox range.
• DIN 6537K: Manufactured to the dimensional specification for short solid carbide drills.
• DIN 6535-HA shank: Cylindrical HA shank configuration for secure and accurate tool holding.

Designed for High-Performance Drilling

The Speeddrill 4.0-Inox geometry combines a rigid short-series construction with four guide chamfers to help stabilise the drill as it enters and travels through the workpiece. Internal coolant channels supply coolant directly through the tool, supporting temperature control and chip removal from the cutting zone. Together with its solid carbide construction, NANODUR coating and 140° point geometry, the Code 6887 is designed for productive and accurate drilling across its recommended steel and stainless-steel applications.