Projahn Machine Tap HSS-Co DIN 371 M4| 940401

The Projahn Machine Tap HSS-Co DIN 371 M4 is a high-precision tool designed for creating metric ISO threads according to DIN 13 standards. Crafted from high-speed steel with cobalt (HSS-Co), this machine tap ensures enhanced durability and cutting performance, especially suitable for tough materials like steels, cast iron, non-ferrous metals, and stainless steels. Its spiral point and chamfer form B enable easy initial cutting and smooth operation. The tool’s design features a reinforced shank for added stability and a large oil groove for effective lubrication during use.

Specifications & Features:

• Material: HSS-Co (High-Speed Steel with Cobalt)
• Standard: DIN 371
• Thread Type: Metric ISO
• Thread Size: M4
• Thread Depth: 13 mm
• Core Hole Diameter: 3.3 mm
• Chamfer Form: B with spiral point (4-5 pitch chamfer)
• Tolerance: ISO 2 (6H)
• Length: 63 mm
• Shank Diameter: 4.5 mm
• Square Shank: 3.4 mm
• Usage: Suitable for steels, cast iron, non-ferrous metals, and stainless steels
• Coating: Blank (uncoated)
• Design Features: Profile-ground with thread relief, large oil groove

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