Product Introduction
The Grewin HSSE Spiral Tap (DIN371/DIN376) is a cobalt-enriched high-speed steel tap designed for high-quality and efficient threading operations. Its unique spiral flute design effectively guides chips upward, preventing clogging in blind-hole applications and ensuring clean, complete threads. Ideal for tapping steel, stainless steel, and alloy materials where excellent chip evacuation and wear resistance are critical.
Product Features
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Premium Cobalt Material: Made from HSSE cobalt high-speed steel, significantly enhancing red hardness, wear resistance, and overall tool life.
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Efficient Spiral Chip Evacuation: Optimized spiral flute angle ensures smooth upward chip removal, reducing tap breakage risks and improving threading quality in deep or blind holes.
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High Precision & Consistency: Manufactured to DIN371/DIN376 standards, guaranteeing precise thread dimensions, consistent pitch accuracy, and reliable performance.
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Versatile Application Range: Suitable for a wide range of materials including structural steel, stainless steel (up to HRC 35), and non-ferrous alloys.
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Enhanced Durability: Advanced heat treatment and surface finishing processes ensure extended service life under demanding machining conditions.
Application Scenarios
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Threading blind holes in automotive components, machinery parts, and precision fittings.
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High-volume production of nuts, bolts, and fasteners in manufacturing workshops.
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Maintenance and repair tasks requiring reliable threading in constrained or deep-hole environments.
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Fabrication of stainless steel equipment, pipes, and structural assemblies in construction and industrial sectors.








