Product Introduction
The Grewin HSSE Spot Drill 90° is engineered for precision center drilling and chamfering in CNC machining and lathe operations. Made from premium HSSE cobalt high-speed steel, it ensures high rigidity, accurate positioning, and extended tool life during spot drilling, centering, and edge-breaking tasks on steel, stainless steel, and alloys.
Product Features
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HSSE Cobalt Material – Enhanced heat resistance and durability
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90° Point Angle – Ideal for precise centering and chamfer preparation
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Short & Rigid Design – Minimizes deflection and improves drilling accuracy
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Ground Cutting Edges – Ensures clean starts and consistent performance
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CNC & Lathe Compatible – Suitable for machining centers, turning centers, and drills
Application Scenarios
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Center drilling before deep hole or precision boring operations
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Spotting and chamfering in automotive and aerospace parts
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Preparing workpiece edges for threading and tapping processes
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Tool and die making, mold machining, and fixture setup
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General machining and maintenance tasks in workshops
