Features Premium Alloy Tool Steel Material: The M30 hand screw tap adopt premium alloy tool steel material, higher accuracy, and more durable. Wide Application: The M30 hand threading tap is suitiable for processing iron, steel, copper,aluminum, die steel and stainless steel. Excellent Performance: The The M30 hand screw taps have a good applicability, stability, processing efficiency, life expectancy and so on. High Wear Resistance: The straight flute tapping drilling tools has high hardness, high wear resistance, for stainless steel, iron and other drilling. Practical Tools: The hand screw tap tools can improve the efficiency of processing thread, a necessary tool for hand tapping operation. Specification: Item Type: Hand Tap Material: Alloy Tool Steel Model: M30 Scope of Application: Hand Use Tap Style: Straight Flute System: Metric Package List: 4 x Hand Tap Package List 4 x Hand Tap