ITEM NAME:SN9F HSS M3 M4 M5 M6 M8 M10 M12 Straight Fluted Screw Tap Metric Hand Tap Product Description Description: Item specifics DIY Supplies: Metalworking Model Number: M3-M12 Number of Pieces: 7pcs Features: 100% Brand New and High Quantity. High hardness, fast cutting, wear high temperature. Screw Tap straight flute tip M3-M12 Spiral pointed tap for threading a circular tube,down rows of pins Spiral pointed tap also called POT Titanium surface of the product,so it's call higher accuracy,and more durable Suitable for processing of stainless steel and ordinary steel Specifications: Color: As the pictures show Material:HSS Size: 3mm,4mm,5mm,6mm,8mm,10mm,12mm Surface treatment: Titanium coated Included: 7XÂ Straight Fluted Screw Tap.Included: 7X Straight Fluted Screw Tap. Screw Tap straight flute tip M3-M12. Spiral pointed tap for threading a circular tube,down rows of pins. Color: As the pictures show. Titanium surface of the product,so it's call higher accuracy,and more durable.