طقم مثقاب معدني من القصدير عالي السرعة مكون من 5 قطع ألوان متعددة

نظرة عامةThe drills for metal are made of rapid steel Р4М4Х2 and have nitride titan coating. The surface of the drill features increased hardness and reduced friction factor which considerably increases operational properties of the tool (nitride titan coating increases durability of the tool 2–2.5 times). The six-plane shank prevents turning of the drill in the chuck. The set includes the drills for metal of the most common sizes. The set is packaged in an unbreakable polypropylene case. The drill set is compact , and easy to carry . It is ideal for impact drilling and reduces the manual effort instantly.Rust resistant: steel is an excellent resistor against oxidization , hence the product is highly anti corrosive.Durable :The product is made fromsteel , which gives it strength and durability.