<p>PROJAHN HSS-Co step drill bit, 4-20 mm, with spiral flute. Perfect for precise drilling and deburring in various materials like sheet metal and plastics.</p>
<p>INGCO's AKSDS06381 step drill bit is made from high-speed steel with a titanium coating. Its size range of 6-38mm makes it ideal for versatile drilling tasks across various materials.</p>
<p>The INGCO AKSDS10201 is a high-speed steel step drill bit with a titanium coating, ideal for smooth and efficient drilling in materials like plastic, aluminum, copper, and stainless steel. Size range: 10-20mm.</p>
<p>The INGCO AKSDS06351 step drill bit, crafted from high-speed steel with a titanium coating, offers a size range of 6-35mm. It's perfect for precise and efficient drilling in various materials.</p>