This professional 2-piece set includes a high-speed steel plug hand tap and a matching black oxide drill bit for precise threading. Designed for versatility, these tools are ideal for production, maintenance, or portable drilling across a wide range of iron and steel materials.

• Complete 2-piece set includes one high-speed steel plug hand tap and one matching 4.20 mm HSS drill bit.
• Versatile plug-style hand tap is suitable for general machine tapping, CNC tapping, and through-hole applications.
• Black oxide treated drill bit provides abrasion resistance and reliable performance in iron and steel families.
• High-speed steel construction ensures durability for production, maintenance, or portable drilling jobs.
• Conveniently organized and protected in a compact plastic pouch.