80209 Tap & Drill Set, HCS/HSS, #4 X 40 National Course

The Irwin 80209 Tap and Drill Set is a complete hand-threading solution for routine maintenance, repair work, and rethreading applications where standard accuracy and tolerance are required. This combination set pairs a high-carbon steel plug tap with a high-speed steel drill bit, making it ideal for both professional mechanics and DIY enthusiasts who need reliable threading tools for general-purpose work.

The set produces a strong, easy-to-tap thread suitable for a variety of materials. The high-speed steel drill bit ensures fast, precise drilling in wood, metal, and plastic, while the high-carbon steel tap features straight flutes ground for rapid chip removal and efficient threading. These hand-threading taps are perfect for applications where high precision is not critical but consistent results matter.

Features and Benefits

• Complete Threading Solution: Includes both tap and #43 drill bit in one set, eliminating the need to purchase components separately.
• High-Speed Steel Drill Bit: Provides fast, precise drilling performance across wood, metal, and plastic materials.
• High-Carbon Steel Tap: Designed for hand-cutting applications, producing strong threads that are easy to tap.
• Efficient Chip Removal: Straight flutes are ground to remove chips rapidly during threading, reducing labor and improving results.
• National Course Thread: #4 x 40 National Course sizing suits general-purpose threading needs in routine maintenance and repair work.

Specifications

• Brand: Irwin
• Model: 80209
• Thread Size: #4 x 40 National Course
• Tap Material: High-carbon steel plug tap
• Drill Bit Material: High-speed steel (HSS)
• Drill Bit Size: #43
• Application: Hand-threading in general-purpose applications