Draper 40891 Metric Tap and HSS Drill Set 28 Pieces

This all-in-one Draper Metric Tap and HSS Drill Set includes seven taps (taper, secondary, and bottoming) and seven high-speed steel drills, making it suitable for a range of drilling and threading tasks in metalworking, woodworking, and plastic projects. The taps are designed for precise threading, while the HSS drills provide durability and efficiency. The set is organized in a sturdy case with a display sleeve for easy storage and access, and it is manufactured to standard specifications for reliable performance.

Usage

Use appropriate drill bits and tapping tools for each size. Ensure the material is properly secured before drilling or threading. Taps are manufactured to DIN 371 and DIN 376, and HSS drills to DIN 338 and ISO 235/1. Follow installation steps with care to achieve accurate threads and clean holes.

Technical specifications

• Tap sizes: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5, M12 x 1.75
• Secondary and bottoming taps: 3 x 0.3, 4 x 0.7, 5 x 0.8, 6 x 1.0, 8 x 1.25, 10 x 1.5, 12 x 1.75
• HSS drill sizes: 2.5 mm, 3.3 mm, 4.2 mm, 5.0 mm, 6.8 mm, 8.5 mm, 10.2 mm
• Drills standards: DIN 338, ISO 235/1
• Taps standards: DIN 371, DIN 376
• Includes a storage case with display sleeve for organization