Dormer E651 UNC Spiral Flute Tap & Drill Set 5/16 UNC Sprial Flute

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Dormer E651 UNC Spiral Flute Tap & Drill Set 5/16 UNC Spiral Flute

This 5/16 UNC spiral flute tap and drill set offers a precise, reliable solution for creating threads in this popular intermediate size, making it ideal for general engineering and maintenance tasks. The spiral flute design efficiently clears chips upwards during tapping, reducing the risk of breakage and ensuring clean, accurate threads even in blind hole applications. Each set provides the correct drill bit diameter (6.6 mm) for the tap, saving you time and guesswork when setting up.

- High-speed steel construction for durability and long tool life

- Spiral flute geometry promotes excellent chip evacuation in blind holes

- Ground thread tap for accurate, consistent thread form

- Includes matching HSS drill bit for the correct tapping hole size

- Suitable for use in steel, cast iron, and non-ferrous materials

- Dormer brand quality with precision-ground cutting edges

- UNC thread form for compatibility with standard American fasteners

Ideal for both professional engineers and keen DIYers, this set delivers dependable thread cutting performance in a single, convenient pack.

GTIN: 7320760273241