Dormer Tap Set, 1/4 UNF Thread, Hand Tap

HSS straight flute hand tap for producing UNF threads in most materials.

Suitable for tapping repeatable tolerance threads in through or blind holes by hand or machine
7° cutting rake angle
Bright finish

Manufactured to ISO529.

Need help crafting precise threads on your workpieces? Go for this tap set from Dormer. It features three tools that rotate against surfaces to create a helical path for fasteners like bolts and screws. For versatility, you can use the taps in this set by hand or on a machine. Thanks to their HSS construction, they stand up to high heat and impact, making them fit for use in heavy-duty environments.

• Bright finish for improved resistance to corrosion
• Thread length of 13mm for improved holding power
• Cutting rake angle of 7° helps to get through tough materials

• Machine tooling
• Marine engineering
• Construction sites

The straight flute design provides space for efficient chip evacuation, helping to prevent heat build-up for smooth performance.

ISO529

Taper; Second; Plug

Engineering Taps - Straight Flute (Dormer)

Precision HSS taps to ISO529 designed to produce repeatable tolerance threads in most engineering materials. Suitable for medium/high rate production. All taps are to tolerance class 2, giving 6H fit (metric taps) or 2B fit (UNF & UNC taps)