Add threads to your metalwork with this threading tap from Dormer. It's a versatile choice that you can control by hand or with a machine to create blind or through-holes. This product works with an array of materials, including cast iron, steel, copper, alloys and plastics, so there's no need to use separate tools for each one.

• Industry-standard M4 thread size for wide compatibility with fasteners
• HSS material withstands impact and wear, delivering long-term performance
• Pitch of 0.7mm for increased thread strength and stability

• Automotive manufacturing
• Construction sites
• Plumbing
• Repair and maintenance

Pitch is the distance that your screw travels after a single full turn. A shorter pitch indicates a stronger connection that's suited to more demanding applications.

ISO529

7777