Dormer E501 HSS Metric Coarse LEFT Hand Tap M4 Second

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Dormer E501 HSS Metric Coarse LEFT Hand Tap M4 Second

This Dormer E501 left-hand tap is engineered for professional-grade threading where reverse rotation is required. Ideal for creating or repairing left-hand threads in nuts, bolts, or threaded holes, it delivers precise, clean cuts in a wide range of materials. The M4 second cut design offers a balanced approach between material removal and thread finish, making it a reliable choice for maintenance, toolmaking, and bespoke engineering applications.

- High-speed steel (HSS) construction for durability and consistent cutting performance

- Metric coarse (standard pitch) thread profile suited to general engineering tasks

- Left-hand thread direction for use in applications such as left-handed fasteners or locking mechanisms

- M4 diameter and second cut (intermediate) geometry for efficient material removal with good surface finish

- Manufactured by Dormer, a trusted name in cutting tools, ensuring tight tolerances and long service life

- Ground flutes and relieved threads for reduced friction and improved chip evacuation

- Suitable for manual or machine tapping in steel, aluminium, brass, and other non-ferrous alloys

Whether you are restoring vintage machinery or performing a critical repair, this tap provides the accuracy and strength required for reliable left-hand threading.

GTIN: 7320760095072