Dormer E501 HSS Metric Coarse LEFT Hand Tap M20 Plug

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Dormer E501 HSS Metric Coarse LEFT Hand Tap M20 Plug

For applications that require reverse-direction threading, this Dormer E501 left-hand tap delivers the precise, reliable performance demanded by professional engineers and machinists. Designed specifically for creating left-hand (counter-clockwise) threads in metric coarse M20 sizes, it allows you to produce accurate internal threads where standard right-hand taps cannot be used, such as in locking mechanisms, rotating assemblies, or safety-critical fastenings. The high-speed steel construction offers excellent wear resistance and cutting efficiency across a range of materials, including steel, cast iron, and non-ferrous alloys.

- Precision-ground HSS ensures sharp, consistent cutting edges for clean thread profiles

- Left-hand spiral design directs chips upward and out of the hole, reducing clogging

- Metric coarse thread form conforms to ISO standards for secure, repeatable fits

- Plug style provides a medium-length chamfer, ideal for through-hole and blind-hole applications

- Suitable for manual and machine tapping operations with proper lubrication

- Durable tempering process extends tool life even under repeated use

Whether you are maintaining legacy equipment or fabricating custom components, this Dormer E501 tap offers the quality and dependability you can trust for every left-hand threading job.

GTIN: 7320760095034