Dormer Machine Tap Threading Tap M8 Thread Metric Standard Straight Flute HSS ISO 529 E500M8NO1

Dormer E500M8NO1 is a precision machine threading tap designed to create metric M8 standard threads with a pitch of 1.25mm in various engineering materials. Made from high-speed steel (HSS), this machine tap features a straight flute design that collects chips efficiently while threading both through and blind holes.

The tap has an overall length of 72mm and a shank diameter of 8mm. Its right-hand thread direction and compliance with ISO 529 standards ensure high-quality repeatable threads with a 6H tolerance class, suitable for demanding industrial and manufacturing applications.

With a 7° cutting rake angle and bright finish, this tap offers excellent cutting performance and resistance to corrosion. Dormer’s machine tap is ideal for use in engineering, manufacturing, and metalworking environments, where precision threading in steel, cast iron, copper, brass, aluminum alloys, and plastics is required.

Threading taps like this are commonly used to create internal threads for bolts and fasteners, essential in assembly and repair operations across mechanical, fluid power, and tooling industries. Its robust construction allows use by hand or with machines, making it versatile for various production scales.

This machine tap is suitable for threading repeatable tolerance threads in through or blind holes by hand or machine. The straight flute design collects chips efficiently during threading. 7° cutting rake angle improves the cutting action.

Bright finish adds corrosion resistance and durability. Manufactured according to ISO 529 standards for precision. Right-handed thread direction for clockwise tightening of nuts or bolts. Constructed from high-speed steel for high durability and heat resistance.

Set contains 1 piece of Dormer M8 machine threading tap, model E500M8NO1. Explore our full range of Threading Taps for industrial, mechanical, and manufacturing needs on EnvMart.