What is ISO 10898 – Spot drills about?
This International Standard aims to assist its users to produce quality spot drills. ISO 10898 specifies the dimensions and technical specifications of spot drills of highspeed steel and hard metal with a point angle of 90° or 120°.
Who is ISO 10898 – Spot drills for?
ISO 10898 on spot drills is useful for:
- Drill bit manufacturers
- Quality control personnel
- Suppliers of drill bits
Why should you use ISO 10898 – Spot drills?
Spot drills are used for the same purpose as centre drills to drill the initial holes for other drill bits to follow up on. However, spot drills are more accurate than centre drills and need to be well designed to perform accurately.
ISO 10898 provides you with detailed dimensions for spot drills that help you in the production and quality control phases. ISO 10898 also provides you with designation guidelines to better utilize the guidance of the ISO 13399 series on cutting tool data representation and exchange.
Overall, the guidelines of ISO 10898 help you to produce quality Type A spot drills.
What’s changed since the last update?
BS ISO 10898:2016 replaces ISO 10898:1992, of which it constitutes a minor revision with the following changes:
- Annex A has been added
- A bibliography has been added
