Displayed currency: USD
Price display: excl. VAT

  2. Publishers
  3. Technical standards BS
  4. Standard "BS 1981:1991"
Standard BS 1981:1991 30.8.1991 preview

BS 1981:1991

Specification for unified machine screws and machine screw nuts.



STANDARD published on 30.8.1991


Language
Format
AvailabilityIN STOCK
Price392.10 USD excl. VAT
392.10 USD

The information about the standard:

Designation standards: BS 1981:1991
Publication date standards: 30.8.1991
SKU: NS-61028
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: British technical standard
Category: Technical standards BS

Print
Send to a colleague
Query

The category - similar standards:

Bolts, screws, studsNuts

Annotation of standard text BS 1981:1991 :

Applicable to machine screws and machine screw nuts having ISO inch screw threads and hexagon head and slotted or recessed heads with type Z and type V recess. Mechanical properties are specified for steel, brass and aluminium alloy screws and nuts. Status: Confirmed

Similar standards:

BS EN 27721:1992BS EN 27721:1992..

1.5.1992

BS EN 28839:1992BS EN 28839:1992..

1.4.1992

BS 325:1947BS 325:1947

17.4.1947

BS EN ISO 3506-1:2009BS EN ISO 3506-1:200..

WITHDRAWN
31.12.2009

BS EN ISO 3506-3:2009BS EN ISO 3506-3:200..

WITHDRAWN
31.12.2009

BS EN ISO 3506-4:2009BS EN ISO 3506-4:200..

WITHDRAWN
31.12.2009

Latest update: 2026-04-06 (Number of items: 2 271 069)
© Copyright 2026 NORMSERVIS s.r.o.



Cookies Cookies

We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.

You can refuse consent here.

Cookies Cookie - Settings
Close

Here you can customize your cookie settings according to your preferences.

Technical cookies
These cookies are essential for the proper functioning of the website and all the functions that the website offers. Technical cookies cannot be turned off because they are responsible for storing products in the cart, setting up filters, performing the shopping process, favorites list and privacy settings.
Show more
Analytical cookies
Analytical cookies allow us to measure the performance of our website and our advertising campaigns. They are used to determine the number of visits and sources of visits to our website. We process the data obtained through these cookies in a summary manner, without the use of identifiers that point to specific users of our website. If you turn off the use of analytical cookies in relation to your visit, we lose the ability to analyze performance and optimize our actions.
Show more
Personalized cookies
We also use cookies and other technologies to tailor our business to the needs and interests of our customers and prepare an exceptional shopping experience for you. By using personalized cookies, we can avoid explaining unwanted information, such as inappropriate product recommendations or useless special offers. In addition, the use of personalized cookies allows us to offer you additional features, such as product recommendations tailored to your needs.
Show more
Advertising cookies
Advertising cookies are used by us or our partners so that we can display suitable content or advertisements both on our website and on the websites of third parties. Thanks to this, we can create profiles based on your interests, so-called pseudonymized profiles. Based on this information, it is usually not possible to immediately identify you, because only pseudonymized data is used. If you do not consent, you will not be the recipient of content and ads tailored to your interests.
Show more

We need your consent to use the individual data so that you can see information about your interests, among other things.