+1 500 000 products in offer

7000 packages per day

+300 000 clients from 150 countries

You have questions? Call us 678.691.2347 (Mon-Fri 8:00AM - 6:00PM EDT)

We would like to inform that on October 25, 2026 at 02:00 AM - 03:00 AM (CET) some problems with access to the website and online orders may occur. We apologize for any inconvenience.

We've added a new feature that allows you to schedule a meeting with a consultant. You can find it at the following link: Book an online meeting.

No surprise tariffs – what You see is what You pay

Here you will find out more

Data processing in progress

Your credit limit has been exceeded. Your order will be accepted but not realized. The delivery schedule will not be set. Please contact a TME employee.

The task was successfully completed.

An unexpected error ocurred. Please try again.

Manufacturer	KEYSTONE
Type of mounting element	screw
Thread	UNC 4-40
Length	13.11mm
Kind of head	knurled
Kind of cut	slotted
Material	steel
Plating material	nickel
Thread length	5.54mm

2071

Screw; UNC 4-40; UNC4-40x13.11; Head: knurled; slotted; steel

Specification