Hex SEMS Screw

SEMS screws arrive with their washers already captive on the shank, saving assembly time and ensuring a washer is never missed on the line.

Head: Hex
Washers: Pre-assembled

Sizes, grades and finishes are made to order. Share your requirement for a quote.

What is a hex sems screw?

A SEMS screw is a screw supplied with its washer already fitted and held captive on the shank. The washer cannot fall off or be forgotten, so SEMS screws speed up assembly lines and reduce missing-washer faults.

Typical uses

Appliance assembly lines
Electrical earth connections
Motorcycle body panels

Hex SEMS Screw FAQ

What does SEMS mean?

It describes a screw and washer pre-assembled as one part, so the washer stays on the screw until it is fitted.

Can the washer type be chosen?

Share the washer type you need and we will confirm what we can supply.

How do I get a price?

Prices depend on size, finish and quantity. Send the part name, size, finish and quantity on WhatsApp or through the contact form, and our team will reply with a quotation.

Overview

Hex head screws with pre-assembled captive washers.

Zinc Plated
Captive Washers

Made in-house

Produced through our own cold heading, thread rolling, CNC machining and plating departments, then checked by our inspection and quality control team before dispatch.

See our process