The World’s Thinnest Head 310Slim Screw!
310Slim machine screw produced by SAIMA is the world’s thinnest head screw.
The head height is 0.5mm only(M2), it is 34% thinner than a credit card.

This screw is already popular among audio industry in Japan and becoming well known in worldwide for its superior design.

Special German language webpage on 310express(export division of SAIMA) is available.
Please come visit our booth in Fastener Fair Stuttgart to learn more!
◆FASTENER FAIR GLOBAL 2025
Venue : Messe Stuttgart Stuttgart, Germany
Booth : Hall 1 #1-669
Dates : March 25th(Tue) – 27th(Thu), 2025
Please feel free to contact us! We’re happy to help you.
Online store also available for prompt shipment.