This website uses cookies. You can find out more by viewing our cookie policy hereAccept & Close


We are currently experiencing some technical issues with our site. If you have problems signing in and completing your order please kindly call us + 44 (0) 1732 763377 or email - we apologise for any inconvenience caused.


Catalogue Technical Specification

CAD Data


GN5337.9 Safety Star Knobs, Lockable, Male, Threaded Stud

CAD Viewer Technical Data

Series Selector


Type SU - Lock with different combinations

CAD Viewer Technical Data

Product Description

GN5337.9 Safety Star Knobs, Lockable, Male, Threaded Stud

Safety star knobs GN 5337.9 are designed to prevent unauthorised use.

To engage and release, the key must be inserted and turned by 180°, creating a formlock between the handle and the threaded bushing or screw. Turning the key back by 180° will release the connection.

The key can be inserted and removed in both end positions.

Two keys per star knob are included with the delivery.

For female variant, see GN5337.9 Female


Handle - Plastic, Technopolymer (Polyamide PA), glass fibre reinforced, temperature resistant up to 100 °C, black, matt

Flange - Technopolymer, with handle ultrasonically welded

Threaded bolt - Steel ST, zinc plated, blue passivated

Lock mechanism - Zinc die casting

Key - Brass BR, nickel plated, plastic handle

SELECT HasTableOnOff FROM Series WHERE SeriesID=1774

Quality & Certification
Download our quality certificates & service information documentation

Guaranteed Fast Delivery
Next day delivery on all stock items Fully trackable shipping via UPS

University or DIY Project
Friendly, technical help & advice No minimum charge for small orders

Our Reviews & Feedback
Our customers are important to us Real feedback from real customers

Trade Accounts Welcome
30 day credit accounts available Easy, quick online application form

Key Cloud...
GN5337.9 Lockable Safety star knobs with threaded stud glass fibre reinforced black matt temperature bushing screw brass nickel zinc plated

HomeCompanyProductsContact UsYour BergerCataloguesFAQsDiscounts & Delivery ChargesBusiness Code of Practise
Follow Us
© Berger Tools Ltd 2018 Admin Website by Goldhosts
Payment Methods