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Small Flange European Style

Smaller flange head and round shank body gives a near flush installation in to the parent material.

Available materials include: Steel, Aluminum, 304 and 316 Stainless Steel

Grip range can be affected by parent material and hole size.
Sherex recommends trial installations to determine the proper grip range for the application.

Closed End sizes available: M4, M5, M6, and M8
Also available with imperial threads - minimum order quantity is 25,000 pieces

*316 Stainless Steel has extra corrosion resistance and is to be used in the medical, chemical, and food industries.

Finishes: Zinc Plated-Yellow Trivalent Chromate SFS-01-001, SC2
Special finish or material available upon request

Sherex rivet nuts are compatible with the following hardware:
GRADE 2, GRADE 5, CLASS 8.8, and CLASS 9.8
Please contact Sherex when using other grade fasteners

Items may not always be in stock. Contact Sherex for current availability.



 Click here to design your model

UKO Steel and Stainless Picture
Unit of Measure

Item #

Thread Size


Hole Size


TU-SM4UKO30ZT N/A M4x0.7 ISO N/A 10.75 mm N/A 6.0 mm N/A 6.0 mm
TU-SM5UKO30ZT N/A M5x0.8 ISO N/A 12.0 mm N/A 7.0 mm N/A 7.0 mm
TU-SM5UKO55ZT N/A M5x0.8 ISO N/A 15.0 mm N/A 7.0 mm N/A 7.0 mm
TU-SM6UKO30ZT N/A M6x1.0 ISO N/A 14.5 mm N/A 9.0 mm N/A 9.0 mm
TU-SM6UKO55ZT N/A M6x1.0 ISO N/A 16.5 mm N/A 9.0 mm N/A 9.0 mm
TU-SM8UKO30ZT N/A M8x1.25 ISO N/A 16.0 mm N/A 11.0 mm N/A 11.0 mm
TU-SM8UKO55ZT N/A M8x1.25 ISO N/A 18.5 mm N/A 11.0 mm N/A 11.0 mm
TU-SM10UKO35ZT N/A M10x1.5 ISO N/A 19.5 mm N/A 12.5 mm N/A 12.5 mm
Unit of Measure