Certificate of RegistrationThis certifies that the Quality Management System of

B & D Cold Headed Products25000 Brest Road

Taylor, Michigan, 48180, United States

has been assessed by NSF-ISR and found to be in conformance to the following standard(s):

ISO 9001:2015Scope of Registration:

The manufacture of cold-headed, double-ended, serrated and general-purpose fasteners

Carl Blazik,Director, Technical Operations & Business Units,NSF-ISR, Ltd.

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Certificate Number: 69431-IS4Certificate Issue Date: 14-AUG-2018Registration Date: 13-AUG-2018Expiration Date *: 12-AUG-2021

This Annex is only Valid in connection with the above-mentioned certificate issued by NSF-ISR

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ANNEX PAGE FOR CERTIFICATE REGISTRATION NUMBER 69431-IS4

CERTIFICATE ISSUE DATE: 14-AUG-2018CERTIFICATE EXPIRATION DATE: 12-AUG-2021

B & D Cold Headed Products25000 Brest Road

Taylor, Michigan, 48180, United States

Remote Location: B & D Cold Headed Products- C0072996

36820 Van Born RdP.O. Box 275

Wayne, Michigan, 48184, United States

Scope:Product Realization, Heading, Thread Rolling, Purchasing / Steel Receiving, Maintenance, Process Design, Subcontractor Plating / Heat Treat, Mtg. Review.