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About Hard Lock Nuts
HARDLOCK self-locking nuts stop bolt loosening from vibration and shock. Proven by DIN 65151 and NAS tests, trusted in rail, bridges & wind energy. Get a quote.
Its primary NAICS classification is 332722 (Bolt, Nut, Screw, Rivet, and Washer Manufacturing). Hard Lock Nuts is one of 1,843,395 companies listed in Illinois.
Business Contact Information
- Phone
- +1 (847) 5937000
- Website
- hardlocknut.com
- Address
- 1111 N Plaza Dr, Schaumburg, Illinois, 60173, United States
Industry & Classification
NAICS Codes
- 33
- 3327Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing
- 332722Bolt, Nut, Screw, Rivet, and Washer Manufacturing
SIC Codes
- 34Fabricated Metal Products, Except Machinery And Transportation Equipment
- 345Screw Machine Products, And Bolts, Nuts, Screws, Rivets, And Washers
- 3452Bolt, Nut, Screw, Rivet, and Washer Mfg.
Company Details
- Employees
- 7 (6-10)
- Annual Revenue
- $1.5M ($1M-$5M)
Hard Lock Nuts: frequently asked questions
What does Hard Lock Nuts do?
HARDLOCK self-locking nuts stop bolt loosening from vibration and shock. Proven by DIN 65151 and NAS tests, trusted in rail, bridges & wind energy. Get a quote.
Where is Hard Lock Nuts located?
Hard Lock Nuts is headquartered at 1111 N Plaza Dr, Schaumburg, Illinois, 60173, United States.
How many employees does Hard Lock Nuts have?
Hard Lock Nuts has about 7 employees (the 6-10 range).
What is Hard Lock Nuts's annual revenue?
Hard Lock Nuts's annual revenue is estimated at $1.5M (the $1M-$5M range).
What industry is Hard Lock Nuts in?
Hard Lock Nuts's primary NAICS code is 332722 (Bolt, Nut, Screw, Rivet, and Washer Manufacturing).
How can I contact Hard Lock Nuts?
Its website is hardlocknut.com and its phone number is +1 (847) 5937000.
Largest companies in Illinois
Largest companies on Factur
Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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