3Q, Inc.’s goal is to provide a single part number solution with inventory programs to improve customer service and profitability. Our ability to partner with our customers is the first step to a successful relationship. We are here to support the efforts of our customers’ needs with communication and dedication. 3Q, Inc. offers inventory programs that are tailored to satisfy the highly disciplined supply chain of fastener products and services. Special labels, special package quantities, carton weight limits, special finishes are what makes 3Q, Inc. unique as a premier fastener source for the fastener customer. We go beyond fasteners because it’s the right thing to do.

About Us

3Q, Inc. is built on Integrity, Respect and Quality. The standard is high and we work hard everyday to live up to these words to our customers, suppliers and employees. 3Q, Inc. open our first warehouse in 2008 and has expanded every year with a reputation for excellent service and meeting the challenges of business head on every day. Earning the trust of the customer our suppliers and employees is something we never take for granted.

In 2012 we formed a partnership with ITW Shakeproof and became a key supplier for SEMS Lock Washer products, Helical (Split) Lock Washers, Tooth Lock Washers, Square Cone Lock Washers, Made in USA Clevis Pins and Clevis Bolts.

In 2013 our overseas partnership expanded with an investment in a cold forming factory in Taiwan. This factory produces specialty cold formed products from M6 – M14 using the IATF16949 Quality Management System. This factory continues to grow and expand year after year.

In 2016 3Q, Inc. expanded our operations with a dedicated assembly and packaging area. We added new semi-automated bar-coded polybagging machines for kitting operations.

3Q, Inc. is ISO 9001:2015 Certified. This achievement is an important milestone as part of our continuous improvement of the quality management system.

ISO 9001:2015 Certified

Click the seal to view our certificate

Products & Services

SEMS Washers, Double Coil Lock Washers, Cold Formed Fasteners, Sheet Metal Screws and more. Below are some of our most popular items. Call today for more information on any of these products or to get a quote.

3Q is a full line fastener supplier and can meet all of your fastener needs.


Remote Managed Inventory Program

The 3Q, Inc.’s RMI program is the premier stocking program for the fastener distributor or OEM looking for inventory turns and risk reduction to provide the highest level of customer service. Sales monitoring, materials planning, scheduled shipping and custom programs to fit your business. We have the answer – The 3Q, Inc. Remote Managed Inventory program.


Licensed fasteners

Licensed Fasteners are designed to perform at a higher level to meet the demands of highly engineered fastener applications.

3Q, Inc.’s long time relationships with manufacturers of engineered licensed fasteners include the following: ITW, EJOT, Torx, Reminc - Taptite 2000, Mathread and many more.



Flat Washers • Lock Washers • SEMS Washer



Hex Nuts • Square Nuts • Lock Nuts


tapping screws

Sheet Metal Screws • Self-Drilling Screws • Thread Cutting Screws • Thread Forming Screws



Hex Bolts • Square Head Bolts • Shoulder Bolts


special fasteners

Cold Formed Engineered Fasteners • Double End Studs • SEMS Screws


value added services

Packaging and Kitting Assembly • Vendor Managed Inventory • Special Finishes & Secondary Processes


made in the USA

Washers • Bolts • Screws • Nuts



Fastener Sourcing • USA Customer Support • Landed Cost


Have a question or your order, our products, or have a special request? Use the information below to contact us or fill out the form below.

Corporate Headquarters

1707 Quincy Avenue – Unit #159
Naperville, IL 60540

Hours of Operation

7:30 am – 4:30 pm cst
Monday through Friday
(Friday summer hours 7:30 am – noon)

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