Fastenal

Fastenal Days Inventory Outstanding

The Days Inventory Outstanding (DIO) of Fastenal (FAST) as of Oct 24, 2026 is 141.49. In the previous year, Days Inventory Outstanding (DIO) was 144.89 — a change of -2.34% (lower).

Days Inventory Outstanding

141.49

YoY

-2.34%

Last updated:

Days Inventory Outstanding (DIO) of Fastenal is 2025 141.49 . Days Inventory Outstanding (DIO) of Fastenal was 2024 144.89 . It decreases by -2.34% lower compared to the previous year.

The Fastenal Days Inventory Outstanding history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

Days Inventory Outstanding
Date
Days Inventory Outstanding
Jan 1, 2018
181.87 USD
Jan 1, 2019
176.96 USD
Jan 1, 2020
158.53 USD
Jan 1, 2021
171.97 USD
Jan 1, 2022
165.59 USD
Jan 1, 2023
139.22 USD
Jan 1, 2024
144.89 USD
Jan 1, 2025
141.49 USD
The Fastenal Days Inventory Outstanding history
YEARDays Inventory OutstandingYoY
141.49-2.34%
144.89+4.07%
139.22-15.93%
165.59-3.71%
171.97+8.48%
158.53-10.42%
176.96-2.70%
181.87+1.53%
179.13-1.29%
181.47+4.54%
173.59+0.46%
172.79—

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Fastenal Stock analysis

What does Fastenal do? Fastenal Co is a leading American company specializing in the manufacturing, sale, and distribution of industrial supplies. The company was founded in 1967 by Bob Kierlin and his friends as a small screw distribution company in Winona, Minnesota. Over the years, Fastenal has expanded and become a top provider of screws, tools, fastening systems, hydraulic and pneumatic components, and other industrial supplies. Today, Fastenal operates over 2,200 locations in the US, Canada, Mexico, Europe, Asia, and South America, employing over 22,000 people with a revenue of over $5 billion in 2019. The company follows a B2B sales model, serving businesses and institutions with a wide range of products for various industries. Fastenal is divided into several divisions including sales, production, logistics, administration, and manufacturing. They offer products such as screws, nuts, bolts, fastening systems, tools, and machines, along with services including production and design, logistics and supply chain management, technical support, and training. One of their key divisions focuses on the manufacturing of automated storage systems. They provide a range of storage and distribution systems tailored to customers' specific needs. Fastenal also specializes in inventory consignment management, allowing customers to manage their industrial supply needs on a consignment basis, reducing costs and optimizing operations. In recent years, the company has embraced digital technologies to improve its operations, developing an online platform for ordering and account management, as well as mobile apps for order placement and tracking. In summary, Fastenal Co is a leading American company specializing in the manufacturing, sale, and distribution of industrial supplies, offering a wide range of products and services to meet customer needs, including automated storage systems, inventory consignments, and digital technologies. Fastenal is one of the most popular companies on Eulerpool.

Frequently Asked Questions about Fastenal stock

Days Inventory Outstanding (DIO) of Fastenal is 141.49 in 2025.

Days Inventory Outstanding (DIO) of Fastenal changed from 144.89 to 141.49, representing a -2.34% change. The value is lower than the previous year.

On Eulerpool you can find the complete historical development of Days Inventory Outstanding (DIO) Fastenal since 2006 – with annual values, charts, and detailed analysis.

DIO measures the average number of days inventory is held before being sold. Lower values indicate more efficient inventory management.

A 'good' varies by industry and company stage. On Eulerpool, you can compare Days Inventory Outstanding (DIO)'s Fastenal with sector peers and the industry average to assess whether it is attractive.

To evaluate Days Inventory Outstanding (DIO)'s, it is essential to compare it with peers in the same industry and sector. On Eulerpool, you can find direct industry comparisons for Days Inventory Outstanding (DIO).

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Profitability — Fastenal

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