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About Us

Zoro Tools has a simple mission—
We help small business stay competitive!

We do this by offering more than 375,000 great products at super low prices. Small businesses have historically been at a disadvantage to larger companies who can buy stuff at lower prices because of their size. We want to change that!

Zoro Tools has most of the products that the “big guys” have and we offer every single one of them at an everyday low price. There are no complex discount structures to understand and no hidden costs. Every customer pays the same low price for an item—whether you want to buy one or one thousand!

Like you, we believe that the key to success is to always put our customers first.

 meet the staff

Contact Us

We live for the moments that we can make
you happy—that’s the truth!

Most of our business occurs through the internet. However, we know that there are times when you need to communicate with a person. Our customer service staff is here to help you. You can contact us in the way that works best for you.

Our customer service hours are Monday thru Friday from 7AM to 7PM (CST).

Si necesita ayuda en español, por favor, comuníquese con nosotros por teléfono. Gracias.

Phone

855.BUY.ZORO (855.289.9676)

Fax

855.FAX.ZORO (855.329.9676)

Email

askZoro@zorotools.com

Using Our Site

Zoro Tools has designed a unique and intuitive product search feature.

All you need to do is select the product attribute values you are looking for within your search results (size, color, material, etc.) by clicking on the value you want, and the products that meet the criteria you have chosen are immediately shown in a table right below where you made your selections.

The more specific you are in your attribute selections—the narrower the search results will become in your very own “custom made” product table!

If you prefer to search using manufacturer model #, a competitor’s part number or a Zoro Tools part number, just enter that number into the “search bar” at the top of the page, you will immediately be taken to a page that contains the item.

Open Account Billing

Open Account Billing

 learn how to apply

{business customers only}

Catalog Request

Top Products Guide

Right now, Zoro Tools’ FULL CATALOG is our website. So, you have full access to it all the time.

To request our Top Products Guide, please click below and fill out the form. Catalog requests may take up to 3 weeks to fulfill so we have also included a pdf version of the catalog to download.

In addition, you will automatically be placed on the mailing list once you buy from Zoro Tools.

 request a product guide

Questions/Feedback

If you have any questions or if there’s anything we can improve upon, please let us know…

 ask zoro

Single-Flute Countersinks, 90

KEO
Countersinks & Center Reamers
Description : Included Angle (Deg.) : 90, Type : Single Ended, Number of Flutes : 1, Material : Cobalt, Item : Countersink, Finish : TiN, Application : For Cast Iron, Heat-Treated Steels, Titanium Alloys, Plastic And Wood
Product Options
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Shank Length (In.) Shank Dia. (In.) Overall Length (In.) Body Dia. (In.) Mfr.# ZoroItem# Price Qty.
- 1/4 1-1/2 1/4 55426-TiN G1173821 $13.03/EA
1 1/4 2 1/2 55428-TiN G1797993 $19.61/EA
1-1/4 1/2 2-3/4 1-1/4 55432-TiN G3338797 $116.77/EA
- 1/8 1-1/4 1/8 55424-TiN G3079937 $11.26/EA
1-1/4 1/2 2-5/8 3/4 55430-TiN G3482796 $38.06/EA
1-1/4 1/2 2-3/4 1 55431-TiN G3429745 $65.52/EA
- 3/16 1-3/8 3/16 55425-TiN G0317554 $12.04/EA
1 3/8 2-1/4 5/8 55429-TiN G1539571 $27.68/EA
7/8 1/4 1-3/4 3/8 55427-TiN G2845026 $15.15/EA
Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55426-TiN, Z#: G1173821

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 1/4 In, Shank Dia 1/4 In, Overall Length 1 1/2 In, Cobalt, TiN Finish

Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55428-TiN, Z#: G1797993

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 1/2 In, Shank Dia 1/4 In, Shank Length 1 In, Overall Length 2 In, Cobalt, TiN Finish

Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55432-TiN, Z#: G3338797

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 1 1/4 In, Shank Dia 1/2 In, Shank Length 1 1/4 In, Overall Length 2 3/4 In, Cobalt, TiN Finish

Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55424-TiN, Z#: G3079937

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 1/8 In, Shank Dia 1/8 In, Overall Length 1 1/4 In, Cobalt, TiN Finish

Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55430-TiN, Z#: G3482796

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 3/4 In, Shank Dia 1/2 In, Shank Length 1 1/4 In, Overall Length 2 5/8 In, Cobalt, TiN Finish

Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55431-TiN, Z#: G3429745

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 1 In, Shank Dia 1/2 In, Shank Length 1 1/4 In, Overall Length 2 3/4 In, Cobalt, TiN Finish

Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55425-TiN, Z#: G0317554

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 3/16 In, Shank Dia 3/16 In, Overall Length 1 3/8 In, Cobalt, TiN Finish

Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55429-TiN, Z#: G1539571

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 5/8 In, Shank Dia 3/8 In, Shank Length 1 In, Overall Length 2 1/4 In, Cobalt, TiN Finish

Product Details

Single-Flute Countersinks, 90

Brand: KEO
Mfr#: 55427-TiN, Z#: G2845026

Product Description: Countersink, Single Ended, Number of Flutes 1, Included Angle 90 Deg, Body Dia 3/8 In, Shank Dia 1/4 In, Shank Length 7/8 In, Overall Length 1 3/4 In, Cobalt, TiN Finish