Zoro Tools Social Presence
Follow us on Facebook! Follow us on LinkedIn! Follow us on Google+! Follow us on Twitter!
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

Step Drill Bits

UNIBIT
Step Drill Bits
Product Options
Bookmark this PageLike This Product?
Item Size Shank Size Number of Hole Sizes Material Mfr.# ZoroItem# Price Qty.
Step Drill Bit 3/16 to 1/2" 1/4" 6 High Speed Steel TiN Coated 15102 G3049304 $25.77/EA
Step Drill Bit 1/8 to 3/4" 1/4 x 3/8" - Hardened sValue Brand 15502 G1791291 $93.24/EA
Step Drill Bit 7/8" 3/8" 1 High Speed Steel UNIBIT 11 G0771023 $24.99/EA
Step Drill Bit 1/4 to 3/4" 3/8" 9 High Speed Steel UNIBIT 3 G1959176 $17.39/EA
Cobalt Step Drill Bit 4mm to 12mm 1/4" 9 - 11101cb G2941136 $30.80/EA
Cobalt Step Drill Bit 4mm to 22mm 1/4" 10 - 11104cb G3101217 $65.66/EA
Step Drill Bit 1/4 to 3/4" 3/8" 9 Cobalt 10233cb G2336083 $51.12/EA
Step Drill Bit 1/8 to 1/2" 1/4" 13 High Speed Steel UNIBIT 1 G1647502 $12.99/EA
Step Drill Bit 7/8 and 1-1/8" 1/2" 2 Cobalt 10239cb G2750352 $87.86/EA
Cobalt Step Drill Bit 4mm to 12mm 1/4" 5 - 11102cb G0549866 $30.80/EA
Step Drill Bit 1/4 to 3/4" 3/8" 9 High Speed Steel TiN Coated 15103 G1055214 $46.48/EA
Cobalt Step Drill Bit 6mm to 18mm 1/4" 7 - 11103cb G1078314 $55.56/EA
Step Drill Bit 3/16 to 7/8" 3/8" 12 High Speed Steel TiN Coated 15104 G0496456 $55.52/EA
Step Drill Bit 1/8 to 1/2" 1/4" 13 High Speed Steel TiN Coated 15101 G2164294 $25.77/EA
Step Drill Bit 9/16 to 1" 1/2" 8 Cobalt 10220cb G2966546 $63.36/EA
Step Drill Bit 3/16 to 1/2" 1/4" 6 Cobalt 10232cb G2111496 $28.34/EA
Step Drill Bit 3/16 to 1/2" 1/4" 6 High Speed Steel UNIBIT 2 G0919834 $11.99/EA
Step Drill Bit 1/8 to 1/2" 1/4" 13 Cobalt 10231cb G1552792 $28.34/EA
Step Drill Bit 3/16 to 7/8" 3/8" 12 High Speed Steel UNIBIT 4 G1931483 $29.99/EA
Cobalt Step Drill Set, 3 Pc - - - - 10502cb G1540061 $97.04/EA
Drill Bit 1/8 a 1/2" 1/4 x 3/8" - - 502 G2206154 $39.99/EA
Step Drill Bit 9/16 to 1" 1/2" 8 High Speed Steel UNIBIT 20 G0600537 $24.49/EA
Step Drill Bit 1-1/8" 1/2" 1 High Speed Steel UNIBIT 13 G0606304 $34.69/EA
Step Drill Bit 1/2" 1/4" 1 High Speed Steel UNIBIT 10 G2991344 $11.99/EA
Step Drill Bit 7/8 and 1-1/8" 1/2" 2 High Speed Steel 10239 G1716994 $37.99/EA
Step Drill Bit 3/16 to 7/8" 3/8" 12 Cobalt 10234cb G1922374 $61.08/EA
Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 15102, Z#: G3049304

Product Description: Tin Coated Step Drill Bit, Size 3/16, 1/4, 5/16, 3/8, 7/16, 1/2 In., Shank Size 1/4 In., Number of Hole Sizes 6, Step Thickness 1/16 In

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 15502, Z#: G1791291

Product Description: Tin Coated Step Drill Bit Set, 3 Pc, Size 1/8 To 1/2 In., Shank Size 1/4 And 3/8 In., Number of Hole Sizes 28, Step Thickness 1/32 In And 1/16 In, Includes G2164294, G1055214, G3049304
Includes : G2164294 (1/8 to 1/2"), G1055214 (1/4 to 3/4"), G3049304 (3/16 to 1/2")

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: UNIBIT 11, Z#: G0771023

Product Description: HSS Step Drill Bit, Size 7/8 In., Shank Size 3/8 In., Number of Hole Sizes 1
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: UNIBIT 3, Z#: G1959176

Product Description: HSS Step Drill Bit, Size 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 To 3/4 In., Shank Size 3/8 In., Number of Hole Sizes 9, Step Thickness 1/16 In
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 11101cb, Z#: G2941136

Product Description: Cobalt Step Drill Bit, Size 4mm To 12mm In., Shank Size 1/4 In., Number of Hole Sizes 9, Step Thickness 1mm

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 11104cb, Z#: G3101217

Product Description: Cobalt Step Drill Bit, Size 4mm To 22mm In., Shank Size 1/4 In., Number of Hole Sizes 10, Step Thickness 2mm

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 10233cb, Z#: G2336083

Product Description: Cobalt Step Drill Bit, Size 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 To 3/4 In., Shank Size 1/4 In., Number of Hole Sizes 9, Step Thickness 1/16 In

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: UNIBIT 1, Z#: G1647502

Product Description: HSS Step Drill Bit, Size 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2 To 1/2 In., Shank Size 1/4 In., Number of Hole Sizes 13, Step Thickness 1/32 In
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 10239cb, Z#: G2750352

Product Description: Step Drill Bit, Size 7/8 to 1-1/8 In., Shank Size 7/16 In., Number of Hole Sizes 2, Step Thickness -, Material Cobalt, Design -, Includes -

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 11102cb, Z#: G0549866

Product Description: Cobalt Step Drill Bit, Size 4mm To 12mm In., Shank Size 1/4 In., Number of Hole Sizes 5, Step Thickness 2mm

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 15103, Z#: G1055214

Product Description: Tin Coated Step Drill Bit, Size 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 To 3/4 In., Shank Size 3/8 In., Number of Hole Sizes 9, Step Thickness 1/16 In

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 11103cb, Z#: G1078314

Product Description: Cobalt Step Drill Bit, Size 6mm To 18mm In., Shank Size 1/4 In., Number of Hole Sizes 7, Step Thickness 2mm

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 15104, Z#: G0496456

Product Description: Tin Coated Step Drill Bit, Size 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8 In., Shank Size 3/8 In., Number of Hole Sizes 12, Step Thickness 1/16 In

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 15101, Z#: G2164294

Product Description: Tin Coated Step Drill Bit, Size 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2 To 1/2 In., Shank Size 1/4 In., Number of Hole Sizes 13, Step Thickness 1/32 In

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 10220cb, Z#: G2966546

Product Description: Step Drill Bit, Size 9/16 to 1 In., Shank Size 7/16 In., Number of Hole Sizes 8, Step Thickness 1/8 In., Material Cobalt, Design Hole Enlarging, Includes -
Design : Hole Enlarging

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 10232cb, Z#: G2111496

Product Description: Cobalt Step Drill Bit, Size 3/16, 1/4, 5/16, 3/8, 7/16, 1/2 In., Shank Size 1/4 In., Number of Hole Sizes 6, Step Thickness 1/16 In

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: UNIBIT 2, Z#: G0919834

Product Description: HSS Step Drill Bit, Size 3/16, 1/4, 5/16, 3/8, 7/16, 1/2 In., Shank Size 1/4 In., Number of Hole Sizes 6, Step Thickness 1/16 In
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 10231cb, Z#: G1552792

Product Description: Cobalt Step Drill Bit, Size 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2 To 1/2 In., Shank Size 1/4 In., Number of Hole Sizes 13, Step Thickness 1/32 In

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: UNIBIT 4, Z#: G1931483

Product Description: HSS Step Drill Bit, Size 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8 In., Shank Size 3/8 In., Number of Hole Sizes 12, Step Thickness 1/16 In
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 10502cb, Z#: G1540061

Product Description: Cobalt Step Drill Set, 3 Pc, Size 1/8 To 3/4 In., Shank Size 1/4 In., Number of Hole Sizes 28, Step Thickness 1/32 In And 1/16 In, Includes G1552792, G2111496, G2336083
Includes : G1552792 (1/8 to 1/2"), G2111496 (3/16 to 1/2"), G2336083 (1/4 to 3/4")

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 502, Z#: G2206154

Product Description: HSS Step Drill Bit Set, 3 Pc, Size 1/8 To 1/2 In., Shank Size 1/4 And 3/8 In., Number of Hole Sizes 28, Step Thickness 1/32 In And 1/16 In, Includes G1647502, G1959176, G0919834
Includes : G1647502 (1/8 to 1/2"), G1959176 (1/4 to 3/4"), G0919834 (3/16 to 1/2")

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: UNIBIT 20, Z#: G0600537

Product Description: Step Drill Bit, Size 9/16 to 1 In., Shank Size 7/16 In., Number of Hole Sizes 8, Step Thickness 1/8 In., Material High Speed Steel, Design Ensures True Starts Without Walking Even on Curved Surfaces, Includes -
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: UNIBIT 13, Z#: G0606304

Product Description: Step Drill Bit, Size 1-1/8 In., Shank Size 7/16 In., Number of Hole Sizes 1, Step Thickness -, Material High Speed Steel, Design Ensures True Starts Without Walking Even on Curved Surfaces, Includes -
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: UNIBIT 10, Z#: G2991344

Product Description: HSS Step Drill Bit, Size 1/2 In., Shank Size 1/4 In., Number of Hole Sizes 1
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 10239, Z#: G1716994

Product Description: Step Drill Bit, Size 7/8 to 1-1/8 In., Shank Size 7/16 In., Number of Hole Sizes 2, Step Thickness -, Material High Speed Steel, Design Ensures True Starts Without Walking Even on Curved Surfaces, Includes -
Design : Ensures True Starts Without Walking Even on Curved Surfaces

Product Details

Step Drill Bits

Brand: UNIBIT
Mfr#: 10234cb, Z#: G1922374

Product Description: Cobalt Step Drill Bit, Size 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8 In., Shank Size 3/8 In., Number of Hole Sizes 12, Step Thickness 1/16 In