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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

Hex Locknuts with Nylon Insert, Zinc Plated Steel

EARNEST MACHINE
Locknuts
Description : Thread Direction : Right Hand, Material : Steel, Finish : Zinc
Product Options
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Width Type Thread Size Item Brinell Hardness Height Temp. (F) Application Size Rockwell Hardness Meets/Exceeds Thread Type Grade Package
Qty.
Mfr.# ZoroItem# Price Qty.
7/16" Standard 1/4-20 Hex Locknut With Nylon Insert - 5/16" - General Purpose - C32 Max IFI 100/107 UNC 2 100 SHY1 G0242724 $3.67/PK
5/8" Standard 7/16-14 Hex Locknut With Nylon Insert - 29/64" - General Purpose - C32 Max IFI 100/107 UNC 2 100 3HDU6 G0728226 $9.07/PK
1/4" Standard 3-48 Hex Locknut with Nylon Insert - 9/64" 250 Resist Vibration 3-48 C32 Max IFI 100/107 UNC 2 100 4FHW8 G0322987 $3.62/PK
1/4" Hex Locknut with Nylon Insert 4-40 Locknut 116-302 5/64" - Reduces or Eliminates Nut Backoff 4-40 B68-C32 - UNC Grade 2 100 4EFX4 G2471691 $1.61/PK
9/16" Standard 3/8-24 Hex Locknut With Nylon Insert - 29/64" - General Purpose - C32 Max IFI 100/107 UNF 2 100 SHY6 G2785903 $7.52/PK
9/16" Standard 3/8-16 Hex Locknut With Nylon Insert - 29/64" - General Purpose - C32 Max IFI 100/107 UNC 2 100 SHY5 G2811417 $7.22/PK
1/2" Standard 5/16-24 Hex Locknut With Nylon Insert - 11/32" - General Purpose - C32 Max IFI 100/107 UNF 2 100 SHY4 G2394323 $5.12/PK
5/16" Standard 6-32 Hex Locknut With Nylon Insert - 11/64" - General Purpose - C32 Max IFI 100/107 UNC 2 100 CLC1 G2057614 $2.80/PK
11/32" Standard 8-32 Hex Locknut With Nylon Insert - 15/64" - General Purpose - C32 Max IFI 100/107 UNC 2 100 CLC2 G2988431 $2.47/PK
1/4" Standard 5-40 Hex Locknut with Nylon Insert - 9/64" 250 Resist Vibration 5-40 C32 Max IFI 100/107 UNC 2 100 4FHW9 G3478666 $1.88/PK
1/4" Standard 2-56 Hex Locknut with Nylon Insert - 9/64" 250 Resist Vibration 2-56 C32 Max IFI 100/107 UNC 2 100 4FHW7 G2100323 $3.50/PK
3/4" Standard 1/2-13 Hex Locknut With Nylon Insert - 19/32" - General Purpose - C32 Max IFI 100/107 UNC 2 100 3HDU8 G3359711 $16.86/PK
7/16" Nylon Insert 12-24 Locknut 116-302 5/16" - Reduces or Eliminates Nut Backoff 12-24 B68-C32 - UNC Grade 2 100 CLC5 G1561752 $3.68/PK
3/8" Standard 10-32 Hex Locknut With Nylon Insert - 15/64" - General Purpose - C32 Max IFI 100/107 UNF 2 100 CLC4 G2578554 $3.43/PK
2-1/4" Nylon Insert 1-1/2-6 Hex Locknut - 1-5/16" - Reduces or Eliminates Nut Backoff 1-1/2 C28 Max. - UNC Grade 2 1 4FAN3 G2964491 $11.37/EA
7/16" Standard 1/4-28 Hex Locknut With Nylon Insert - 5/16" - General Purpose - C32 Max IFI 100/107 UNF 2 100 SHY2 G0364454 $4.55/PK
1-7/16" Standard 1-14 Hex Locknut With Nylon Insert - 1-3/64" - General Purpose - C32 Max IFI 100/107 UNF 2 5 SHY20 G0705065 $7.40/PK
1-7/8" Nylon Insert 1-1/4-7 Hex Locknut - 1-1/8" - Reduces or Eliminates Nut Backoff 1-1/4 C28 Max. - UNC Grade 2 1 4FAN2 G0642853 $5.57/EA
1-7/16" Standard 1-8 Hex Locknut With Nylon Insert - 1-3/64" - General Purpose - C32 Max IFI 100/107 UNC 2 5 SHY19 G2805713 $7.28/PK
3/8" Standard 10-24 Hex Locknut With Nylon Insert - 15/64" - General Purpose - C32 Max IFI 100/107 UNC 2 100 CLC3 G2711511 $2.91/PK
1-11/16" Nylon Insert 1-1/8-7 Hex Locknut - 59/64" - Reduces or Eliminates Nut Backoff 1-1/8 C28 Max. - UNC Grade 2 1 4FAN1 G1916537 $3.90/EA
1/2" Nylon Insert 5/16-18 Hex Locknut - 11/32" 250 To Reduce Vibration 5/16-18 C32 Max IFI 100/107 UNC 2 100 SHY3 G1768523 $3.28/PK
Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: SHY1, Z#: G0242724

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 1/4-20, Thread Type UNC, Thread Direction Right Hand, Width 7/16 In, Height 5/16 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 3HDU6, Z#: G0728226

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 7/16-14, Thread Type UNC, Thread Direction Right Hand, Width 5/8 In, Height 29/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 4FHW8, Z#: G0322987

Product Description: Hex Locknut, Nylon Insert, Standard, Steel, Finish Zinc Plated, Grade 2, Thread Size 3-48, Thread Type UNC, Thread Direction Right Hand, Width 1/4 In, Height 9/64 In, Temp. 250 F, Rockwell Hardness C32 Max, For Use With Up to Grade 2 Bolts, Resist Vibration, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 4EFX4, Z#: G2471691

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 4-40, Thread Type UNC, Thread Direction Right Hand, Width 1/4 In, Height 5/64 In, Rockwell Hardness B68-C32, Brinell Hardness 116-302, Reduces or Eliminates Nut Backoff, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: SHY6, Z#: G2785903

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 3/8-24, Thread Type UNF, Thread Direction Right Hand, Width 9/16 In, Height 29/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: SHY5, Z#: G2811417

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 3/8-16, Thread Type UNC, Thread Direction Right Hand, Width 9/16 In, Height 29/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: SHY4, Z#: G2394323

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 5/16-24, Thread Type UNF, Thread Direction Right Hand, Width 1/2 In, Height 11/32 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: CLC1, Z#: G2057614

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 6-32, Thread Type UNC, Thread Direction Right Hand, Width 5/16 In, Height 11/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: CLC2, Z#: G2988431

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 8-32, Thread Type UNC, Thread Direction Right Hand, Width 11/32 In, Height 15/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 4FHW9, Z#: G3478666

Product Description: Hex Locknut, Nylon Insert, Standard, Steel, Finish Zinc Plated, Grade 2, Thread Size 5-40, Thread Type UNC, Thread Direction Right Hand, Width 1/4 In, Height 9/64 In, Temp. 250 F, Rockwell Hardness C32 Max, For Use With Electronics, Resist Vibration, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 4FHW7, Z#: G2100323

Product Description: Hex Locknut, Nylon Insert, Standard, Steel, Finish Zinc Plated, Grade 2, Thread Size 2-56, Thread Type UNC, Thread Direction Right Hand, Width 1/4 In, Height 9/64 In, Temp. 250 F, Rockwell Hardness C32 Max, For Use With Up to Grade 2 Bolts, Resist Vibration, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 3HDU8, Z#: G3359711

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 1/2-13, Thread Type UNC, Thread Direction Right Hand, Width 3/4 In, Height 19/32 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: CLC5, Z#: G1561752

Product Description: Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade Grade 2, Thread Size 12-24, Thread Type UNC, Thread Direction Right Hand, Width 7/16 In, Height 5/16 In, Rockwell Hardness B68-C32, Brinell Hardness 116-302, Reduces or Eliminates Nut Backoff, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: CLC4, Z#: G2578554

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 10-32, Thread Type UNF, Thread Direction Right Hand, Width 3/8 In, Height 15/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 4FAN3, Z#: G2964491

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 1 1/2-6, Thread Type UNC, Thread Direction Right Hand, Width 2-1/4 In, Height 1 5/16 In, Rockwell Hardness C28 Max, Reduces or Eliminates Nut Backoff

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: SHY2, Z#: G0364454

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 1/4-28, Thread Type UNF, Thread Direction Right Hand, Width 7/16 In, Height 5/16 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: SHY20, Z#: G0705065

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 1-14, Thread Type UNF, Thread Direction Right Hand, Width 1 7/16 In, Height 1 3/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 5

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 4FAN2, Z#: G0642853

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 1 1/4-7, Thread Type UNC, Thread Direction Right Hand, Width 1 7/8 In, Height 1 1/8 In, Rockwell Hardness C28 Max, Reduces or Eliminates Nut Backoff

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: SHY19, Z#: G2805713

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 1-8, Thread Type UNC, Thread Direction Right Hand, Width 1 7/16 In, Height 1 3/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 5

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: CLC3, Z#: G2711511

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 10-24, Thread Type UNC, Thread Direction Right Hand, Width 3/8 In, Height 15/64 In, Rockwell Hardness C32 max, General Purpose, Meets/Exceeds IFI 100/107, Package Quantity 100

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: 4FAN1, Z#: G1916537

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 1 1/8-7, Thread Type UNC, Thread Direction Right Hand, Width 1 11/16 In, Height 59/64 In, Rockwell Hardness C28 Max, Reduces or Eliminates Nut Backoff

Product Details

Hex Locknuts with Nylon Insert, Zinc Plated Steel

Brand: EARNEST MACHINE
Mfr#: SHY3, Z#: G1768523

Product Description: Hex Locknut, Nylon Insert, Steel, Finish Zinc Plated, Grade 2, Thread Size 5/16-18, Thread Type UNC, Thread Direction Right Hand, Width 1/2 In, Height 11/32 In, Temp. 250 F, Rockwell Hardness C32 Max, For Use With Gr 2 Bolts and Studs, To Reduce Vibration, Meets/Exceeds IFI 100/107, Package Quantity 100