100+ bought last week

Hillman 6mm x 40mm Stainless Coarse Thread Hex Bolt (5-Count)

Name: Hillman 6mm x 40mm Stainless Coarse Thread Hex Bolt (5-Count)
Brand: Hillman
SKU: 3043101
Price: 2.78 USD
Rating: 4.6 (186 reviews)

Shop Hillman

4.6

186

Finish: Stainless

$2.78

Length Measurement: 40mm

Bolt Diameter: 6mm

Package Quantity: 5

Pickup

Unavailable

Shipping

Fri, Feb 20

395 available

Delivery

Unavailable

Stepper number input field with increment and decrement buttons

Product may vary from image in appearance, size, shape, and color, or due to screen representation

Members save more.

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

Learn More

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Learn More

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

Learn More

Hex bolts feature hexagonal heads and machine threads for use with a nut or in a tapped hole. They can be used to fasten wood to wood, wood to metal or metal to metal applications. Be sure to use washers and nuts that are the same grade and finish as the hex bolt. Pre-drilled holes are required.

Hex bolts are machine bolts designed to fasten facing pieces of wood and/or metal
Stainless steel offers superior rust prevention and bright finish
Pre-drill a pilot hole the same diameter as the hex bolt you are using
Commonly used in home and commercial projects involving wood-to-wood and wood-to-metal connections
Partially threaded shank allows for a stronger grip between objects and less shear movement
Conforms to ASTM A304 specifications

General
Finish	Stainless	Unit of Measure	Count
Manufacturer Color/Finish	Stainless steel	Head Type	Hex
Material	Steel	Measure Type	Metric
Package Quantity	5	Thread Type	Coarse
Grade	305

Dimensions
Bolt Diameter	6mm	Length Measurement	40mm

Features
Bolt Thread Pitch	1	Full Thread	No

Warranty
Warranty	None

Certifications
ACQ Approved	Yes	CA Residents: Prop 65 Warning(s)	No

Miscellaneous
UNSPSC	31161600

Check out the Best Selling Hex Bolts on Lowes.com

Review

4.6 out of 5

186 Reviews

89% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The bolts and screws are generally of good quality, with customers praising the tight fit, sturdiness, and corrosion resistance. Many found the hardware suitable for their intended applications, such as securing truck side steps, garage door openers, and winches. However, some customers reported issues with poor quality, difficulty tightening or removing the bolts, and problems with the threads. The availability and consistency of the products may also be a concern for some users.

Customer review summary generated by AI, including incentivized reviews.

186 Customer Reviews

Sort By

Customer Sentiment

Customer liked

Customers didn't like

Excellent Selection

It was exactly what I needed

N PickettJanuary 23, 2026
From 1_SLASH_4-in x 1-1_SLASH_2-in Stainless Fine Thread Hex Bolt (2-Count) Verified Purchaser

Was this Review Helpful ?

Perfect fit

Would Recommend

used it to fix the garage door. worked wonderful

KmgsbDecember 30, 2025
From 6mm x 25mm Stainless Coarse Thread Hex Bolt (5-Count) Verified Purchaser

Was this Review Helpful ?

all ok

All as expected.

JohnDecember 17, 2025
From 1_SLASH_4-in x 1-in Stainless Fine Thread Hex Bolt (2-Count) Verified Purchaser

Was this Review Helpful ?

Screw

Would Recommend

Is screw

SarahDecember 10, 2025
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/de1309fc-a52d-58e2-b364-2cf40d87864b

Was this Review Helpful ?

Good mfg

Will not rust

BJLOWEDecember 5, 2025
From 8mm x 50mm Stainless Coarse Thread Hex Bolt (5-Count) Verified Purchaser

Deals by Department

Don't Miss These Deals

More Ways to Save

Hillman 6mm x 40mm Stainless Coarse Thread Hex Bolt (5-Count)

Shop Hillman

Pickup

Shipping

Delivery

Overview

Product Features

Specifications

General

Finish

Unit of Measure

Manufacturer Color/Finish

Head Type

Material

Measure Type

Package Quantity

Thread Type

Grade

Dimensions

Bolt Diameter

Length Measurement

Features

Bolt Thread Pitch

Full Thread

Warranty

Warranty

Certifications

ACQ Approved

CA Residents: Prop 65 Warning(s)

Miscellaneous

UNSPSC

What Customers Are Saying

Community Q & A

9 Questions

9 Questions

Hillman: Featured Videos

RELATED SEARCHES

Deals by Department

Don't Miss These Deals

More Ways to Save

Hillman 6mm x 40mm Stainless Coarse Thread Hex Bolt (5-Count)

Shop Hillman

Pickup

Shipping

Delivery

Overview

Product Features

Specifications

Community Q & A

Hillman: Featured Videos

RELATED SEARCHES

Hillman Carriage Bolts

Hillman Hex Bolts

Hillman Specialty Bolts

Hillman Staples

Hillman Hanger Bolts

Hillman Square Washers

Stainless Carriage Bolts

Stainless Hex Bolts

Metric Hex Bolts

Collated Drywall Screws

Stainless Specialty Bolts

Metric Carriage Bolts

Stainless Hanger Bolts

40mm Hex Bolts

Steel Hanger Bolts