Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

8mm x 30mm Stainless Coarse Thread Hex Bolt (5-Count)

Ratings & Reviews for Hillman 8mm x 30mm Stainless Coarse Thread Hex Bolt (5-Count)

4.6
229
Review
 4.6 out of 5
232 Reviews


91% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these bolts for reliable performance and consistent quality across demanding applications. Most reviewers emphasize they work exactly as expected—securing projects firmly, resisting rust, and matching specifications without issue. Stainless steel variants earn particular praise for corrosion resistance in harsh environments. Many appreciate the smooth finish and dependable functionality in real-world use, from truck modifications to aircraft assembly. Customers also note easy availability and clear organization in-store. A few report minor issues like mismatched threading or opened packages, but these concerns are infrequent and do not diminish the overwhelming satisfaction.

Customer review summary generated by AI, including incentivized reviews.
232 Customer Reviews

Exactly what I needed it to be.

Would Recommend

This bolt is exactly what I needed to hold my exhaust on my vehicle after the dealership stripped the factory bolt and wouldn't replace it. The zinc level gives this bolt the high-heat rating of the OEM bolts for exhaust purposes.

May 20, 2026
From Verified Purchaser
Was this Review Helpful ?

x

Would Recommend

x

May 20, 2026
From Verified Purchaser
Was this Review Helpful ?

If you need stainless steel

Would Recommend

Perfect fit !!

May 19, 2026
From Verified Purchaser
Was this Review Helpful ?

Perfect fit

Would Recommend

Perfect fit i had to ask a associate for assistance he was very professional

Was this Review Helpful ?

Side Awning Project

Would Recommend

Exactly what we needed to help with our project on our composite wood deck.

May 16, 2026
From Verified Purchaser
Was this Review Helpful ?

Side Awning Project

Would Recommend

Exactly what we needed to help with our project on our composite wood deck.

May 16, 2026
From 6mm x 40mm Stainless Coarse Thread Hex Bolt (5-Count) Verified Purchaser
Was this Review Helpful ?

Just what I needed

Perfect

May 11, 2026
From 6mm x 25mm Stainless Coarse Thread Hex Bolt (5-Count) Verified Purchaser
Was this Review Helpful ?

reliable

Prefect

May 11, 2026
From 8mm x 20mm Stainless Coarse Thread Hex Bolt (5-Count) Verified Purchaser
Was this Review Helpful ?

Michael Bolton

Would Recommend

Made of quality materials.

May 9, 2026
From Verified Purchaser
Was this Review Helpful ?

stainless steal bolts

Would Recommend

Thank goodness for Lowe’s having this part in stock.

May 8, 2026
Verified Purchaser
Was this Review Helpful ?

It’s hard

Would Recommend

Works as advertised

May 6, 2026
From 8mm x 20mm Stainless Coarse Thread Hex Bolt (5-Count) Verified Purchaser
Was this Review Helpful ?

Good quality

Would Recommend

Great quality

May 2, 2026
From 8mm x 20mm Stainless Coarse Thread Hex Bolt (5-Count) Verified Purchaser
Was this Review Helpful ?

Quick & easy

Would Recommend

strong, multipurpose

May 1, 2026
From 6mm x 20mm Stainless Coarse Thread Hex Bolt (5-Count) Verified Purchaser
Was this Review Helpful ?

Fit

Would Recommend

Fit

May 1, 2026
From 8Mm x 20Mm Zinc-plated Coarse Thread Hex Bolt (2-Count) Verified Purchaser
Was this Review Helpful ?

Aeron Chair replacement part

Would Recommend

Purchased this as a replacement for a broken part on a Herman Miller Aeron Chair (the screw holding the arm on had broken....sounds like this is a common failure). The part worked perfectly and is definitely an improvement over the quality of the OEM part and significantly less expensive.

Was this Review Helpful ?