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About McMaster-Carr

Engineers have been trusting McMaster since 1901. With over 500,000 products in stock, everything is at your fingertips for ordering. 

McMaster-Carr provides all of your basic industrial supplies. We have a large selection of screws, nuts, washers and bolts in stock. In addition, we are able to provide many raw materials including stainless steel and aluminum in many shapes and sizes, from sheets to bar stock. 

Need a new blade for your? We have all kinds of tools and accessories. Make sure not to forget about safety while you work. Eye protection is a must. So remember to get the best safety glasses and face shields to protect yourself and your workers.

Corporate accounts are welcomed and open Purchase Orders are able to be set up. Contact us to request your catalog.

With many locations across the United States, quick delivery is available at a reasonable price. Many products can be delivered the next day at no or little extra cost. 

Community Reviews Summary

176 Community Reviews 4.77/5 Overall Rating

All Ratings

Overall
Speed
Price
Quality

Rating Distribution

Top Reviewed Services

Same day delivery possible


Manufacturing , Medical Device
02/28/2014

Speed 5 / Price 3 / Quality 4

I have purchased items before 9 AM and received them at the same day. What incredible service.

Strengths: Having one of their catalogs used to be as critical as having the Machinery's Handbook, but now their website is even better than that, and they also sell that Handbook!

Needs to improve: Shipping costs

Highly recommended for manufactured parts


Manufacturing , Apparel Manufacturing
04/15/2014

Speed 5 / Price 5 / Quality 5

I use McMaster Carr at my work for all of our raw materials and small components. They are extremely knowledgeable with getting the right products to your manufacturing assembly lines. .Always have the exact fittings for our medical devices. . Great dependable vendor

Strengths: Great company

Needs to improve: None

They even sell toilets!


Manufacturing , Medical Device
02/28/2014

Speed 5 / Price 2 / Quality 3

Looking for the end of the McMaster-Carr online selection is like trying to find the end of the internet. This place sells everything from screws to urinals.

Strengths: If you want it, McMaster-Carr probably has it.

Needs to improve: You're going to pay dearly for getting those supplies so quickly.

One stop shop for hardware, tools, and materials.


R & D / Engineering , Medical Device
02/21/2014

Speed 5 / Price 3 / Quality 4

When you need hardware, material, and tools this place has it all, and they ship quickly.

Strengths: Huge product line. They have tons of CAD files for lots of the hardware. Fast delivery. They also can provide ROHS documentation.

Needs to improve: They don't give you the name of the manufacturer.

great service


Manufacturing , Medical Device
05/08/2014

Speed 5 / Price 5 / Quality 5

We use them for our connectors in the medical device field that I am in. They have a huge catalog and good selections.

Strengths: They are a great company with a lot to offer. They have awide range of product and are a solid source to have.

Needs to improve: Nothing

Best Overall Parts Supplier


Quality , Medical Device
03/02/2014

Speed 5 / Price 4 / Quality 5

McMaster-Carr has been my go to parts supplier for many projects.

Strengths: Huge parts supply selection. Excellent customer service. Website is easy to navigate. Shipping is extremely quick and reasonably priced.

Needs to improve: If you don't know the exact part you are looking for, the search an be daunting.

fast shipping


Manufacturing , Consumer Products
09/19/2014

Speed 5 / Price 4 / Quality 4

we specificly like to order there led lights.springs tubeing and tools.they have everything we need in stock and shipped to us on a timely manner.never late or damaged when packages arrive.

Strengths: variety easy to get a hold of customer service.good shipping and fast help

Needs to improve: none

Top Hardware Vendor


R & D / Engineering , Medical Device
04/29/2014

Speed 5 / Price 3 / Quality 4

I usually use McMaster to purchase hardware and tools. Their service is accurate and consist of high quality

Strengths: Great website that's easy to use. They are always available to answer any questions

Needs to improve: They are normally more expensive compared to other vendors in the same industry.

Your supplier for just about everything


R & D / Engineering , Medical Device
03/27/2014

Speed 5 / Price 4 / Quality 5

If you need it, McMaster Carr most likely will have it. New Accounts get $500 credit limit to start. Order by 8pm and you will often receive it the next morning. As Startup's dream supplier!

Strengths: Huge Inventory, Great Service, Great webpage, Overnight Delivery

Needs to improve: None

A truely great resource for hardware products


R & D / Engineering , Medical Device
03/10/2014

Speed 5 / Price 3 / Quality 5

They ship very fast, and rarely if ever have messed-up an order.

Strengths: Easy to find and order things, good post-sale tracking.

Needs to improve: Often light on supplying much specific information on listed items. Often need to ping them for more technical details on some complex items.

McMaster-Carr


R & D / Engineering , Medical Device
03/03/2014

Speed 4 / Price 4 / Quality 5

They have so many parts to choose from and you can almost alway find something to suit your needs.

Strengths: They carry just about anything a start-up company would ever need.

Needs to improve: You can find similar stuff on other sites for cheaper price and local

What don't they have?


R & D / Engineering , Aerospace
12/11/2013

Speed 5 / Price 5 / Quality 5

Use the search function on the website, rather than the physical giant Yellow Book.

Strengths: Vast selection, product availability, fast shipping.

Needs to improve: I haven't discovered any yet. The website's search function is better than it used to be. More comprehensive datasheets would be great.

Our go to place for most supplies


R & D / Engineering , Medical Device
03/21/2014

Speed 5 / Price 4 / Quality 5

We use McMaster for just about everything. If I place an order by early afternoon, I usually receive the item the next day. Good customer service and helpful online website.Good selection of products.

Strengths: huge selection of products, fast shipping, online catalog

Needs to improve: None

The source for most of my component needs!


R & D / Engineering , Medical Device
03/06/2014

Speed 5 / Price 3 / Quality 5

Exceptional service, delivery, and speed to delivery.

Strengths: McMaster-Carr has a deep catalog and almost always has what I need. Their customer service is great and their products arrive quickly.

Needs to improve: Sometimes their prices are higher than I'd like, but overall they are worth it.

parts and equipment


R & D / Engineering , Medical Device
02/26/2014

Speed 5 / Price 4 / Quality 5

They have absolutely everything you might need to clean, fabricate, organize, fasten, turn-on, shut-off, plumb, connect, seal, light, machine, finish, polish, cut, protect, move, store, heat, cool, dispense, mark, or ship at your facility.

Strengths: next day delivery

Needs to improve: price and product manufacturer

What is there to say? McMaster-Carr has everything!


R & D / Engineering , Medical Device
02/21/2014

Speed 5 / Price 5 / Quality 5

I use these guys for all my knick nack needs. Screws, tools, hardware, etc.. They have great delivery and even same day if you are close enough

Strengths: THEY HAVE EVERYTHING! if McMaster Carr doesn't have it, it doesn't exist

Needs to improve: NONE...No sandwiches maybe...?

A must Used Vendor


Manufacturing , Medical Device
03/07/2014

Speed 5 / Price 3 / Quality 4

Great! McMaster is super easy to work with and have found what I'm looking for 95% of the time.

Strengths: Large variety of components and items. You can really find anything from coffee to pallet jacks and warehouse items.

Needs to improve: Yet to encounter one

Amazing parts distributor


R & D / Engineering , Medical Device
03/12/2014

Speed 5 / Price 5 / Quality 5

My self and the companies I work for have always gone through McMaster-Carr for a wide variety of products. They are always reliable and fast shipping.

Strengths: Amazing detailed catalog and many parts.

Needs to improve: A warehouse is not local in my area.

Nofreebeez


Manufacturing , Medical Device
03/28/2014

Speed 5 / Price 5 / Quality 5

Your products arrive the next day, even if You ordered through their website in the late afternoon/evening. Ordering on account is super easy. Purchase orders go through without any issues.

Strengths: Great service,huge selection of product,superior products

Needs to improve: No same day delivery

Nobody beats McMaster-Carr


R & D / Engineering , Medical Device
02/28/2014

Speed 5 / Price 4 / Quality 5

I use them for everything especially aluminum and fasteners. They always have the parts in stock and you get them quickly

Strengths: Huge catalog selection and most items are in stock

Needs to improve: I wish they would tell you what shipping costs are