(832) 802-3083 [email protected]
Injection Molding Icon

Injection Molding

High-grade, US-sourced thermoplastic parts from virgin resin materials

Industrial Parts Icon

Industrial Parts

Seals, elastomers, and gaskets made to brave the elements. 



Custom packaging, kitting, and special projects on request

Welding Supplies

Welding Supplies

Arm your welders with the best welding equipment and abrasives. 


Popular products

  • Welding supplies
  • Injection molding
  • Custom rubber molding
  • Banding clamps
  • Elastomers
  • O-Rings
  • X-Rings
  • Metal parts
  • Fasteners
  • Loaded lip seals
  • Spring-energized seals
  • Mechanical packing
  • Custom gaskets
  • Hydraulic seals
  • Thread protectors
  • High-performance plastics

Why choose H&H Seal?

  • Same-day worldwide shipping
  • Thousands of custom-machined parts available
  • Place high-volume orders, from 10K to 100K+
  • Quality materials from U.S., Mexico, Italy, and India
Our promise

Not everyone has our eagle eyes for quality material or subtle inconsistencies. We promise to use our industry knowledge responsiblysourcing and delivering top-quality materials from reputable suppliers. We ask the extra question to ensure the best material for your unique application.


Get a free custom estimate

Quality parts without the wait

“Wow, that was quick! Thank you so much!” – customer response to a recent proposal 

We don’t sit on customer requests. In fact, we respond about 3x faster than competitors. After 27 years in machine manufacturing, we know how to match you with the right materials for the job.

Move faster with custom pricing and designs in a day or two.

How our parts process works


You brief us on your project requirements in your request for custom pricing


We spec out your project, create a custom design, and send pricing within days.


Upon approval, we order materials, manufacture your parts, and offer same-day shipping worldwide

How many parts do you stock?

We offer thousands of standard- and custom-machined parts, including welding supplies, seals and gaskets, O-rings and X-rings, clamps, elastomers, protectors and custom molds


Any limitations on order size or shipping?

We can same-day ship high-volume orders (from 10K to 100K+) anywhere in the world.


Where do you get your materials?

We source the top quality part materials from U.S., Mexico, Italy, and India. We also ship worldwide. 

Do you offer custom parts?

Absolutely. We offer injection molding and other custom-machined parts and can work with several different materials. 


What if I don’t know which parts I need?

Not a problem. We will ask you questions about your desired application to match you with standard or custom-machined parts to withstand the elements and last longer. 


When will I receive my estimate?

ASAP. We typically respond in 24 to 48 hours on weekdays.