Construction Fasteners & Supplies

To help serve the growing construction market in Southern California, Hillco Fastener Warehouse is excited to announce the creation of our construction fastener and supplies division, Jobsite 911.  Jobsite 911 will be responsible for handling the increasing demand for structural bolts, foundation bolts, concrete anchors, threaded rod, abrasives, contractor bags, and other supplies commonly used on job sites throughout the region.  Why “Jobsite 911”?  Hillco has engaged in selling construction fasteners for many years, even though our primary market has always been the automotive industry.  Recently, however, we’ve been overwhelmed by requests for foundation bolts, followed almost every time by “Please hurry!”  It seems that it is not uncommon for a general contractor to have his crew standing by, clock ticking, waiting for their bolts.  For the guy paying the bills, this constitutes an emergency!  Thus, Jobsite 911 to the rescue!  Click on this link to see our web page:

Hillco Super Cruise

Hillco’s Super Cruise held on Super Bowl Sunday has been an annual event since 2004.  The entire Hillco team has always looked forward to the event because it gave all of us an opportunity to see and share your projects and works of art on wheels.   It is therefore with no small amount of regret we announce that there will be no future Super Cruise events.  Ownership of our building and several other properties within our complex has changed and the new owner’s concerns regarding the issue of liability and property damage has made it impossible for us to continue the show.

We want to thank everyone who took part in our Super Cruise over the years.  It became a spectacular show that our customers and local car aficionados looked forward to.  A special thank you to our many sponsors and to Gary Brown the OC Car Guy, Dave Lindsay of, and Ryan Portemour of for their part in publicizing the show and helping to make it such a huge success.

We look forward to seeing all of you at Hillco whenever you have a need for a special fastener and please feel free to bring your projects by for us to admire or just come by the warehouse to say hello!

Black Oxide Finish

We have received several inquiries recently regarding black oxide finish.  Black oxide is a conversion coating (as opposed to an applied coating) because it results from a chemical reaction with the iron present in the metal fastener and forms an integral protective surface.  It is a color of the base metal, which neither removes nor deposits metal.  Therefore, it adds, at the most, 5 to 10 millionths of an inch to the fastener's dimensions.  Likewise, it cannot chip, peel or rub off, and the item maintains 99% of its conductivity making black oxide a popular finish for electrical parts.

When a black oxide finish is specified, it is called out as "Black Oxide and Oil".  Other supplementary coatings such as wax or lacquer may be ordered, but fasteners with those finishes are usually not available from stock and must be a special order.  Typically, the oil after-finish is dry to the touch, which gives the part a lustrous appearance and improved lubricity without excessive residue.  The color is a deep black rather than the grayish-black appearance of black phosphate, and remains consistent at temperatures as high as 900 degrees Fahrenheit.  Black oxide also resists abrasions better than phosphate, and one of the most important advantages is that there is almost no risk of hydrogen embrittlement because the process does not involve electro-plating nor does it require an acid-activation.  Case hardened parts need not be baked after receiving a black oxide finish.

Black oxide neither enhances nor detracts from a fastener's resistance to corrosion.  The post-treatment oil application offers good indoor corrosion protection, but a zinc-plated part is more resistant to rust.  However, parts with a black oxide finish will not suffer from white corrosion which can occur over time with electro-plated parts.  To avoid the risk of white corrosive particles (which can cause electrical shorts) many in the electronics industry opt for black oxide instead of zinc plated fasteners.

The popularity of black oxide stainless fasteners is also growing.  In addition to being used for decorative purposes, the finish reduces light glare and reflection and makes the surface of the fastener smoother.  The automotive aftermarket utilizes them in tail-light assemblies, grills and windshield wiper assemblies, to name a few.

Comparing Fine Thread with Coarse Thread Fasteners

Fastener threads provide both load holding when tightened and the ability to move during tightening and loosening.  A fastener's pitch and lead, determined by whether it is coarse or fine thread, is a factor in fastener performance.  A coarse thread will move a larger distance with each rotation than a fine thread of the same diameter.  If speed of assembly is a factor, a coarse thread may be preferred as it will assemble faster.  If adjustment is required, a fine thread will provide a less sensitive adjustment and a greater ability to control adjustment.

Each flank of thread carries a percentage of the clamping load.  This load is not distributed equally among the thread pitches in most applications.  It is generally thought that a fine pitch thread will have a more uniform load distribution among its engaged pitches when installed.

Fine threads can be more susceptible to cross-threading if assembly conditions are not controlled.  In general, both coarse and fine threads have advantages depending on the fastening output required.

Super Cruise XIV, February 5, 2017

Hillco’s annual Super Cruise took place Sunday, February 5, and we had a great turnout! Although it threatened to rain throughout the day, we were lucky to enjoy cool weather and gray skies (perfect for car-show photography!).  The many who did attend had a great time checking out what has become the most diverse collection of cars, trucks, and bikes in one show, enjoying the food and participating in our raffle.

Conversations with the builders helps one appreciate the history, hard work and craftsmanship required in each project.  Many are so beautifully planned and executed that they are more a work of art than merely just a car. From the daily driver to the trailer queen, it was all here on show day, which is the main reason many love attending this event.

On behalf of Hillco’s entire staff, thank you for attending, and a special thank you to Gary Brown (The OC Car Guy) for emceeing and organizing our event and donating to our raffle, Tom Leroux of Hoist Services, Joe and Arlene Jill of Superior Automotive, Stephanie Hill of Stephanie Hill Photography, Los Alamitos Brew Kitchen, Brighton Best International, and Joe Leroux and the Road Devils for their generous donations to our raffle that helped to make Super Cruise XIV a great success.  Special thanks to the Hillco staff for their enthusiasm and support in putting on this event.

Thank you again to all who attended.  We will be posting photos from the event on our Facebook page, so please share with your family and friends.  As most of you already know, Hillco is a family-owned and operated business established in 1976.  Super Cruise Sunday is our annual customer appreciation event which gives us an opportunity to see your projects and raise funds for veterans and first-responders via donation to Gary Sinise Foundation.  We look forward to seeing all of you next year!

New Hillco PSA100-178 ProShop Assortment

When working on automotive restoration or repair projects it's very difficult to figure out exactly which fasteners you'll need for either fabrication or final assembly, i.e. body bolts, fender bolts and nuts, etc.  Our new ProShop Assortment removes much of the guess work!  Our PSA100-178 assortment includes factory body bolts, u-nuts and j-nuts needed for your automotive project, and they work for most pre-1980 GM, Ford & Chrysler products!  Fasteners are the last thing you think of and the first thing you'll need for your project, so be sure to plan ahead!

2015 SEMA Show

Two Israeilis, two Palestinians and an Arab walk into a room . . . sounds like a very bad ethnic joke doesn’t it?   In fact, it is what my son Ryan and I experienced at the SEMA show in Las Vegas last week.  For those unfamiliar with the SEMA show, it is the premier trade show for the automotive after-market industry and is held in Las Vegas every year.   Manufacturers and distributors from all over the country present their new products and prototypes to the automotive aftermarket industry. Seeing three groups of people who can’t get along on the world stage but have a common interest in this wonderful machine we call the automobile had a great impact on me.  The desire to build and make available something different and extraordinary is a common bond shared by all those attending the SEMA event, and it is our goal at Hillco Fastener Warehouse as well.  

The SEMA show is the largest trade show in Las Vegas.  Attendance is in the hundreds of thousands every year.  Not only did we did we get to meet the folks mentioned above, we also had visitors to Hillco’s exhibit from Colombia, Mexico,  Panama, Qatar, Venezuela, Japan,  Australia, New Zealand, Germany, Sweden, and Denmark, just to name a few.  

You may be wondering why automotive enthusiasts from all over the world come to the States to attend SEMA.  I believe it is because of our wonderful, unique in the world, American culture.  The Germans, French and Italians, as well as the English, began building automobiles at about the same time or earlier than we were in the U.S.  What is it about the U.S. market that is so appealing?   I believe it is the unique laissez-faire (in French it means leave us alone) attitude of the American car culture. The American hot rod industry is the very essence of individual creativity and innovative engineering . . .  sometimes good, sometimes not so good, and much of the time extraordinary, and always interesting and exciting.  I believe that is the allure for automobile enthusiasts from all around the world.  When one buys a chopper with all its garish chrome and loud engine, they are buying American culture. The same is true with a low rider bouncing up and down or going low and slow with music blaring, or a Corvette going 220 mph at Le Mans. All these folks have a commonality of interest in creating something unique and wonderful and it is what ties all of us together.  That, my friends, is a very good thing. By the way, did I mention Lichtenstein?  See ya soon!   Maybe at the next SEMA show.
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