We know talk is cheap – we back our promise to get the parts right with 110% guarantee to meet your drawing specs
Your time is too valuable – put your trust in a passionate team with proven results
No one should lose sleep over quality issues
or lack of communication
Over the years, we have found success by maintaining that simple principle and by backing our promises with the ESI On Time & Conformance guarantees
More about us
110% Conformance Guarantee
$100 On Time Guarantee
We back our promise to estimate accurate lead time and deliver parts on time with a $100 guarantee
Certifications & Documents On Demand
We can provide just about any paperwork you require: PPAP, FAIR, material certs, NADCAP heat and plating certs, etc
USA, Mexico, & Overseas Production
With almost 30 years of production in the United States, Mexico, and Overseas we have unparalleled confidence in delivering parts of the highest quality and competitive pricing.
Custom Machined Nuts
Custom Coupling, Panel, & Lock Nuts
We run through millions of pieces of custom nuts annually, ranging from thin pattern nylon insert lock nuts to the trickier flex lock miniature hex nuts.
Electronics Fasteners
Custom Standoffs & Spacers
From the simple spacers to high tolerance precision standoffs we have you covered. Domestic and overseas production provide us immense flexibility in meeting your needs.
Pins, Studs, Screws
Niche OEMs, Aerospace, Automotive
Everything from modified COTS screws to precision eccentric shafts for aerospace applications.
Completed Projects
- All work
- Custom Binding Posts
- Custom Bushings
- Custom Coupling Nuts
- Custom Dowel Pins
- Custom Hex & Lock Nuts
- Custom Knurled Pins
- Custom Machined Screws
- Custom Panel Nuts
- Custom Precision Pins
- Custom Stamped & Machined
- Custom Standoffs & Spacers
- Custom Thread Inserts
- Custom Thumb Screws
saving you TimeMoneyStress
You are too busy to spend time dealing with inexperienced and non-responsive vendors! We have been helping our customers find the most efficient & cost effective custom fastener solutions since 1990.
We are driven by one all-encompassing mission: to become our customer’s absolute best supplier, period. We strive to accomplish this every day by focusing on providing fast response times, extreme urgency in resolving any issues, strict quality controls, and weekly data analysis & forecasting
1,200+
CUSTOM PARTS CURRENTLY IN CIRCULATION
90%+
RECURRING ORDERS
29
YEARS OF SOLVING TRICKY FASTENER NEEDS
1
GOAL: PROVIDING THE BEST SOLUTION
The team
Our team operates on very simple principles: solve problems, add value, and treat customers and coworkers like family
