Chicago Nut & Bolt - Leader in High Quality Fastener Products

Custom Fasteners

Utilizing our massive inventory of blanks, we manufacture fasteners inclusive of custom bolts, nuts, and screws for mining, heavy machinery, military, railroad construction, plus agricultural equipment applications. We work with sizes from 1/4" to 4" in diameter and lengths of up to 72".

In addition to the distribution of standard fasteners, our reputation is also built upon the ability to meet your unique fastener requirements, such as extra-large and extra-long sizes. If you need to drill a hole through a part, fit an extra thread, add a special body diameter, or create a special pattern across the flats, we can do it for you. Blanks in every imaginable head style are stocked at our facility, and they can be modified according to your specifications.

Once we receive your fax or email containing the specification of fasteners, pricing and delivery details are dispatched within minutes. Manufacturing of custom fasteners is undertaken in our plant and deliveries can be made according to your scheduling or lay down needs - be it 24 hours, 7-10 days, or warehousing the parts plus shipping them to your location, when required. We are EDI-capable, and this enables us to provide fully integrated, dock-to-stock supply.

Chicago Nut & Bolt is A2LA-registered, compliant with the Fastener Quality Act, and ISO: 9001 2000 certified. This means you can count on us to meet all chemical and physical certifications you require. We test our fasteners using sophisticated equipment, including a state-of-the-art computerized system, which produces digitally certified tensile and yield test in accordance with ASTM requirements.

Not only do we manufacture and supply custom fasteners, but also package them according to your size, weight, container as well as labeling requirements, facilitating integration with your inventory plus handling systems. From special head marking to custom plating, every step adheres to strict controls to ensure product quality and integrity.

Custom Bolts, Nuts & Screws
Custom Bolts, Nuts & Screws

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Custom Made Fasteners Capabilities

Materials
Low or Medium Carbon Steel
Medium Carbon Alloy Steel
Medium Carbon Steel, Q & T
Raw Steel
Stainless Steel
Part Diameter (Imperial)
1/4 to 4 in
Part Diameter (Metric)
M6 to M18
Maximum Part Length
Up to 72 in
Metric Blank Diameter
M6 x 300 through M64 x 500
Fastener Types
12-Point
Carriage Bolt
Flat Head Socket Screw
Hex Cap Screw
Hex Flange
Metric
Socket Head Cap Screw
Square Head
Structural Bolt
Tap Bolt
Head Types
Hexagonal
Square
Round
Countersunk
Flanged
Flat
Oval
Pan Head
Slotted
Button Head
Drive Types
Combination
One Way
Slotted
Square
Nut Types
Coupling
Flange
Hex
Slotted
Standard Thread Pitches
8 - Thread Series (8UN)
Coarse Thread Series (UNC/UNRC)
Fine Thread Series (UNF/UNRF)
Thread Tap Bolt Grades
2
5
8
Hardness
B70 to B100
C31 to C39
Surface Finish
Galvanized
Others
Phosphate
Plain
Zinc
Options Available
Different Head Styles
Drilled Holes
Extra Thread
Special Body Diameter
Special Extra-Large / Extra-Long Fasteners
Machining Services
Drilling
Knurling
Tapping
Thread Grinding
Thread Rolling
Value Added Services
Bin Stocking Programs
Blanket Orders
Custom Plating
JIT Delivery
Package to Order
Warehousing- EDI Capable, Fully Integrated Dock-to-Stock Supply
ASTM Standards Met
A194
A307
A354
A449
A490
A563
SAE Standards Met
SAE J429 Grade 1
SAE J429 Grade 2
SAE J429 Grade 5
Quality Control Certifications
A2LA Registered - As Compliant with the Fastener Quality Act
ISO:9001 2000 Certified
Lloyd's Register System
Lloyd's Register Production
ASTM Standards
Pressure Vessel Certification
Testing Capabilities
Tensile Test
Yield Test
Testing Equipment
Hydraulic Universal Testing Machine with computer-based, automated, closed loop digital servo control and data acquisition system.
Design Software Used
AutoCAD
Solidworks

Additional Information

Minimum Order
$ 250
Quantities
1 piece to 10 million pieces
Applications
Agricultural and Farming Equipment Fasteners
Heavy Machinery Fasteners
Military and Firearms Fasteners
Mining Fasteners
Railroad Fasteners
Industries Served
Heavy Industry
Power Generation
Architecture / Construction
Military
Agriculture
Mining
Railroad
Acceptable File Formats
DXF
GIF
JPEG
PDF

Case Studies

Mining Fasteners
If you are seeking a supplier for your mining fasteners and other custom fastener services, look no further than Chicago Nut & Bolt. It takes 50 of these 3-pound bolts to secure the electric engine inside each eight-foot wheel of Komatsu Haulpak off-highway trucks. Manufactured in Peoria, Illinois, these mammoth 300-ton dump trucks are the workhorse of mining industry operations across the nation. Chicago Nut & Bolt keeps wheels turning as the manufacturer of choice for more than a dozen Haulpak mining fasteners and custom parts. It had tried traditional distributors before, but by going direct, Komatsu realized the cost savings and coordinated delivery schedules it was looking for in a single-source Custom Fastener Manufacturer and supplier.
Heavy Machinery Fasteners
A leading manufacturer of railroad locomotives, GE Transportation Systems makes quality a priority. So when the company asked its vendors if they had what it takes to be a world-class supplier, Chicago Nut & Bolt rose to the challenge. Today, we manufacture all heavy machinery fasteners and other Custom Fasteners for GE Transportation Systems according to Six Sigma specifications, the company's own quality program that goes above and beyond industry standards. We manufacture these heavy machinery fasteners in yearly quantities, inventory them on our shelves and provide a seamless supply based on electronically transmitted weekly schedules.
Military and Firearms Fasteners
Chicago Nut & Bolt also manufactures military fasteners. We work with military contractors on a variety of projects which called for custom fasteners to be used. Only the highest quality materials and precise manufacturing processes could be used to achieve the level of craftsmanship the military requires for all components of vehicles in use. Chicago Nut & Bolt is ready and willing to provide their expertise and services to help assist in the design and development of components utilizing custom made military fasteners.
Railroad Fasteners
If you need railroad fasteners from a reliable supplier, you can look to us. A leading manufacturer of railroad locomotives, GE Transportation Systems makes quality a priority. So when the company asked its vendors if they had what it takes to be a world-class supplier, Chicago Nut & Bolt was a natural. Today, we manufacture all railroad fasteners Custom Fasteners for GE Transportation Systems according to Six Sigma specifications, the company's own quality program that goes above and beyond industry standards. We manufacture railway fasteners and other products in yearly quantities, inventory them on our shelves and provide a seamless supply based on electronically transmitted weekly schedules.
Agriculture and Farming Equipment Fasteners
If you are looking for agricultural fasteners, look no further than Chicago Nut & Bolt, As a leading manufacturer of agricultural equipment, DM1 does its share to ensure that America's breadbasket stays full. High demand for DMI's revolutionary new tillage system requires extraordinary service from its vendors. Chicago Nut & Bolt delivers with an uninterrupted supply of 40 different custom agricultural fasteners. Every Monday, we receive an MRP schedule for all the custom parts DM1 will need for the next six months, a schedule that changes weekly. Our internal systems ensure that the right agricultural fasteners and other parts arrive at DM1 on time, every time.
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