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Fastener Engineering & Prototyping



With experienced customer service specialists, we can take care of all your custom fastener needs even in the absence of a blueprint or other specific details. Chicago Nut & Bolt can either design a one-of-a-kind fastener or help you to choose an appropriate one from our large inventory. To ensure rapid prototyping, we stock blanks in different styles and sizes, including socket head cap screws, structural bolts, hex flange bolts, and carriage bolts. We stock a variety of other unified, threaded, and metric fasteners as well.

Our fastener prototypes comply with your specifications for geometry, joint design, and structure. We also provide assistance in material selection to suit the temperature variation, corrosion, and vibration resistance requirements of your applications. Prototypes can also be finished with different options, such as plating or painting. As we offer a full range of flexible fastener supply services, no order is too small or too large to command our full attention. Whether it is one piece or a million pieces, prototype or production, Chicago Nut & Bolt delivers.





Fastener Engineering & Prototyping Capabilities  · Additional Information

Fastener Engineering & Prototyping 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

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

Surface Finish

Galvanized
Phosphate

Plain

Zinc

Others

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

JIT Delivery

Custom Plating

Package to Order

Fully Integrated Dock-to-Stock Supply

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

Acceptable File Formats

DXF
GIF

JPEG

PDF


Additional Information

Quantities

1 piece to 10 million pieces

Minimum Order

$ 250

Applications

Agricultural and Farming Equipment Fasteners
Heavy Machinery Fasteners

Military and Firearms Fasteners

Mining Fasteners

Railroad Fasteners

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

Industries Served

Heavy Industry
Power Generation

Architecture / Construction

Military

Agriculture

Mining

Railroad


Chicago Nut & Bolt | Leader in High 
Quality Fastener Products