Trusted Supplier to
Top Manufacturers

High Quality,
Tight Tolerances

KFH has one of the lowest defect rates in the industry and can often meet tolerances that other shops can’t.

Over 100 Years
of Excellence

KFH has one of the lowest defect rates in the industry and can often meet tolerances that other shops can’t.

Die Design & Metal Stamping Services

We offer premium tool and die design and manufacturing services that are used for the production of Metal Stampings dies, assemblies and production parts. Keystone has a fully operational tool and die shop which works from concept through prototyping to full production. Keystone Friction Hinge possesses a fully-equipped, traditional machine shop offering complete tooling support with over 50 years of combined experience.

Keystone’s precision metal stamping service combines the experience of our toolmakers with our dedication to quality to produce components that reliably exceed the standards of our customers. Using progressive tooling and compound/secondary tooling to produce a large variety of sheet metal pieces. We are able to offer quick turnarounds on prototypes and production runs. Our material list includes galvanized, galvannealed, cold rolled steel, hot rolled steel, stainless steel, aluminum, brass, bronze and copper.  Presses have a range of 15 – 400 tons, maximum bed length of 108″, and a maximum bed width of 54″. We can produce parts with thicknesses ranging from .012″ to .375″ with close or precision tolerances.

To learn more about Keystone’s metal stamping service, please refer to the table below or contact us today.

Title Description
General Capabilities Contract Manufacturing
Custom Metal Stamping
Production
Prototype
Industry Focus Heavy Truck
Appliance
Construction
Furniture
Military
Plumbing
Wire Brush
Vibration Control
Press Rating 15 to 400 tons
Press Speed Up to 90 strokes/min
Maximum Automatic Feed 36 in Wide by 36 in Advance depending upon Thickness
Maximum Press Bed Length 108 in
Maximum Press Bed Width 54 in
Part Thickness .012″  Min   Up to .375″
Part Tolerance (+/-)
Die  Tolerance (+/-)
Hole ± .002”  Other  ± .005” / ±.010” / ±.030”
± .000
 

Die Types

Progressive
Single Hit
Forming Dies
Blanking Dies
Secondary Dies
 

Production Method

Progressive Die
The raw stock is fed into a single die that has multiple stations to insure perfect quality.
Compound / Secondary
 

 

Production Volume

Specialty Production Shop
Prototype
High Volume
Large Run
Long Run
Large Production Volume Run
Materials Aluminum
Brass
Bronze
Cold Rolled Steel
High Strength Low Alloy Steel
Bronze
Pre-Finished Metals
Stainless Steel
HRP&O
Copper
Stamping Product Furniture Parts
Fuses
Hardware
Heat sinks
Stamping Features Coated
coined
Countersunk
Embossed
Enameled
Heat Treated
Numbering
Shape Critical
Tapped
Threaded
Flat
Additional Services Provided Assembly
DE burring
Design
Heat Treating
Plating
Packaging
Powder Coating
Tapping
Trimming
Pre-plated
welding
E-Cote
Rivet
File Formats AutoCAD (DWG,DWZ)
AutoCAD (DWG,DXF)
BMP – Bit Mapped Graphics
DXF – Drawing Interchange Format, or Drawing Exchange Format
GIF – Graphics Interchange Format
IGES – Initial Graphics
Exchange Specification, ANSI file format.
JPG or JEPG – Joint Photographic Experts Group
PDF – Portable Document Format
Pro-E or Pro/Engineer (DRW,PRT,XPR)
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KFH has a culture that is engaged and wants to do the right thing; from the top guy in the company to the people who are building the parts.