Carbide Blanks & Preforms

Carbide Blanks & Preforms

Star SU offers a wide variety of tungsten carbide blanks and preforms from H.B. Carbide. Using only the highest quality raw materials and employing state-of-the-art, computer controlled vacuum furnaces and vacuum Sinter-Hipping furnaces, these cemented carbide preforms can be used for cutting tools, dies and wear parts in a variety of specialized applications, including: automotive, aerospace, oil and gas, energy, paper, firearms, medical, woodworking, recycling, injection molding, cold heading, and mining. Blanks and preforms are available in ten grades. A grade chart explains some of the general applications for each of the grades.
As an added feature to your preform H.B. Carbide can provide finish grinding, too.
- Centerless Grinding
- Grinding Between Centers
- Grinding Multiple Diameters
- Flat Grinding
- Center Lapping

Specialty Blanks

Specialty Blanks

Blanks can be manufactured for your specific requirements using any of the grades we offer. Our experienced operators, using CNC and manual equipment, can manufacture nearly any blank you require.

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Round Rod

Round Rod

H.B. Carbide manufactures several types of round rod in numerous sizes and multiple grades including round rods, single hole rods, two-hole rods, ground round rods, and helical hole rods.

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Gundrill Blanks

Gundrill Blanks

Standard gundrill extrusions up to 12.2” long are available in diameters ranging from 0.098” to 0.770” OD and are available with three different coolant hole geometries.

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Flat Blanks

Flat Blanks

Flat blanks are available from H.B. Carbide in all carbide grades. They can be used for wire EDM, knife blanks, form tools, rings, and washers.

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Threaded Preforms

Threaded Preforms

H.B.Carbide offers threaded preform with eliminated steel plugs. These preforms are threaded to a usable size, coating friendly and can be offered without additional lead times.

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OD Grinding

OD Grinding

H.B. Carbide Company has the capability to centerless grind diameters between 3/64” and 1.25” OD up to 13” long, to an h6 tolerance. 

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