Gundrill Blanks

Overview

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. Gundrill heads requiring diameters greater than 0.770” OD can be manufactured with one or two coolant holes.

Standard grades for gundrills include:
・HB-2
・HB-3
・HB-110

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Carbide Blanks & Preforms

• Carbide Drill & Reamer Blanks

  

  Using both CNC and manual equipment H.B. Carbide can provide detailed special preforms with minimal grind stock to your print.

• 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.

• Carbide Die Blanks

  

  Die blanks are available in multiple grades for die nibs, drill bushings, valve trim, chokes and more.

• Special Extrusions

  

  Star SU carries the following standard extruded products in most H.B. Carbide grades.

• 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.

• 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.

• 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.