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Drill Blanks/Gages

Solid Carbide Drill Blanks and Test Pins

Helfer supplies solid carbide drill blanks and gages. Order any size from .009 inches to 1.000 inches in diameter and up to 8-inch lengths. Both English and Metric sizes are available. Many non-standard sizes are in stock; for example, .0225, .0885 and .098 inches.

Six to ten micro finish is standard and our standard tolerance is ±.0002 inches. Tolerances of ±.0001 inches are available upon request.

We also supply the electronics industry with precision single-end and double-end test pins. Tolerances available are to + .0001 and — .0000 inches.

Six to ten micro finish is standard with lengths to our customer’s specifications. All test pins conform to military specifications.

  • Carbide Drill Blank
  • Carbide Radius Test Pin
Solid carbide drill blanks and test pins

Carbide Drill Blank & Test Pin