Cylindrical drill bushes, DIN 179

Drill bushes

Cylindrical drill bushes to DIN 179 guide drills and reamers in drilling jigs, templates and gauges. This category holds 1152 versions with bore diameters from 2.2 to 36 mm, lengths from 8 to 56 mm and outside diameters from 5 to 55 mm, all in hardened steel.

Selection follows the bore diameter, the outside diameter of the seat and the body length, which is listed as short, medium or long. The bore is supplied as form A, rounded on one side, or form B, rounded on both sides.

⚡DIN 179 - dimensions, tolerances and forms A and B of the plain drill bush are standardised and interchangeable
⚡Bore 2.2 to 36 mm - 1152 versions cover the range in fine steps, including intermediate sizes such as 7.4 and 14.8 mm
⚡Length 8 to 56 mm - each bore diameter is available in short, medium and long bodies
⚡Outside diameter 5 to 55 mm - defines the seat bore in the jig plate
⚡Hardened steel - material of every version in this category, rated for service life under repeated drill guidance

Drill bushes of this type are pressed into drilling jigs in tool and jig making. They hold the cutting tool in a fixed position during series drilling and limit bore wander. Form B, rounded on both sides, is chosen when the bush is fitted either way round or approached from both faces.

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  1. Drill bush DIN 179 form A, long type, bore 7.5 mm, length 20 mm, outside dia 12 mm
    €7.06
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