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File:Drill shank triangle.jpg

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Summary

Description
English: Triangle drill shank.

Three flats are machined on the straight shank, for increased torque transmission.

Drill made in UK in about 1980.

The shank is about 6 mm diameter.
Source Picture taken UK, June 2005.
Author Emrys2

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Date/TimeThumbnailDimensionsUserComment
current07:37, 26 June 2005Thumbnail for version as of 07:37, 26 June 20051,038 × 672 (46 KB)Emrys2Triangle drill shank. Three flats are machined on the straight shank, for increased torque transmission. Drill made in UK in about 1980. Picture taken UK, June 2005. The shank is about 6 mm diameter. {{GFDL}}
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