Taps, dies and reamers
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Episode of Series “Basic Engineering” The process of drilling and countersinking a hole is demonstrated also the cutting of the thread by means of a set of three taps; lubrication is emphasised, and various kinds of tap wrench are shown. Dies of various kinds, and their uses, are demonstrated, as also are parallel, spiral, tapered, and expanding reamers.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
Original permalink · Record added 2026-01-23 04:06:37