Dormer E500 HSS Coarse Tap Straight Flute 4mm Second C3-A security TRX-Star* bits and 3/8"Sq

security TRX-Star* bits and 3/8"Sq drive bit adaptor

Extendable handle aids transportation and folds away for compact storage when not in use

Double-sided rack for safe and tidy workshop storage of most vehicle bumpers

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Dormer E500 HSS Coarse Tap Straight Flute 4mm Second C3-A security TRX-Star* bits and 3/8"SqDormer E500 straight flute taps are the only type of taps that can be used by hand, but they may also be used in a machine if required. Extremely versatile, can tap through or blind holes in most materials. When tapping blind holes straight flute taps should be used in sets. The three taps which form a set are known by more than one name. 1. Taper or First tap 2. Second or Intermediate tap 3. Bottoming, third or plug tap. Metric coarse straight flute