TARAUD 1/4" - 20 - PROFILÉ CARRÉ : 4.9MM - Rotec, HSS Hand tap set, 3 pcs, DIN 352, UNC 1/4" -20 - 308.0014

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Rotec

Les 3 pièces

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En fonction des filetages, les kits peuvent se composer de plusieurs tarauds, y compris d'ébauche

Certifié DIN 352.

Remarque : La taille « Profilé carré » correspond à la surface de serrage du porte-outil du taraud
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UNC 1/4"-20 x 4.9mm square. 
DIN 352. Each set includes 3 UNC coarse (Unified National Course) HSS taps, consisting of 1x plug/bottoming tap, 1x second tap and 1x a taper tap. 
Used for cutting internal imperial threads (UNF fine or UNC coarse), like commonly used in the USA. 
Note: The 'square' size is diameter of the shank, for checking size compatibility with the jaws of hand-tapping wrenches.