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Model # SI4120A Specifications
5mm Drill With 1/2" Shank
Rinses residue-free for use prior to plating or painting
in plastic holder
Universal high performance tapping
3/8" UNC HSS L/H Second Tap ImpUNC 1/2x1.1/2 Model # SI4120A SpecificationsFor producing precision Left Hand threads by hand tapping, ideal for through holes