Hardly suitable for aluminium. Definitely not for steel. For hard materials it is better to buy a proper tap. 3 stars because they are cheap.
Cordless drill driver BOSCH GSR 120-LI (06019G8020/06019G8000)
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Bit set DeWALT DT7969-QZ, 32 pcs.
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𧱠Bosch 2607017164 Piece Setter Masonry: Advanced Tools for Precision Masonry Work
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Tool set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
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