13 Piece High Speed Steel Ground Drill Bit Set
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A selection of 13 good quality metric high speed steel ground drill bits. High speed steel is used as it's better equipped to withstand the increases in friction and heat when drilling, so the bits maintain their hardness. Sizes range from 1.5mm to 6.5mm in 0.5mm increments, plus 3.2 and 4.8mm.
- Ground high speed steel
- Supplied in plastic case
- Sizes 1.5mm to 6.5mm in 0.5mm increments, plus 3.2 and 4.8mm