Product Description:
Material: Alloy
Size: 1x 3mm, 1x 4mm, 2x 5 mm, 2x 6mm, 2x 8mm, 1x 10mm, 1x 12mm
Quantity: 10 Pieces
Color: Black
Caution:
The color and size errors of this product are within the normal range.
When drilling hard materials, it is necessary to add water for cooling to prevent the drill bit from burning.
Avoid drilling into steel bars as this can cause the cutting edge to break.