RUKO 101026TRO Step drill bit set 3-piece 4 - 12 mm, 4 - 20 mm, 4 - 30 mm HSS Triangular shank 1 Set

Step drill bit set HSS-TiN spiral-grooved in sizes 0/9, 1, 2 in ABS-plastic cassette - 3 pieces.

The deep-ground and spiral-shaped clamping groove offers absolute smoothness and high cutting performance. In particular, chips that do not break are cleanly transported away as with a twist drill. This reduces the formation of surface-mounted cutting edges and cold welding on the cutting edges. The cone makes it easier to pull back when the metal sheet is drilled through.

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Highlights & Details

• 4.0 - 12.0 mm / 4.0 - 20.0 mm / 4.0 - 30.0 mm

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