RUKO 2501215TRO HSS-G Twist drill bit set 25-piece 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm,

RUKO 2501215TRO HSS-G Twist drill bit set 25-piece 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 7.5 mm, 8 mm, 8.5 mm, 9 mm, 9.5 mm, 10 mm, 10.5 mm, 11 mm, 11.5 mm, 12 mm, 12.5 mm, 13 mm TiN DIN 338 1 pc(s)

25-piece spiral drill set DIN 338 Type N HSS G TiN Ø 1.0 mm to 13.0 mm x 0.5 mm increasing - powerful, ground standard spiral drill bits made of high-performance high-speed work steel. The fully ground twist drill has a precise concentricity. Due to the cross-grinding this drill has a good centering and requires a low feed force. HSS G:High-performance high-speed steel for drilling in well-machined materials with a strength of up to 900 N/mm². The titanium nitrite coating is a universal standard layer. It offers a 300-400% longer service life compared to uncoated tools. Cooling is recommended.

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