RUKO 228040 HSSE-Co 5 Twist drill bit 4 mm Total length 75 mm DIN 338 1 pc(s)

Ø 4.0 x 75 x 43 mm. This high-performance spiral drill has been specially developed for portable use in drills and cordless drill bits (best performance up to 5.0 mm material thickness). - This high-performance spiral drill has been specially developed for portable use in drills and cordless drills (best performance up to 5.0 mm material thickness). The three-area shank provides for an excellent fixing in the drill chuck with low effort. In addition, the shaft provides for an optimum power transmission. No twisting of the drill! The 135º high-performance cutting edge ensures very high centering accuracy, especially in handheld applications with the cordless drill driver. The blade prevents slipping when drilling on curved surfaces. Increased battery life by reducing cutting forces. The black chamfer increases the wear resistance and prevents cold welding and body cutting. The 40º twist angle enables a perfect and fast chip removal and provides for high cutting speeds with increased stability and accuracy. HSS Co 5:High-performance high-speed working steel with 5% cobalt content. High toughness and heat resistance, for drilling in hard-to-work materials with a strength of up to 1100 N/mm².

This text is machine translated.