Double clamp boring bar for holding a 55° rhombus negative insert with an inscribed circle diameter of 9.525mm, 4.76mm thick (ISO designation DN.. 1104.. ), left hand 93° end cutting with off-set shank according to ISO 26623 (Polygon Shank Coupling) size C4, with 17mm funtional width and 90mm protruding length for internal chamfering, taper boring, single and multi-directional copy boring and longitudinal boring with and without shoulder

• Product Name ISO: C4-DDUNL-17090-11
• Ordering Code ANSI: C4-DDUNL-17090-11
• EDP Number: 7809868
• Material Application Priority Usage: H - Hardened materials (any engineering metal with a hardness > 45HRC), K - Cast Iron (castings of iron and carbon alloys with > 2% carbon content), M - Stainless steel (corrosion resistant steels with = 11% chromium content), P - Steel and cast steel (steels with alloy content = 10% and a hardness of < 45HRC), S - High-temperature alloys (superalloys with high temperature stength and corrosion resistant surpassing that of stainless steel)