TopGroove™ Custom Order TopGroove Inserts with Chip Control „A-SK Specials 10˚ positive cutting action • Deep grooving • Deep face grooving insert catalogue number corner radii range right hand left hand width range W R1 and R2 E T grades NGD3-R-SK NGD3-L-SK 1,45–1,75 .008–.033 3,18 or or 2,26–2,57* .008–.033 6,35 4,95 3,05–3,35* .008–.033 6,35 NFD3-R-SK NFD3-L-SK Carbide grades 4,67–4,98* .046–.071 6,35 quoted upon request. NGD4-R-SK NG4-L-SK 3,05–3,35* .008–.033 6,35 See page E47. or or 4,57–4,98* .046–.071 9,53 6,48 NFD4-R-SK NF4-L-SK 6,22–6,53* .046–.071 12,70 *One cutting edge. NG-SK, NF-SK, NGD-SK, and NFD-SK inserts may be specially If deeper cutting depth (E) is required, please specify. Refer to ordered within the specifications listed in the above charts. the application drawing and charts for maximum face groove depths and minimum face groove diameters. Order example: NF3R-SK W = .090, R1 = .010, R2 = .010, grade TN6010™. In addition to the guidelines above, full radius face groove insertsmay be quoted. Under certain conditions, chip control performance Unless otherwise specified, a standard tolerance of ±0,03mm may vary from standard insert styles. on width (W) will be applied, and a standard tolerance of ±0,06mm on radii (R1 and R2) will be applied. „C1-SK Specials • Groove and chamfer insert catalogue number corner radii range right hand left hand width range W R1 and R2 E T grades NB2-R-K NB2-L-K 1,19–3,18 0,13–0,38 2,54 3,81 Carbide grades quoted upon request. See page E47. NB3-R-K NB3-L-K 2,39–4,32 0,13–0,64 3,81 4,95 NOTE: The above insert style is for simultaneous groove and chamfer operations with chip control. widia.com E83