GBP 57 Solid Type 0 h6 HPC carbide Standard N +0.004 2 x 130° Solid carbide micro drill HPC with shank ⌀ 3 h6 High performance miniature drill with extra long flutes. Shank ⌀ 3 h6 for shrink-fit chucks. High concentricity, precision ground for HPC applications in steel. Note: Flute length LC = L2 + 1.5 × DC. ⌀ 3 h6 12 1220 L LC L2 ⌀ DC ⌀ DS Suitable for/ vc [m/min] ISO code N N N P P P P P H H H H M M S K N ​ ​ ​ ​ ​ ​ 12 1220 200 140 140 70 70 70 55 35 25 35 30 20 90 140 ● ● ○ ⌀ DC +0.004 12 1220 L2 L ⌀ Ds ⌀ DC +0.004 12 1220 L2 L ⌀ Ds 11E 11E < 1100 N < 1100 N Solid carbide HPC Solid carbide HPC micro-drill f micro-drill f mm TiAlN mm mm mm mm/rev. mm TiAlN mm mm mm mm/rev. 0,1 eShop 1.1 38 3 0.01 1,5 eShop 8.3 38 3 0.04 0,15 eShop 1.8 38 3 0.01 1,51 eShop 8.3 38 3 0.04 0,2 eShop 3.2 38 3 0.01 1,52 eShop 8.3 38 3 0.04 0,25 eShop 3.2 38 3 0.01 1,53 eShop 8.3 38 3 0.04 0,3 eShop 5.1 38 3 0.01 1,55 eShop 8.2 38 3 0.04 12 0,35 eShop 5 38 3 0.01 1,6 eShop 8.1 38 3 0.04 0,4 eShop 6.4 38 3 0.01 1,65 eShop 8.1 38 3 0.04 0,45 eShop 6.4 38 3 0.01 1,7 eShop 8 38 3 0.04 0,5 eShop 6.3 38 3 0.02 1,75 eShop 7.9 38 3 0.04 0,55 eShop 6.2 38 3 0.02 1,8 eShop 7.8 38 3 0.04 0,6 eShop 6.1 38 3 0.02 1,85 eShop 9.3 38 3 0.04 0,65 eShop 6.1 38 3 0.02 1,9 eShop 9.2 38 3 0.05 0,7 eShop 9.5 38 3 0.02 1,95 eShop 9.1 38 3 0.05 0,75 eShop 9.4 38 3 0.02 1,97 eShop 9.1 38 3 0.05 0,8 eShop 9.3 38 3 0.02 1,98 eShop 9.1 38 3 0.05 0,85 eShop 9.3 38 3 0.03 1,99 eShop 9.1 38 3 0.05 0,9 eShop 9.2 38 3 0.03 2 eShop 10 42 3 0.05 0,95 eShop 9.1 38 3 0.03 2,01 eShop 10 42 3 0.05 0,97 eShop 9.1 38 3 0.03 2,02 eShop 10 42 3 0.05 0,98 eShop 9.1 38 3 0.03 2,03 eShop 10 42 3 0.05 0,99 eShop 9.1 38 3 0.03 2,05 eShop 10 42 3 0.05 1 eShop 9 38 3 0.03 2,1 eShop 9.9 42 3 0.05 1,01 eShop 9 38 3 0.03 2,15 eShop 9.8 42 3 0.05 1,02 eShop 9 38 3 0.03 2,2 eShop 11.7 46 3 0.05 1,03 eShop 9 38 3 0.03 2,25 eShop 11.7 46 3 0.05 1,05 eShop 9 38 3 0.03 2,3 eShop 11.6 46 3 0.05 1,1 eShop 8.9 38 3 0.03 2,35 eShop 11.5 46 3 0.05 1,15 eShop 8.8 38 3 0.03 2,4 eShop 11.4 46 3 0.05 1,2 eShop 8.7 38 3 0.03 2,45 eShop 11.4 46 3 0.05 1,25 eShop 8.7 38 3 0.03 2,47 eShop 11.3 46 3 0.05 1,3 eShop 8.6 38 3 0.03 2,48 eShop 11.3 46 3 0.05 1,35 eShop 8.5 38 3 0.03 2,49 eShop 11.3 46 3 0.05 1,4 eShop 8.4 38 3 0.04 2,5 eShop 11.3 46 3 0.05 1,45 eShop 8.4 38 3 0.04 2,51 eShop 11.3 46 3 0.05 1,47 eShop 8.3 38 3 0.04 2,52 eShop 11.3 46 3 0.05 1,48 eShop 8.3 38 3 0.04 2,53 eShop 11.3 46 3 0.05 1,49 eShop 8.3 38 3 0.04 ​ ​ ​ ​ ​ ​ 87