Solid Carbide Drills DHN - for High temperature alloy ∙ External Coolant ∙ 3D P M K N S H Specification .3×D Cutting depth .Reinforced Shank .140° Tip Angle .Helix : 12° ~ 20° ○ ○ ○ ● ● .SINIX Plus Coating .Tolerance h8 .Double Margins Design .RX Tip Design .External Coolant Unit:mm Order No. D L1 L Ds Order No. D L1 L Ds DHN303100307 3.10 20 62 6 DHN303200307 3.20 20 62 6 DHN303300307 3.30 20 62 6 DHN303400307 3.40 20 62 6 DHN303500307 3.50 20 62 6 DHN303600307 3.60 20 62 6 DHN303700307 3.70 20 62 6 DHN303800307 3.80 20 62 6 DHN303900307 3.90 20 62 6 DHN304000307 4.00 24 66 6 DHN304200307 4.20 24 66 6 DHN304500307 4.50 24 66 6 DHN304600307 4.60 24 66 6 DHN304650307 4.65 24 66 6 DHN304800307 4.80 28 66 6 DHN305000307 5.00 28 66 6 DHN305500307 5.50 28 66 6 DHN305560307 5.56(7/32") 28 66 6 DHN305700307 5.70 28 66 6 DHN305800307 5.80 28 66 6 DHN306000307 6.00 28 66 6 DHN306350307 6.35(1/4") 34 79 8 DHN306400307 6.40 34 79 8 DHN306500307 6.50 34 79 8 DHN306800307 6.80 34 79 8 DHN307000307 7.00 34 79 8 DHN307400307 7.40 41 79 8 DHN307500307 7.50 41 79 8 DHN307800307 7.80 41 79 8 DHN308000307 8.00 41 79 8 DHN308500307 8.50 47 89 10 DHN308800307 8.80 47 89 10 DHN309000307 9.00 47 89 10 DHN309250307 9.25 47 89 10 DHN309300307 9.30 47 89 10 DHN309500307 9.50 47 89 10 DHN309800307 9.80 47 89 10 DHN310000307 10.00 47 89 10 DHN310200307 10.20 55 102 12 DHN310500307 10.50 55 102 12 DHN310700307 10.70 55 102 12 DHN311000307 11.00 55 102 12 DHN311200307 11.20 55 102 12 DHN311500307 11.50 55 102 12 DHN311700307 11.70 55 102 12 DHN312000307 12.00 55 102 12 Cutting conditions : Table 06 B029