Micro Long Drill MLDH-L / MLDH-P Type Internal Coolant Supply Carbon Steel,Aloy Steel Tempered Hardened Steel Stainless Ti Heat-resistant Cast Ductile Aluminum Copper Composite Up to 0.28% From 0.29% Steel Up to 45HRC From 46HRC Steel Alloy Steels Iron Cast Iron Alloy Alloy CFRP G GD S S G G G S ● MLDH-P Type W/ Oil Hole 2D ● MLDH-L Type W/ Oil Hole 5D 12D 20D 30D LU Coat Coat +0.010 PL -0.010 -0.010 DC LU -0.010 0 ø3.0 DC 0 0 ø3.0 135° 0 145° PL LCF LCF OAL OAL ■ Body Diameter ø0.80 to 0.90mm ■ Body Diameter ø0.91 to 1.05mm Diameter Hole Depth Stock Dimensions (mm) Shank Diameter Hole Depth Stock Dimensions (mm) Shank DC (L/D) Cat. No. Ef ective Length Flute Length Total length Tip DMM DC (L/D) Cat. No. Ef ective Length Flute Length Total length Tip DMM (mm) LU LCF OAL PL (mm) (mm) LU LCF OAL PL (mm) 2 D MLDH 0800P 2.4 3.2 45.0 0.1 2 D MLDH 0910P 2.7 3.6 45.0 0.1 5 D 0800L5 4.8 8.0 50.0 0.2 5 D 0910L5 5.4 10.0 50.0 0.2 0.80 12 D 0800L12 10.4 14.0 55.0 0.2 3.0 0.91 12 D 0910L12 11.8 15.0 55.0 0.2 3.0 20 D 0800L20 16.8 19.0 60.0 0.2 20 D 0910L20 19.1 22.0 65.0 0.2 30 D 0800L30 24.8 28.0 70.0 0.2 30 D 0910L30 28.2 31.0 75.0 0.2 2 D MLDH 0810P 2.4 3.2 45.0 0.1 2 D MLDH 0920P 2.7 3.7 45.0 0.1 5 D 0810L5 4.8 9.0 50.0 0.2 5 D 0920L5 5.5 10.0 50.0 0.2 0.81 12 D 0810L12 10.5 14.0 55.0 0.2 3.0 0.92 12 D 0920L12 11.9 16.0 60.0 0.2 3.0 20 D 0810L20 17.0 19.0 60.0 0.2 20 D 0920L20 19.3 22.0 65.0 0.2 30 D 0810L30 25.1 28.0 70.0 0.2 30 D 0920L30 28.5 31.0 75.0 0.2 2 D MLDH 0820P 2.4 3.3 45.0 0.1 2 D MLDH 0930P 2.7 3.7 45.0 0.1 5 D 0820L5 4.9 9.0 50.0 0.2 5 D 0930L5 5.5 10.0 50.0 0.2 0.82 12 D 0820L12 10.6 14.0 55.0 0.2 3.0 0.93 12 D 0930L12 12.0 16.0 60.0 0.2 3.0 20 D 0820L20 17.2 20.0 60.0 0.2 20 D 0930L20 19.5 22.0 65.0 0.2 30 D 0820L30 25.4 28.0 70.0 0.2 30 D 0930L30 28.8 32.0 75.0 0.2 2 D MLDH 0830P 2.4 3.3 45.0 0.1 2 D MLDH 0940P 2.8 3.8 45.0 0.1 5 D 0830L5 4.9 9.0 50.0 0.2 5 D 0940L5 5.6 10.0 50.0 0.2 0.83 12 D 0830L12 10.7 14.0 55.0 0.2 3.0 0.94 12 D 0940L12 12.2 16.0 60.0 0.2 3.0 20 D 0830L20 17.4 20.0 60.0 0.2 20 D 0940L20 19.7 23.0 65.0 0.2 30 D 0830L30 25.7 28.0 70.0 0.2 30 D 0940L30 29.1 32.0 75.0 0.2 2 D MLDH 0840P 2.5 3.4 45.0 0.1 2 D MLDH 0950P 2.8 3.8 45.0 0.1 5 D 0840L5 5.0 9.0 50.0 0.2 5 D 0950L5 5.7 10.0 50.0 0.2 0.84 12 D 0840L12 10.9 14.0 55.0 0.2 3.0 0.95 12 D 0950L12 12.3 16.0 60.0 0.2 3.0 20 D 0840L20 17.6 20.0 60.0 0.2 20 D 0950L20 19.9 23.0 65.0 0.2 30 D 0840L30 26.0 29.0 70.0 0.2 30 D 0950L30 29.4 32.0 75.0 0.2 2 D MLDH 0850P 2.5 3.4 45.0 0.1 2 D MLDH 0960P 2.8 3.8 45.0 0.2 5 D 0850L5 5.1 9.0 50.0 0.2 5 D 0960L5 5.7 10.0 50.0 0.2 J 0.85 12 D 0850L12 11.0 14.0 55.0 0.2 3.0 0.96 12 D 0960L12 12.4 16.0 60.0 0.2 3.0 20 D 0850L20 17.8 20.0 60.0 0.2 20 D 0960L20 20.1 23.0 65.0 0.2 30 D 0850L30 26.3 29.0 70.0 0.2 30 D 0960L30 29.7 33.0 75.0 0.2 Drilling 2 D MLDH 0860P 2.5 3.4 45.0 0.1 2 D MLDH 0970P 2.9 3.9 45.0 0.2 5 D 0860L5 5.1 9.0 50.0 0.2 5 D 0970L5 5.8 10.0 50.0 0.2 0.86 12 D 0860L12 11.1 15.0 55.0 0.2 3.0 0.97 12 D 0970L12 12.6 16.0 60.0 0.2 3.0 20 D 0860L20 18.0 21.0 65.0 0.2 20 D 0970L20 20.3 23.0 65.0 0.2 Solid 30 D 0860L30 26.6 29.0 70.0 0.2 30 D 0970L30 30.0 33.0 75.0 0.2 2 D MLDH 0870P 2.6 3.5 45.0 0.1 2 D MLDH 0980P 2.9 3.9 45.0 0.2 Special 5 D 0870L5 5.2 9.0 50.0 0.2 5 D 0980L5 5.8 10.0 50.0 0.2 Indexable 0.87 12 D 0870L12 11.3 15.0 55.0 0.2 3.0 0.98 12 D 0980L12 12.7 17.0 60.0 0.2 3.0 20 D 0870L20 18.2 21.0 65.0 0.2 20 D 0980L20 20.5 24.0 65.0 0.2 Reamer 30 D 0870L30 26.9 30.0 70.0 0.2 30 D 0980L30 30.3 33.0 75.0 0.2 2 D MLDH 0880P 2.6 3.5 45.0 0.1 2 D MLDH 0990P 2.9 4.0 45.0 0.2 Brazed 5 D 0880L5 5.2 9.0 50.0 0.2 5 D 0990L5 5.9 10.0 50.0 0.2 Others 0.88 12 D 0880L12 11.4 15.0 55.0 0.2 3.0 0.99 12 D 0990L12 12.8 17.0 60.0 0.2 3.0 20 D 0880L20 18.4 21.0 65.0 0.2 20 D 0990L20 20.7 24.0 65.0 0.2 30 D 0880L30 27.2 30.0 70.0 0.2 30 D 0990L30 30.6 34.0 75.0 0.2 2 D MLDH 0890P 2.6 3.6 45.0 0.1 2 D MLDH 1000P 3.0 4.0 45.0 0.2 5 D 0890L5 5.3 9.0 50.0 0.2 5 D 1000L5 6.0 10.0 50.0 0.2 0.89 12 D 0890L12 11.5 15.0 55.0 0.2 3.0 1.00 12 D 1000L12 13.0 17.0 60.0 0.2 3.0 20 D 0890L20 18.6 21.0 65.0 0.2 20 D 1000L20 21.0 24.0 65.0 0.2 30 D 0890L30 27.5 30.0 70.0 0.2 30 D 1000L30 31.0 34.0 75.0 0.2 2 D MLDH 0900P 2.7 3.6 45.0 0.1 2 D MLDH 1050P 3.1 4.2 45.0 0.2 5 D 0900L5 5.4 9.0 50.0 0.2 5 D 1050L5 6.3 12.0 55.0 0.2 0.90 12 D 0900L12 11.7 15.0 55.0 0.2 3.0 1.05 12 D 1050L12 13.6 18.0 60.0 0.2 3.0 20 D 0900L20 18.9 22.0 65.0 0.2 20 D 1050L20 22.0 25.0 65.0 0.2 30 D 0900L30 27.9 31.0 75.0 0.2 30 D 1050L30 32.5 36.0 80.0 0.2 Grade: ACV70 Grade: ACV70 J64