DAL / DDLSUMIDIA Drill

DAL Type DDL Type

Carbon Steel, Alloy Steel Tempered Hardened Steel StainlessTiHeat-resistant CastDuctileAluminum Copper Composite3D
Up to 0.28% From 0.29%Steel Up to 45HRC From 46HRCSteelAlloySteelsIronCast IronAlloyAlloyCFRP

G S From General to High Precision Drilling of Aluminum Alloys!

  • High precision DAL type is able to produce holes of IT Class of 7 to 8.
  • General DDL type is able to produce holes of IT class of 11 to 12, mainly for drilling of pre-tap holes.
  • DAL Type
  • DDL Type

PL PL

LCF LCF OAL OAL

GradeSUMIDIAP SteelM Stainless SteelGradeSUMIDIAP SteelM Stainless Steel
High Speed/LightNHigh Speed/LightN
K Cast IronN Non-Ferrous MetalK Cast IronNNon-Ferrous Metal
Application General PurposeApplication General Purpose
SExotic Alloy HHardened SteelS Exotic AlloyH Hardened Steel
RoughingRoughing
Diameter (Shank Diameter)Flute LengthTotal lengthTipDiameter (Shank Diameter)Flute LengthTotal lengthTip
Cat. No.Cat. No.
DC(DMM)LCFOALPLDC(DMM)LCFOALPL
DAL 0500H to 0600H ø5 ≤ DC ≤ ø631.681.6 1.6DDL 050V to 060V ø5 ≤ DC ≤ ø631.581.0 1.0
0601H to 0700H ø6 < DC ≤ ø736.991.9 1.9 061V to 070V ø6 < DC ≤ ø736.291.2 1.2
0701H to 0800H ø7 < DC ≤ ø837.292.2 2.2 071V to 080V ø7 < DC ≤ ø836.491.4 1.4
0801H to 0900H ø8 < DC ≤ ø942.5 102.5 2.5 081V to 090V ø8 < DC ≤ ø941.6 101.6 1.6
0901H to 1000Hø9 < DC ≤ ø1042.8 102.8 2.8 091V to 100Vø9 < DC ≤ ø1041.7 101.7 1.7
1001H to 1100Hø10 < DC ≤ ø1153.1 113.1 3.1 101V to 110Vø10 < DC ≤ ø1151.9 111.9 1.9
1101H to 1200Hø11 < DC ≤ ø1253.4 113.4 3.4 111V to 120Vø11 < DC ≤ ø1252.1 112.1 2.1

Note: Ordering number for (ex.) ø6.05mm drill is DAL0605H. Note: Ordering number for (ex.) ø10.5mm drill is DDL105V.

  • Recommended Cutting Conditions
  • Important Notes

v : Cutting Speed (m/min) f: Feed Rate (mm/rev) c Select a high rigidity machine and high precison holder for high Diameter DC

DAL TypeDDL Typeprecision DAL type. Oil Depth
(mm)
J● Enough coolant to drilled hole.
v80 – 100 – 150150 – 200 – 250
Up to ø8.0c
f0.05 – 0.1 – 0.15 0.1 – 0.15 – 0.25
L/D=Below 3 Emulsion
v80 – 100 – 150150 – 200 – 250

Up to ø12.0 c f 0.08 – 0.13 – 0.2 0.15 – 0.2 – 0.3 Min. - Optimum - Max.

Solid Special Indexable Reamer Brazed Others