DIN-OB 3×D Solid Carbide Drills
External Cooling
TiSiN-coated, 140° point angle.
For stainless steel, alloy steel, tool steel, titanium alloys and high-temperature alloys.
Internal Cooling
TiSiN-coated with through-coolant holes.
Improved chip evacuation and cooling for stable drilling in demanding materials.
DIN-OB 3×D Dimensions
All dimensions are in millimeters. External and internal cooling drills are listed separately for clear model selection.
DIN-OB 3×D External Cooling Solid Carbide Drills
Unit: mm| Order No. | Ød | A° | L1 | ØD | OAL |
|---|---|---|---|---|---|
| DIN-OB3XD-030-037-D4 | 3.0-3.7 | 140° | 20 | 4 | 62 |
| DIN-OB3XD-038-040-D4 | 3.8-4.0 | 140° | 24 | 4 | 66 |
| DIN-OB3XD-030-037 | 3.0-3.7 | 140° | 20 | 6 | 62 |
| DIN-OB3XD-038-047 | 3.8-4.7 | 140° | 24 | 6 | 66 |
| DIN-OB3XD-048-060 | 4.8-6.0 | 140° | 28 | 6 | 66 |
| DIN-OB3XD-061-070 | 6.1-7.0 | 140° | 34 | 8 | 79 |
| DIN-OB3XD-071-080 | 7.1-8.0 | 140° | 41 | 8 | 79 |
| DIN-OB3XD-081-100 | 8.1-10.0 | 140° | 47 | 10 | 89 |
| DIN-OB3XD-101-120 | 10.1-12.0 | 140° | 55 | 12 | 102 |
| DIN-OB3XD-121-140 | 12.1-14.0 | 140° | 60 | 14 | 107 |
| DIN-OB3XD-141-160 | 14.1-16.0 | 140° | 65 | 16 | 115 |
| DIN-OB3XD-161-180 | 16.1-18.0 | 140° | 73 | 18 | 123 |
| DIN-OB3XD-181-200 | 18.1-20.0 | 140° | 79 | 20 | 131 |
DIN-OB 3×D Internal Cooling Solid Carbide Drills
Unit: mm| Order No. | Ød | A° | L1 | ØD | OAL |
|---|---|---|---|---|---|
| DIN-OB3XD-030-037-D4-C | 3.0-3.7 | 140° | 20 | 4 | 62 |
| DIN-OB3XD-038-040-D4-C | 3.8-4.0 | 140° | 24 | 4 | 66 |
| DIN-OB3XD-030-037-C | 3.0-3.7 | 140° | 20 | 6 | 62 |
| DIN-OB3XD-038-047-C | 3.8-4.7 | 140° | 24 | 6 | 66 |
| DIN-OB3XD-048-060-C | 4.8-6.0 | 140° | 28 | 6 | 66 |
| DIN-OB3XD-061-070-C | 6.1-7.0 | 140° | 34 | 8 | 79 |
| DIN-OB3XD-071-080-C | 7.1-8.0 | 140° | 41 | 8 | 79 |
| DIN-OB3XD-081-100-C | 8.1-10.0 | 140° | 47 | 10 | 89 |
| DIN-OB3XD-101-120-C | 10.1-12.0 | 140° | 55 | 12 | 102 |
| DIN-OB3XD-121-140-C | 12.1-14.0 | 140° | 60 | 14 | 107 |
| DIN-OB3XD-141-160-C | 14.1-16.0 | 140° | 65 | 16 | 115 |
| DIN-OB3XD-161-180-C | 16.1-18.0 | 140° | 73 | 18 | 123 |
| DIN-OB3XD-181-200-C | 18.1-20.0 | 140° | 79 | 20 | 131 |
Available: 0.1 mm increments within each listed diameter range.
Ordering Examples
Ø3.5 mm, Ø4.0 mm shank, external cooling: DIN-OB3XD-035-D4
Ø3.5 mm, standard shank, external cooling: DIN-OB3XD-035
Ø6.8 mm, standard shank, internal cooling: DIN-OB3XD-068-C