Centre > Drills > Industrial
Centre Drills – Carbide
D318Drills, Carbide, Centre
Designed to maintain accurate centre holes on long production runs
Also used to ensure accurate starting and centring when precision drilling is required
Suitable for materials up to 1600N/mm2
Item #
Diameter d1 (mm)
Diameter d1 (inch)
Length l1 (mm)
Length l2 (mm)
Diameter d2 (mm)
Info
D3180001
1.19
3/64
32
1.59
1/8
- Pack Qty: 1
- Barcode: 9311963362465
- Order Multiple: 1
D3180001
D3180002
1.98
5/64
48
2.38
3/16
- Pack Qty: 1
- Barcode: 9311963362472
- Order Multiple: 1
D3180002
D3180003
2.78
7/64
51
3.57
1/4
- Pack Qty: 1
- Barcode: 9311963362489
- Order Multiple: 1
D3180003
D3180004
3.18
1/8
54
2.38
5/16
- Pack Qty: 1
- Barcode: 9311963362496
- Order Multiple: 1
D3180004
D3180005
4.76
3/16
70
6.35
7/16
- Pack Qty: 1
- Barcode: 9311963362502
- Order Multiple: 1
D3180005
D3180006
5.56
7/32
76
7.15
1/2
- Pack Qty: 1
- Barcode: 9311963362519
- Order Multiple: 1
D3180006
- Drills, Carbide, Centre
- Designed to maintain accurate centre holes on long production runs
- Also used to ensure accurate starting and centring when precision drilling is required
- Suitable for materials up to 1600N/mm2
| ISO | VDI | Description | Condition | Hardness | Strength | Optimal |
|---|---|---|---|---|---|---|
| P | 1 | Steel - Non-alloy, cast & free cutting (~ 0.15 %C) | Annealed | 125HB | 440MPa | |
| P | 2 | Steel - Non-alloy, cast & free cutting (~ 0.45 %C) | Annealed | 190HB | 640MPa | |
| P | 3 | Steel - Non-alloy, cast & free cutting (~ 0.45 %C) | Quenched & Tempered | 250MPa | 840MPa | |
| P | 4 | Steel - Non-alloy, cast & free cutting (~ 0.75 %C) | Annealed | 270MPa | 910MPa | |
| P | 5 | Steel - Non-alloy, cast & free cutting (~ 0.75 %C) | Quenched & Tempered | 300MPa | 1010MPa | |
| P | 6 | Steel - Low alloy & cast < 5% of alloying elements | Annealed | 180HB | 610MPa | |
| P | 7 | Steel - Low alloy & cast < 5% of alloying elements | Quenched & Tempered | 275MPa | 930MPa | |
| P | 8 | Steel - Low alloy & cast < 5% of alloying elements | Quenched & Tempered | 300MPa | 1010MPa | |
| P | 9 | Steel - Low alloy & cast < 5% of alloying elements | Quenched & Tempered | 350HB | 1180MPa | |
| P | 10 | Steel - High alloy, cast & tool | Annealed | 200MPa | 680MPa | |
| P | 11 | Steel - High alloy, cast & tool | Hardened & Tempered | 325HB | 1100MPa | |
| P | 12 | Steel - Corrosion resistant & cast - Ferritic / Martensitic | Annealed | 200HB | 680MPa | |
| P | 13 | Steel - Corrosion resistant & cast - Martensitic | Quenched & Tempered | 240HB | 810MPa | |
| M | 14.1 | Stainless Steel - Austenitic | Age Hardened | 180MPa | 610MPa | |
| M | 14.2 | Stainless Steel - Duplex | 250MPa | 840MPa | ||
| M | 14.3 | Stainless Steel - Precipitation Hardening | 250MPa | 840MPa | ||
| K | 15 | Cast Iron, Grey (GG) - Ferritic / Pearlitic | 180MPa | 610MPa | ||
| K | 16 | Cast Iron, Grey (GG) - Pearlitic | 260MPa | 880MPa | ||
| K | 17 | Cast Iron, Nodular (GGG) - Ferritic | 160MPa | 570MPa | ||
| K | 18 | Cast Iron, Nodular (GGG) - Pearlitic | 250MPa | 840MPa | ||
| K | 19 | Cast Iron, Malleable - Ferritic | 130MPa | 460MPa | ||
| K | 20 | Cast Iron, Malleable - Pearlitic | 230MPa | 780MPa | ||
| N | 21 | Aluminum & Magnesium, wrought alloy - Non Heat Treatable | 60MPa | 210MPa | ||
| N | 22 | Aluminum & Magnesium, wrought alloy - Heat Treatable | Age Hardened | 100MPa | 360MPa | |
| N | 23 | Aluminum & Magnesium, cast alloy ?12% Si - Non Heat Treatable | 75MPa | 270MPa | ||
| N | 24 | Aluminum & Magnesium, cast alloy ?12% Si - Heat Treatable | Age Hardened | 90MPa | 320MPa | |
| N | 25 | Aluminum & Magnesium, cast alloy >12% Si - Non Heat Treatable | 130MPa | 460MPa | ||
| N | 26 | Copper & Copper alloys (Brass/Bronze) - Free cutting, Pb > 1% | 110MPa | 390MPa | ||
| N | 27 | Copper & Copper alloys (Brass/Bronze) - Brass (CuZn, CuSnZn) | 90MPa | 320MPa | ||
| N | 28 | Copper & Copper alloys (Brass/Bronze) - Bronze (CuSn) | 100MPa | 360MPa | ||
| N | 29 | Non-metallic - Thermosetting & fiber-reinforced plastics | ||||
| N | 30 | Non-metallic - Hard rubber, wood etc. | ||||
| S | 31 | High temperature alloys - Fe based | Annealed | 200HB | 680MPa | |
| S | 32 | High temperature alloys - Fe based | Age Hardened | 280HB | 950MPa | |
| S | 33 | High temperature alloys - Ni / Co based | Annealed | 250HB | 840MPa | |
| S | 34 | High temperature alloys - Ni / Co based | Age Hardened | 350HB | 1180MPa | |
| S | 35 | High temperature alloys - Ni / Co based | Cast | 320HB | 1080MPa | |
| S | 36 | Titanium & Titanium alloys - CP Titanium | 400MPa | |||
| S | 37.1 | Titanium & Titanium alloys - Alpha alloys | 860MPa | |||
| S | 37.2 | Titanium & Titanium alloys - Alpha / Beta alloys | Annealed | 960MPa | ||
| S | 37.3 | Titanium & Titanium alloys - Alpha / Beta alloys | Age Hardened | 1170MPa | ||
| S | 37.4 | Titanium & Titanium alloys - Beta alloys | Annealed | 830MPa | ||
| S | 37.5 | Titanium & Titanium alloys - Beta alloys | Age Hardened | 1400MPa | ||
| H | 38.1 | Hardened steel | Hardened & Tempered | 45 | ||
| H | 38.2 | Hardened steel | Hardened & Tempered | 55 | ||
| H | 39.1 | Hardened steel | Hardened & Tempered | 58 | ||
| H | 39.2 | Hardened steel | Hardened & Tempered | 62 | ||
| H | 40 | Cast Iron - Chilled | Cast | 400MPa | 1350MPa | |
| H | 41 | Cast Iron | Hardened & Tempered | 55 |
KEY
Optimal
Effective
PSteel
MStainless
KCast Iron
NNon-Ferous Metals
STitanium & Super Alloys
HHard Materials
Designation
N
Material
VHM
Finish
Brt
Shank Form
HA
Shank Tolerance
h6
Point Angle
60°
Point Form
Stepped
Cutting Edges
ul
Standard
ANSI B94-11
