Application

ISO VDI Description Condition Hardness Strength Optimal
P1Steel - Non-alloy, cast & free cutting (~ 0.15 %C)Annealed125HB440MPa 
P2Steel - Non-alloy, cast & free cutting (~ 0.45 %C)Annealed190HB640MPa 
P3Steel - Non-alloy, cast & free cutting (~ 0.45 %C)Quenched & Tempered250MPa840MPa
P4Steel - Non-alloy, cast & free cutting (~ 0.75 %C)Annealed270MPa910MPa
P5Steel - Non-alloy, cast & free cutting (~ 0.75 %C)Quenched & Tempered300MPa1010MPa
P6Steel - Low alloy & cast < 5% of alloying elementsAnnealed180HB610MPa 
P7Steel - Low alloy & cast < 5% of alloying elementsQuenched & Tempered275MPa930MPa
P8Steel - Low alloy & cast < 5% of alloying elementsQuenched & Tempered300MPa1010MPa
P9Steel - Low alloy & cast < 5% of alloying elementsQuenched & Tempered350HB1180MPa 
P10Steel - High alloy, cast & toolAnnealed200MPa680MPa
P11Steel - High alloy, cast & toolHardened & Tempered325HB1100MPa 
P12Steel - Corrosion resistant & cast - Ferritic / MartensiticAnnealed200HB680MPa 
P13Steel - Corrosion resistant & cast - MartensiticQuenched & Tempered240HB810MPa 
M14.1Stainless Steel - AusteniticAge Hardened180MPa610MPa
M14.2Stainless Steel - Duplex250MPa840MPa
M14.3Stainless Steel - Precipitation Hardening250MPa840MPa
K15Cast Iron, Grey (GG) - Ferritic / Pearlitic180MPa610MPa
K16Cast Iron, Grey (GG) - Pearlitic260MPa880MPa
K17Cast Iron, Nodular (GGG) - Ferritic160MPa570MPa
K18Cast Iron, Nodular (GGG) - Pearlitic250MPa840MPa
K19Cast Iron, Malleable - Ferritic130MPa460MPa
K20Cast Iron, Malleable - Pearlitic230MPa780MPa
N21Aluminum & Magnesium, wrought alloy - Non Heat Treatable60MPa210MPa
N22Aluminum & Magnesium, wrought alloy - Heat TreatableAge Hardened100MPa360MPa
N23Aluminum & Magnesium, cast alloy ?12% Si - Non Heat Treatable75MPa270MPa
N24Aluminum & Magnesium, cast alloy ?12% Si - Heat TreatableAge Hardened90MPa320MPa
N25Aluminum & Magnesium, cast alloy >12% Si - Non Heat Treatable130MPa460MPa
N26Copper & Copper alloys (Brass/Bronze) - Free cutting, Pb > 1%110MPa390MPa
N27Copper & Copper alloys (Brass/Bronze) - Brass (CuZn, CuSnZn)90MPa320MPa
N28Copper & Copper alloys (Brass/Bronze) - Bronze (CuSn)100MPa360MPa
N29Non-metallic - Thermosetting & fiber-reinforced plastics 
N30Non-metallic - Hard rubber, wood etc. 
S31High temperature alloys - Fe basedAnnealed200HB680MPa 
S32High temperature alloys - Fe basedAge Hardened280HB950MPa 
S33High temperature alloys - Ni / Co basedAnnealed250HB840MPa 
S34High temperature alloys - Ni / Co basedAge Hardened350HB1180MPa 
S35High temperature alloys - Ni / Co basedCast320HB1080MPa 
S36Titanium & Titanium alloys - CP Titanium400MPa 
S37.1Titanium & Titanium alloys - Alpha alloys860MPa
S37.2Titanium & Titanium alloys - Alpha / Beta alloysAnnealed960MPa
S37.3Titanium & Titanium alloys - Alpha / Beta alloysAge Hardened1170MPa
S37.4Titanium & Titanium alloys - Beta alloysAnnealed830MPa
S37.5Titanium & Titanium alloys - Beta alloysAge Hardened1400MPa
H38.1Hardened steelHardened & Tempered45
H38.2Hardened steelHardened & Tempered55
H39.1Hardened steelHardened & Tempered58
H39.2Hardened steelHardened & Tempered62
H40Cast Iron - ChilledCast400MPa1350MPa
H41Cast IronHardened & Tempered55


Part Number/SKU: D318

* Product Images are for illustration purposes only, unless otherwise specified colour may be different.

  • 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
  • Designation: N
  • Material: VHM
  • Finish: Brt
  • Shank Form: HA
  • x: als
  • Shank Tolerance: h6
  • Point Angle: 60°
  • Point Form: Stepped
  • Cutting Edges: ul
  • Standard: ANSI B94-11
SKU D318
Brand Sutton Tools

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Application

ISO VDI Description Condition Hardness Strength Optimal
P1Steel - Non-alloy, cast & free cutting (~ 0.15 %C)Annealed125HB440MPa 
P2Steel - Non-alloy, cast & free cutting (~ 0.45 %C)Annealed190HB640MPa 
P3Steel - Non-alloy, cast & free cutting (~ 0.45 %C)Quenched & Tempered250MPa840MPa
P4Steel - Non-alloy, cast & free cutting (~ 0.75 %C)Annealed270MPa910MPa
P5Steel - Non-alloy, cast & free cutting (~ 0.75 %C)Quenched & Tempered300MPa1010MPa
P6Steel - Low alloy & cast < 5% of alloying elementsAnnealed180HB610MPa 
P7Steel - Low alloy & cast < 5% of alloying elementsQuenched & Tempered275MPa930MPa
P8Steel - Low alloy & cast < 5% of alloying elementsQuenched & Tempered300MPa1010MPa
P9Steel - Low alloy & cast < 5% of alloying elementsQuenched & Tempered350HB1180MPa 
P10Steel - High alloy, cast & toolAnnealed200MPa680MPa
P11Steel - High alloy, cast & toolHardened & Tempered325HB1100MPa 
P12Steel - Corrosion resistant & cast - Ferritic / MartensiticAnnealed200HB680MPa 
P13Steel - Corrosion resistant & cast - MartensiticQuenched & Tempered240HB810MPa 
M14.1Stainless Steel - AusteniticAge Hardened180MPa610MPa
M14.2Stainless Steel - Duplex250MPa840MPa
M14.3Stainless Steel - Precipitation Hardening250MPa840MPa
K15Cast Iron, Grey (GG) - Ferritic / Pearlitic180MPa610MPa
K16Cast Iron, Grey (GG) - Pearlitic260MPa880MPa
K17Cast Iron, Nodular (GGG) - Ferritic160MPa570MPa
K18Cast Iron, Nodular (GGG) - Pearlitic250MPa840MPa
K19Cast Iron, Malleable - Ferritic130MPa460MPa
K20Cast Iron, Malleable - Pearlitic230MPa780MPa
N21Aluminum & Magnesium, wrought alloy - Non Heat Treatable60MPa210MPa
N22Aluminum & Magnesium, wrought alloy - Heat TreatableAge Hardened100MPa360MPa
N23Aluminum & Magnesium, cast alloy ?12% Si - Non Heat Treatable75MPa270MPa
N24Aluminum & Magnesium, cast alloy ?12% Si - Heat TreatableAge Hardened90MPa320MPa
N25Aluminum & Magnesium, cast alloy >12% Si - Non Heat Treatable130MPa460MPa
N26Copper & Copper alloys (Brass/Bronze) - Free cutting, Pb > 1%110MPa390MPa
N27Copper & Copper alloys (Brass/Bronze) - Brass (CuZn, CuSnZn)90MPa320MPa
N28Copper & Copper alloys (Brass/Bronze) - Bronze (CuSn)100MPa360MPa
N29Non-metallic - Thermosetting & fiber-reinforced plastics 
N30Non-metallic - Hard rubber, wood etc. 
S31High temperature alloys - Fe basedAnnealed200HB680MPa 
S32High temperature alloys - Fe basedAge Hardened280HB950MPa 
S33High temperature alloys - Ni / Co basedAnnealed250HB840MPa 
S34High temperature alloys - Ni / Co basedAge Hardened350HB1180MPa 
S35High temperature alloys - Ni / Co basedCast320HB1080MPa 
S36Titanium & Titanium alloys - CP Titanium400MPa 
S37.1Titanium & Titanium alloys - Alpha alloys860MPa
S37.2Titanium & Titanium alloys - Alpha / Beta alloysAnnealed960MPa
S37.3Titanium & Titanium alloys - Alpha / Beta alloysAge Hardened1170MPa
S37.4Titanium & Titanium alloys - Beta alloysAnnealed830MPa
S37.5Titanium & Titanium alloys - Beta alloysAge Hardened1400MPa
H38.1Hardened steelHardened & Tempered45
H38.2Hardened steelHardened & Tempered55
H39.1Hardened steelHardened & Tempered58
H39.2Hardened steelHardened & Tempered62
H40Cast Iron - ChilledCast400MPa1350MPa
H41Cast IronHardened & Tempered55

  • 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
  • Designation: N
  • Material: VHM
  • Finish: Brt
  • Shank Form: HA
  • x: als
  • Shank Tolerance: h6
  • Point Angle: 60°
  • Point Form: Stepped
  • Cutting Edges: ul
  • Standard: ANSI B94-11
SKU D318
Brand Sutton Tools

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