Kyocera SGS Precision Tools

SGS 57020 301 Double End General Purpose Combined Drill and Countersink, #4 Drill - Wire, 0.209 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, Micrograin Solid Carbide, AlTiN Coated

SGS 57020
$55.32 / EA
Out of Stock
  • Number of Flutes: 2
  • Material: Micrograin Solid Carbide
  • Included Angle: 60 deg
  • Body Diameter - Fractional: 5/16 in
  • Point Diameter - Fractional: 1/8in
  • Finish/Coating: AlTiN Coated
  • Cutting Direction: Right Hand
  • Type: Double End General Purpose
  • Cutting Edge Material: Micrograin Solid Carbide
  • Drill Bit Size - Decimal: 0.209 in
  • Drill Bit Size - Wire: #4
  • Flute Length: 0.34 in
  • Flute Type: Straight
  • Overall Length - Fractional: 2-1/8 in
  • Point Angle: 118 deg
  • Point Type: Plain
  • Series: 301
  • Shank Size: 5/16 in
  • Shank Type: HA Common
  • Solid carbide provides better rigidity than high speed steel
  • It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials
  • Plain cutting edge
  • +0.003/-0.000 in D1, -.0001/-.0005 in D2 tolerances
  • Used to produce a center hole on material
  • Spiral flutes are constructed of a higher flute angle to remove chips easier
  • Used in lathe or cylindrical-grinder work to create conical holes
  • It increases chip flow in softer materials such as aluminum, wood and plastic
  • External Coolant

Application: Aerospace, Medical, Power Generation, Automotive, General Engineering, Mold and Die, Casting and Foundries

SGS® Combined Drill and Countersink | Double End General Purpose | Series: 301 | #4 | 1/8 in Point Dia | 5/16 in Body Dia | 2-1/8 in Overall Length | 2 Flutes | Straight Flute | HA Common Shank | 118 deg Point | Plain Point | 60 deg Included Angle | Right Hand Cutting | Micrograin Solid Carbide Cutting Edge | Micrograin Solid Carbide | AlTiN Coated | Applicable Materials: Steel | Stainless Steel | Cast Iron | High Temp Alloys | Titanium | Non-Ferrous Materials | Plastic and Composites