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Cobalt Extended-Length Drill Bits

Cobalt extended-length drill bits tolerate higher drilling speeds and are harder and more wear-resistant than high-speed steel extended-length drill bits. They provide some shock absorption and can be used in handheld power tools. These extended-length drill bits have longer flutes and more overall length than standard jobber-length drill bits of the same size, and they have longer shanks than taper-length drill bits. Their extra length allows them to create deep holes or drill into hard-to-reach workpieces.

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Results per page :  16 | 32 | 48
  • CLARKSON-OSBORN
  • DRILL BIT, COBALT, AIRCRAFT EXTENSION BIT, 19/64 X 6 IN
  • Item # CSBDR64519
  • Mfr. Model # DR64519
  • EHC: EHC :
  • Cobalt 6 inch aircraft extension drill. 135 degree split point, gold finish. Designed for stainless steel and other tough alloys. Size 19/64 in.

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    SDS Document Not Found

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    CATALOGUE PAGE # 1329
  • This product must be purchased in quantities of 2 or more. Please update the quantity to proceed with checkout.
  • CLARKSON-OSBORN
  • FORET,EXTENSION AVION,FLÛTE 2 5/8 PO,6 PO L HORS-TOUT,0.234 PO DIA,AC CBLT
  • Item # CSBDR64601
  • Mfr. Model # DR64601
  • EHC: EHC :
  • Ce foret à extension pour avion en acier cobalt a une longueur de cannelure de 2 5/8 po, une longueur totale de 6 po et un diamètre de 0.234 po.

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    SDS Document Not Found

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    CATALOGUE PAGE # N/A
  • This product must be purchased in quantities of 4 or more. Please update the quantity to proceed with checkout.
  • CLARKSON-OSBORN
  • FORET,EXTENSION AVION,#3,FLÛTE 2 1/2 PO,6 PO L HORS-TOUT,0.213 PO DIA,AC CBLT
  • Item # CSBDR64703
  • Mfr. Model # DR64703
  • EHC: EHC :
  • Ce foret à extension pour avion numéro 3, en acier cobalt, a une longueur de cannelure de 2 1/2 po, une longueur totale de 6 po et un diamètre de 0.213 po.

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    SDS Document Not Found

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    CATALOGUE PAGE # N/A
  • This product must be purchased in quantities of 7 or more. Please update the quantity to proceed with checkout.
  • CLARKSON-OSBORN
  • FORET,EXTENSION AVION,#6,FLÛTE 2 1/2 PO,6 PO L HORS-TOUT,0.204 PO DIA,AC CBLT
  • Item # CSBDR64706
  • Mfr. Model # DR64706
  • EHC: EHC :
  • Ce foret à extension pour avion numéro 6, en acier cobalt, a une longueur de cannelure de 2 1/2 po, une longueur totale de 6 po et un diamètre de 0.204 po.

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    SDS Document Not Found

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    CATALOGUE PAGE # N/A
  • This product must be purchased in quantities of 7 or more. Please update the quantity to proceed with checkout.
  • CLARKSON-OSBORN
  • FORET,EXTENSION AVION,#16,FLÛTE 2 3/16 PO L,6 PO L HORS-TOUT,0.177 PO DIA,AC CBLT
  • Item # CSBDR64716
  • Mfr. Model # DR64716
  • EHC: EHC :
  • Ce foret à extension pour avion numéro 16, en acier cobalt, a une longueur de cannelure de 2 3/16 po, une longueur totale de 6 po et un diamètre de 0.177 po.

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    SDS Document Not Found

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    CATALOGUE PAGE # N/A
  • This product must be purchased in quantities of 8 or more. Please update the quantity to proceed with checkout.
  • CLARKSON-OSBORN
  • FORET,EXTENSION AVION,#15,FLÛTE 2 3/16 PO L,6 PO L HORS-TOUT,0.18 PO DIA,AC CBLT
  • Item # CSBDR64715
  • Mfr. Model # DR64715
  • EHC: EHC :
  • This number 15, cobalt steel, aircraft extension drill bit has a flute length of 2 3/16 inches, an overall length of six inches, and a diameter of 0.18 inches.

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    SDS Document Not Found

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    CATALOGUE PAGE # N/A
  • This product must be purchased in quantities of 8 or more. Please update the quantity to proceed with checkout.
  • CLARKSON-OSBORN
  • DRILL BIT, AIRCRAFT EXTENSION, #51, 1 IN FLUTE L, 6 IN OVERALL L, 0.067 IN DIA, COBALT STEEL
  • Item # CSBDR64751
  • Mfr. Model # DR64751
  • EHC: EHC :
  • This number 51 aircraft extension drill bit has a flute length of one inch and an overall length of six inches. It is made of cobalt steel and has a diameter of 0.067 inches.

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    SDS Document Not Found

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    CATALOGUE PAGE # N/A
  • This product must be purchased in quantities of 9 or more. Please update the quantity to proceed with checkout.
  • CLARKSON-OSBORN
  • DRILL BIT, AIRCRAFT EXTENSION, #58, 11/16 IN FLUTE L, 6 IN OVERALL L, 0.042 IN DIA, COBALT STEEL
  • Item # CSBDR64758
  • Mfr. Model # DR64758
  • EHC: EHC :
  • This number 58 aircraft extension drill bit has a flute length of 11/16 inches and an overall length of six inches. It is made of cobalt steel and has a diameter of 0.042 inches.

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    SDS Document Not Found

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    CATALOGUE PAGE # N/A
  • This product must be purchased in quantities of 4 or more. Please update the quantity to proceed with checkout.
Results per page :  16 | 32 | 48

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