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Markdown 27/64" X 12" Aircraft Extension Drill Bit HSS D/AA/CX1227/64
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Markdown 27/64″ X 12″ Aircraft Extension Drill Bit HSS D/AA/CX1227/64

Original price was: $18.86.Current price is: $9.81.

For orders under $150.00, a shipping fee of $12.99 applies.

SKU: SKHWTA00XLQ Category: Tag:
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[1 PC] 27/64″ X 12″ HSS Aircraft Extension Drill Bit, D/AA/C is a long-reach drill bit designed for deep-hole metal drilling in aircraft maintenance and fabrication tasks.

Specs

    Diameter: 27/64″ (0.4219″)

    Overall length: 12″

    Material: High-Speed Steel (HSS)

    Bit type: Aircraft extension drill bit

    Designation: D/AA/C

    Package: 1 piece

Features

    Long-reach design: 12″ length enables drilling deep or recessed holes in metal structures.

    Wear resistance and heat tolerance: HSS construction supports sustained drilling in aluminum alloys and mild steel used in aircraft components.

    Extension-ready geometry: Supports secure seating in long-reach chucks and holders for extended drilling tasks.

    Precision geometry: Aims for straight holes with reduced drift in metal work.

    Ideal use cases: Skin, rib, bulkhead, and access-hole drilling in aircraft maintenance scenarios; suitable for metalworking and fabrication tasks that require a 27/64″ hole.

Physical

    Diameter: 27/64″ (0.4219″)

    Length: 12″ overall

    Material: High-Speed Steel (HSS)

    Bit type: Aircraft extension drill bit; D/AA/C designation

    Package: 1 piece

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