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Dormer A777 Heavy-duty Jobber Drill 4.5mm

(HSCo) OL:80mm WL:47mm
  • Part Number: ZDOR450COB
  • Brand: dormer dormer
(£6.25 ex VAT) price : £7.50

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In stock, delivery 1 - 3 working days. FREE POSTAGE TO UK MAINLAND ON ORDERS ABOVE £90.00 EXCLUSIONS MAY APPLY SEE TERMS.
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  • Dormer A777 Heavy-duty Cobalt jobber drill for use when greater heat is generated during drilling, e.g on higher tensile, tougher materials and in particular the Aerospace Industry.
  • Specifications:
    Flute Geometry: Standard Helix, Right hand spiral, Thick Web
    Point Angle:
    0.30 mm - 0.95 mm 118° Conical point
    1.00 mm to 1.40 mm inclusive 135° 4 facet point
    1.50 mm and above 135° split point sizes (Split point geometry to NAS 907 Areospace Specification type P3 Point)
  • Surface Treatment: Bronze
    Material: HSCo Cobalt steel
  • DIN 338 RN / BS328 / ISO235
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