Dormer - A777 HSCo Heavy-Duty Jobber Drill 8.50mm OL: 117mm WL: 75mm

★★★★★ 4.9 127 reviews

US$21.20
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Management number 228530768 Release Date 2026/05/31 List Price US$21.20 Model Number 228530768
Category

tip diameter: 5.80mmworking length: 75mm. Overall length: 117mm. a777 metric cobalt jobber drill bits have a heavy-duty, 135° split point for use when greater heat is generated during drilling, e. G on higher tensile tougher materials and in particular the aerospace industry. specificationflute geometry: standard helix, right hand spiral, thick webpoint angle: 0.30 mm - 0.95 mm 118° conical point1.00 mm to 1.40 mm inclusive 135° 4 facet point1.50 mm and above 135° split point sizes (split point geometry to nas 907 areospace specification type p3 point)surface treatment: bronzematerial: hsco cobalt steeldin 338 rn / bs328 / iso 235

  • Tin coated & cobalt jobber drills
ASIN B005W3QCMK
Model A7778.5
Brand Name Dormer
Unit Count 1 Count
Item Weight 22.68 g
Part Number A7778.5
Finish Types Titanium Nitride
Manufacturer Dormer
Material Type Cobalt
Item Dimensions 0.35 x 4.61 x 0.35 inches
Tool Flute Type Spiral
Cutting Angle String 135 Degrees

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