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Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

Cobalt HSS Twist Drill Set 8Pcs

# Dia. Dec.Equ. Flute Length Shank DIA OAL. Number of Flutes
1 3.0mm 0.1181 33mm N/A 61mm N/A
2 4.0mm 0.1575 43mm N/A 75mm N/A
3 5.0mm 0.1969 52mm N/A 86mm N/A
4 6.0mm 0.2362 57mm N/A 93mm N/A
5 7.0mm 0.2756 69mm N/A 109mm N/A
6 8.0mm 0.3150 75mm N/A 117mm N/A
7 9.0mm 0.3543 81mm N/A 125mm N/A
8 10.0mm 0.3937 87mm N/A 133mm N/A
Other sizes as per customer request.
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Product Description

  • Material: HSS (5% cobalt) Shank Diameter: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm Easy to process;
  • Premium Quality 5% Cobalt High Speed Steel M35 provides all drills long tool life;
  • Precision fully ground ensures chips moving smoothly, ultimate accuracy and performace;
  • Golden surface finish resists corrosion and increases the hardness of the drill bits;
  • 135-degree split point prevents "Walking", reduce logging, and penetrates hard material without a pilot hole.