Jobber Drills

 
Parabolic Flute 135° HSS Bright Jobber Drills
 - Long Series



● Made of high-performance high-speed steel (M2)
● Fully ground flute, sharp cutting edge, the parabolic flute contributing the faster chip removal
● Manufactured to German standard DIN1869-2





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Solid Carbide Jobber Drills


 

  • High hardness and strength, good toughness and wear resistant.
  • Sharp cutting, fast chip removal.
  • Machinable cast iron, ductile iron, carbon steel.

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Black/Golden Finish Inch Size Jobber Drills
 - Standard



● Made of quality HSS M2
● Fully ground flute, high precision, strong self centering ability
● 3-flat shank giving more clamping force to the drill bits
● Special black gold treatment enhancing the surface hardness,


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150Pc HSS Black/Golden Finish Jobber Drill Set
 - Metric



● Made of quality HSS M2, fully ground flute
● Content as below:
5pcs of each size: 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0mm
10pcs of each size: 1.0, 1.5, 2.0, 2.5, 3.5, 4.0, 4.5, 5.0mm
20pcs: 3.

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HSS Cobalt Jobber Drills


● Made of quality HSS M35
● Fully ground flute, high precision, strong self centering ability
● Excellent cutting hardness, wear resistant and toughness under high temperature
● Quenching hardness up to HRC66-67, higher than M2 material
● Use with hand power drills,

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Black/Golden Finish Jobber Drills - Standard



● Made of quality HSS M2
● Fully ground flute, high precision, strong self centering ability
● 3-flat shank giving more clamping force to the drill bits
● Use with hand power drills, bench presses and pillar drills etc.


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