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A multi-purpose pilot / short drill
for steel - applications

Dental
Aerospace
Medical
Automotive
Mechanical engineering
Hydraulics-pneumatics

CrazyDrill Pilot is a solid tungsten carbide drill which drills to depths of up to 2 x d quickly and accurately with drilling diameters of 0.4 mm (.016”) and up. The drill is universally applicable to many materials as a carbide drill for steel, steel alloys, high-alloy steels, tool steels, titanium, cast iron, brass, bronze and aluminum. It is used especially in the following sectors: mechanical engineering, medical technology, automotive engineering, injection/nozzle technology, dental, jewelry and watchmaking industry, and filter technology.

Application examples for CrazyDrill Pilot

Dental

Material: CrCo

Components:

  • Dental crown, drilling of fixation hole with special CrazyDrill Pilot (example: drill Ø 1.65 mm (.065“), 3.3 mm (.130“) deep in CrCo)

Aerospace industry

Material:  various

Components:

  • Engine part, drilling of hole for lubricant using special CrazyDrill Pilot (example: drill Ø 4.2 mm (.165“), 8.4 mm (.331“) deep in Inconel 718)
  • Component for aircraft, pilot hole drilling for following deep hole drill (example: drill Ø 2.95 mm (.116“), 5.9 mm (.232“) deep in AMS5891 35HRC Haynes 230)

Medical technology

Material: X2CrNiMo 18-14-3, AISI 3016L, 1.4441

Components:

  • DHS screw (Dynamic Hip System) pilot hole drilling for following deep hole drilling, intermediate hole for „Kirschnerwire“, (example: drill Ø 2.7 mm (.106“), 5.4 mm (.213“) deep in X2CrNiMo 18-14-3, AISI 3016L, 1.4441)

Automotive industry

Material: various

Components:

  • Valve housing, drilling of air vent hole (example: drill Ø 2.0 mm (.079“), 4 mm (.157“) deep in 11SMnPb30, 1.0718)
  • Magnet core, drilling of armature hole (example: drill Ø 0.95 mm (.037“), 1.9 mm (.075“) deep in free machining steel)
  • Valve plate, pilot hole drilling for following deep hole drill (example: Ø 1.8 mm (.071“), 2 x D deep with 45° chamfer, 100Cr6 1.3505)
  • Component for Common Rail Injector, drilling of pilot hole for positioning pin hole (example: drill Ø 1.5 mm (.059“), 3.1 mm (.122“) deep in 100Cr6 low sulfur)
  • Valve body, pilot hole drilling for following deep hole drill (example: drill Ø 1.8 mm (.071“), 3.6 mm (.142“) deep in 100Cr6)
  • Cylinder head, predrilling before reaming operation (example: drill Ø 3.85 mm (.152“) + 45° chamfer, 7.7 mm (.303“) deep in 30CrNiMo4, 1.6580)

Mechanical engineering

Material: CK45

Components:

  • Guide bushing, pilot hole drilling for following deep hole drill (example: drill Ø 4.0 mm (.157“), 8 mm (.315“) deep with 45° chamfer, CK45, 1.1191)

Hydraulics - pneumatics

Material: Alu 2011

Components:

  • Air valve, pilot hole drilling (example: drill Ø 1.8 mm (.071“), 3.6 mm (142“) deep in Alu 2011)
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