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A pilot drill for drilling on inclined surfaces – many applications

Dental
Aerospace
Medical
Mold making
Automotive
Mechanical engineering
Hydraulics-pneumatics

CrazyDrill Crosspilot is a solid carbide drill bit (one could also call it a milling drill bit for metal) which drills pilot holes quickly and accurately on inclined, convex or even concave surfaces with a drilling diameter of 0.4 mm (.016”) and up. The tungsten carbide drill for steel is universally applicable to many materials (steel alloys, high-alloy steels, tool steels) and to other metals such as titanium, cast iron, brass, bronze or aluminum. It is used especially in the following sectors: mechanical engineering, medical technology, automotive engineering, injection/nozzle technology, dental, jewelry and watchmaking industry, die making, food industry, aviation industry, hydraulics, pneumatics, fittings, electronics and electrical engineering, and filter technology.

Application examples for drilling on inclined, convexes
and concaves surfaces with CrazyDrill Crosspilot 

Dental

Material: various

Components:

  • Dental drill (hole for coolant), pilot hole drilling for deep hole drilling  (example: Ø 0.8 mm (.031“), 1.5 mm (.059“) deep 1.4125)
  • Hand piece to dental drill, pilot hole drilling (example: Ø 1.3 mm (.051“), 2.0 mm (.079“) deep in X5CrNiCuNb 17-4-4, 1.4548)
  • Tooth crown, pilot hole drilling (example: Ø 6 mm (.236“), 6 mm (.236“) deep in CrCo)

Aerospace industry

Material:  Nickel 99,2% Alloy 201

Components:

  • Spherical joint, pilot hole drilling on inclined surface (example: Ø 2.5 mm (.098“), 4 mm (.157“) deep Nickel 99,2% Alloy 201)

Medical technology

Material: various 

Components:

  • Coupling part for endoscope, inclined hole (example: Ø 1.9 mm (.075“), 2.5 mm (.098“) deep in 1.4305)
  • Component to measuring instrument, inclined hole for pin (example: Ø 1.25 mm (.049“), 2.5 mm (.098“) deep in Titanium Grade5)

Mold making

Material: ALCu4TiMgwa

Components:

  • Mould for Blister Packaging, pilot hole drilling on inclined surface (example: Ø 0.7 mm (.028“), 1.4 mm (.055“) mm deep in  ALCu4TiMgwa)

Automotive industry

Material: various

Components:

  • Part for Common Rail Injector, pilotdrilling on outside diameter (example: Ø 0.8 mm (.031“), 1.5 mm (.059“) deep / 20° inclined in 100Cr6 low sulfur content)
  • Component to Injector, pilot drilling (example: Ø 3 mm (.118“), 6 mm (.236“) deep in 1.4404, X2 Cr Ni Mo 17-12-2, AISI 316L)
  • Injector body, pilot hole drilling (example: Ø 1.8 mm (.071“), 3.2 mm (.126“) mm deep in 100Cr6)
  • Spacer for pump, pilot hole drilling on concave surface (example: Ø 2.85 mm (.112“), 5.7 mm (.224“) deep in 20CrMo4, 1.7321)
         
         

Mechanical engineering

Material: various

Components:

  • Injector body for injection molding machines, pilot hole drilling (example: Ø 5.0 mm (.197“), 8 mm (.315“) deep in Böhler M303 High Hard 1.2316)
  • Hub with inclined holes (example: Ø 1.0 mm (.039“), 2 mm (.079“) deep in C35 1.0501)
         
         

Hydraulics / Pneumatics

Material: various

Components:

  • Safety screw, hole to be drilled out of center (example. Ø 0.4 mm (.016“), 0.9 mm (.035“) deep in X5CrNiMo17-12-2, 1.4404, 56-58HRC, AISI316L)
  • Valve body, pilot hole drilling (example: Ø 0.8 mm (.031“), 1.6 mm (.063“) deep in Alu 2011)
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