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Digital CNC Machining Service

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CNC Machining Services

RapidDirect CNC machining service includes 200 sets of 3, 4 and 5-axis CNC machines and a wide range of auxiliaries, allowing us to complete orders of diverse size, various materials, and meet precise deadlines. Whether it’s a quick-turn prototypes in one day or 1,000 units at the right price, RapidDirect can help.

CNC milling cuts shapes out of a metal or plastic material blank that is usually flat, holding dimensions to tolerances as tight as 0.002”.

Typically used to create a rounded surface, turning rotates the part when machining the desired shape, whereas milling rotates the tool.


CNC machining works on hard metals such as stainless steel and titanium, soft metals like aluminum, copper, and brass, and plastics including ABS, polycarbonate, nylon, acrylic, etc.


Aluminum is a highly ductile metal, making it easy to machine. The material has a good strength-to-weight ratio and is available in many types for a range of applications.


  • .Aluminum 6061
  • .Aluminum 6063
  • .Aluminum 6082
  • .Aluminum 5052
  • .Aluminum ADC12 (A380)
  • .Aluminum 6061-T651
  • .Aluminum 7075
  • .Aluminum 2024
  • .Aluminum 5083


Copper displays excellent thermal conductivity, electrical conductivity and plasticity. It is also highly ductile, corrosion resistant and can be easily welded.


  • .Copper
  • .Copper for EDM
  • .Chromium zirconium copper
  • .Antimony copper
  • .Copper 101
  • .Beryllium copper
  • .Tungsten copper


Brass has desirable properties for a number of applications. It is low friction, has excellent electrical conductivity and has a golden (brass) appearance.


  • .Brass 2680
  • .Brass H62
  • .Brass 385
  • .Brass 360
  • .Aluminum bronze plate
  • .Brass H59
  • .Brass 260
  • .Brass CAD260
  • .Tin phosphor bronze
  • .Tin bronze



  • .1045 Steel (45 #)
  • .1018 Steel
  • .1025 Steel
  • .1215 Steel
  • .40Cr Steel
  • .4137 Steel
  • .42 Crmo Steel
  • .4J36 Steel Alloy
  • .5160 Steel
  • .65Mn Steel
  • .1008 Steel
  • .1020 Steel
  • .11Smn30 Steel
  • .4041 Steel
  • .4130 Steel
  • .4140 Steel
  • .4340 Steel
  • .5140 Steel
  • .60Si2Mn Steel
  • .A2 Tool Steel

Stainless Steel


  • .SUS304 Stainless steel
  • .SUS301 Stainless steel
  • .SUS316L Stainless steel
  • .SUS416L Stainless steel
  • .SUS420 Stainless steel
  • .SUS430 Stainless steel
  • .SUS440C Stainless steel
  • .SUS630 / 17-4PH Stainless steel
  • .SUS303 Stainless steel
  • .SUS316 Stainless steel
  • .SUS401 Stainless steel
  • .SUS416 Stainless steel
  • .SUS201 Stainless steel
  • .SUS431 Stainless steel
  • .SUS410 Stainless steel
  • .PP631 / 17-7PH Stainless steel



  • .TC4 Titannium Alloy
  • .Military-grade titanium Alloy
  • .R53400 Titanium Alloy 9
  • .TC5 Titanium Alloy
  • .Food-grade titanium Alloy



  • .ABS
  • .ABS+PC
  • .POM
  • .PA
  • .PET
  • .PPSU
  • .PTFE
  • .PE
  • .HDPE
  • .CPVC
  • .PC
  • .PMMA
  • .PP
  • .PEEK
  • .PVC
  • .PPS
  • .PBT
  • .PEI
  • .UPE
  • .EPP


RapidDirect provides surface finishes on all CNC parts, including anodizing, electroplating, bead blasting, polishing, brushing, powder coating, and painting.


Anodizing improves corrosion resistance, enhancing wear resistance and hardness, and protecting the metal surface. Widely used in mechanical parts, aircraft, and automobile parts, precision instruments, etc.

Bead blasting

Bead blasting results in parts with a smooth surface with a matte texture. Used mainly for visual applications and can be followed by other surface treatments.

Powder coating

Powder coating forms a durable, wear resistant and corrosion resistant layer on the surface of parts. Powder coating can be used to apply colors to parts and is compatible with any metal.


Electroplating can be functional, decorative or corrosion-related. Many industries use the process, including the automotive sector, in which chrome-plating of steel automobile parts is common.


Polishing is the process of creating a smooth and shiny surface, either through physical rubbing of the part or by chemical interference. The process produces a surface with significant specular reflection, but in some materials is able to reduce diffuse reflection.


Brushing is a surface treatment process in which abrasive belts are used to draw traces on the surface of a material, usually for aesthetic purposes. Most commonly applied to aluminum.


Painting the surface of a part improves its aesthetic appearance and can provide brand recognition to consumers. In addition, painting can have a protective effect on parts.

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