Stainless steel 304 inserts

Stainless steel 304 inserts

MOQ = 1 piece

Yes. We will offer a detailed production schedule and send weekly reports with digital pictures and videos which show the production process

 We have QC department to control the quality from the beginning of production until goods finish. Quality inspection report will be sent together with each batch goods

As a matter of fact, we wont take a chance to do poor quality products. Meanwhile, we manufacture goods quality products until your satisfaction. 

      • Machining type: Stainless steel 304 inserts
      • Machining accuracy: Swiss Machining ± 0.008mm
      • Machining material: stainless steel (303, 304, 316, 329, 420, 430, 0Cr18ni19ti, etc.
        Iron and steel (easy car iron, environmental protection iron, 45 # steel, 20 # steel, 40Cr, 42Crmo, etc.)
        Copper (national standard copper, lead-free environmentally friendly copper, non-standard environmentally friendly copper, riveted copper, phosphor bronze, beryllium copper, red copper, etc.)
        Aluminum (2024, 5052, 6061, 6063, 6082, 7075, etc.)
      • Machining range: outer diameter ¢ 350mm, length 580mm
      • Proofing cycle: 3-5 days
      • Machining cycle: 5-15 days
      • Surface roughness: up to 0.4
      • Drilling diameter: up to 0.05mm (fine hole), depth 0.5mm, do not recognize the material
      • Drilling depth: 2.0 meters

PTJ Shop is located in Dongguan, a famous manufacturing city in the world. Geographical transportation is convenient, about 10 minutes drive from Shenzhen. It is a long-term external machining manufacturer. At present, it has 50 CNC lathes, 40 CNC computer gongs (three-axis, four-axis, five-axis), 4 automatic lathes, 2 laser engraving laser marking machines and other supporting equipment.

ISO 9001:2015 & AS 9100 Rev B certified manufacturer of standard & custom inserts including brass, stainless steel & steel inserts. Blind threaded inserts, press-in inserts, molded-in inserts & heat/ultrasonic inserts are available. Capabilities include 3D modeling, on-site training, prototyping, short run production, turning, milling, drilling, reaming, punching, grinding & testing. Automotive Industry Action Group (AIAG) & International Material Data System (IMDS) affiliated. Class 2 & class 3 inserts are QSLM approved. Inserts are RoHS compliant. Inserts meet REACH standards.

Advantages of Precision Turned Stainless steel Products

– Precision Swiss Automatic Screw Machines for components that require micro machining, or for parts with an unusually long and slender profile
– CNC Swiss Equipment with up to 12 axes of CNC control, to produce precision components with complex geometries in one operation
– Automatic Bar Loaders which boost production efficiency and cut unit costs

Available Drawings Format

stp, step, igs, iges, x_t, sat, stl, sldxml, prt, ipt, dxf, dwg, PDF, jpg, jpeg, png, etc.

Raw Material

1. Metal

  • Aluminum: 2024,5052,6061,6063,6082,7075 etc.
  • Steel: carbon steel (No.10,15,20,25,30,35,40,45…80).etc.
  • alloy steel (15Cr,20Cr,42CrMo) and other etc.
  • Stainless steel: 201,202,301,302,303,304,316,317,420,430,440,630 etc.
  • Brass,copper,bronze:H62,H65.H90,HA177-2,HPb59-1,   HSn70-1 etc.
  • Titanium:TA1 ,TA2,TA3,TA4,TA5,TC1,TC2,TC3,TC4,TC5 etc.
  • Superalloy:Inconel;Monel;Hastelloy;Nitronic-60 etc.,

2. Plastic: ABS,POM,PE,PP,PVC,PC,PMMA,PPS,nylon,acrylic,bakelite etc.
3. Others: carbon fiber,fiberglass, wood, hard rubber,PU, etc.

Manufacturing Service

Swiss machining(Longitudinal lathes),automatic lathe machining,precision turning,grinding, wire EDM cutting,cnc prototype/jig/fixture,laser cutting,other metal fabrication,like Stamping,Bending,Casting.etc.


highest = +/-0.005mm or +/- 0.0002 inch

Surface Roughness

Ra0.4 (milled or turned without polishing or grinding)


polishing,mirror polishing,brushing, sandblasting, heat treatment etc.

Surface Treatment

anodizing,blackening,electroplating(zinc,nickel,chrome),electrophoresis, painting,powder coating,passivate,carburize etc.


laser engraving, CNC engraving, screen-printing etc.