Stainless steel external hexagonal nut M6 adjustable screw CNC precision processing

Automotive Engine & Chassis Systems

Practical Products

CNC Production & Processing Features

Common CNC Machining Issues & Key Points

• Heat Treatment Deformation

   

  High-strength alloy steels require quenching and tempering after machining, which may cause dimensional deformation and internal thread shrinkage.

   

  Machining allowances must be reserved before heat treatment, followed by precision turning and tapping afterward to correct internal thread dimensions and guarantee accuracy.
   
• Blind-Hole Machining

   

  Blind-hole nuts for gearboxes and brake systems are prone to chip accumulation at the hole bottom and incomplete internal threading.

   

  Taps with excellent chip removal performance should be used, and chips must be cleaned regularly during processing to prevent thread scoring and ensure full-length threading.
   
• Flange Surface Machining

   

  Unqualified flatness of flange nuts causes uneven locking force and loosening.

   

  CNC milling speed must be controlled, and face milling cutters used for finish milling.

   

  Flange flatness is inspected after processing to avoid warping and ensure tight contact with mating surfaces.
   
• Batch Consistency

   

  Automotive components require mass production, which can lead to variations in internal thread dimensions and profiles between batches.

   

  CNC equipment must be calibrated regularly and tapping parameters optimized.

   

  Sampling inspection using go/no-go gauges is performed per batch to ensure consistency for automated assembly.

   

   

   

  We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.

   

  Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, which can effectively provide customers with the best technical solutions.

   

  Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.

   

  Our company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.

   

  Our customers include Siemens, bo-sch, Foxconn, Panasonic Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.

   

  OUR CAPACITY
  Main product names:	Stainless steel screws, carbon steel screws, pins, rivets, nuts,
  	eccentric nails, embedded parts, and other fasteners.
  Business Type	Factory / Maufacture
  Service	CNC Machining
  	Turning and Milling
  	CNC Turning
  	Cold heading
  	stamping
  	Assembly Service
  Material	1). Aluminum: AL 6061-T6, 6063, 7075-T etc
  	2). Stainless steel:303,304,304L,316L,316F,630,410,420,430, etc
  	3). Steel: 4140, Q235, Q345B,20#,45# 1215,12L14 ,1144,1006,1008,1010,1015,1018 ,10B21,1035,1065 etc.
  	4)Alloy steel:5140,4135,4140,3435,5120,415 ,435,440 etc
  	5). Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc
  	6). Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90),C27000,C51900,C11000,C3604,H62,H65 etc
  	7). Copper, bronze, Magnesium alloy, Delrin, POM,Acrylic, PC, etc.
  Finish	Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish,
  	Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing,
  	electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench),
  	Electro Polishing,Chrome Plating, Knurl, Laser etch Logo, etc.
  Drawing format	STEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples.
  Tolerance	+/-0.01mm ~ +/-0.05mm
  Surface roughness	Ra 0.1~3.2
  Inspection	Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM
  	Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge