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Dongguan Situo Hardware Products Technology Co., Ltd

  • China,Dongguan ,Guangdong
  • Verified Supplier
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China SS303 Stainless Steel M5 Screws Precision Arc Rings Custom CNC Processing
China SS303 Stainless Steel M5 Screws Precision Arc Rings Custom CNC Processing

  1. China SS303 Stainless Steel M5 Screws Precision Arc Rings Custom CNC Processing
  2. China SS303 Stainless Steel M5 Screws Precision Arc Rings Custom CNC Processing
  3. China SS303 Stainless Steel M5 Screws Precision Arc Rings Custom CNC Processing
  4. China SS303 Stainless Steel M5 Screws Precision Arc Rings Custom CNC Processing

SS303 Stainless Steel M5 Screws Precision Arc Rings Custom CNC Processing

  1. MOQ: 1PCS
  2. Price: 5-10 USD per item
  3. Get Latest Price
Corrosionresistance High
Category Screws
Surface treatment Passivation
Packing plastic pallets
Material stainless steel
Drawing Format 2D/(PDF/CAD/DWG/DXF)3D(IGES/STEP/VDA)
Our Service One-step Service
Sample period 10 to 15 days
Precision Min0.001
Processing technology CNC turning
head shape Hexagon
Payment Terms T/T
Supply Ability 10000PCS per day
Delivery Time Communication
Packaging Details Communication
product name Screw
Service Customized
Brand Name SITUO
Model Number ST-30003
Certification ISO9001 & TS16949
Place of Origin GuangDong Dongguan

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  1. Product Details
  2. Company Details

Product Specification

Corrosionresistance High Category Screws
Surface treatment Passivation Packing plastic pallets
Material stainless steel Drawing Format 2D/(PDF/CAD/DWG/DXF)3D(IGES/STEP/VDA)
Our Service One-step Service Sample period 10 to 15 days
Precision Min0.001 Processing technology CNC turning
head shape Hexagon Payment Terms T/T
Supply Ability 10000PCS per day Delivery Time Communication
Packaging Details Communication product name Screw
Service Customized Brand Name SITUO
Model Number ST-30003 Certification ISO9001 & TS16949
Place of Origin GuangDong Dongguan
High Light SS303 stainless steel tower screwsadjusting M5 screws Custom4140 Q235 precision arc rings
SS303 Stainless Steel M5 Screws Precision Arc Rings Custom CNC Processing
Tower-type joint, stainless steel M5 adjusting screws, precision arc rings, custom-made by CNC processing
With high precision and customization capabilities, CNC machined screws have become the fastener of choice for high-reliability, high-precision, and high-complexity assembly scenarios in international manufacturing, with distinct application characteristics across industries.
Aerospace (The Most Demanding Scenarios)
Core Applications:
  • Aircraft wing / fuselage structural connections
  • Engine component fixation
  • Satellite / rocket cabin assembly
  • Airborne equipment fastening
Scenario Characteristics:
  • Extreme working conditions: Withstand temperature differences from -55℃ to 300℃, high-frequency vibration, strong impact, and alternating loads
  • Lightweight priority: Extensive use of titanium alloys and high-temperature alloys to reduce weight while ensuring strength
  • Ultimate precision: Thread tolerance ±0.005 mm, strict geometric tolerances, in compliance with AS9100 aerospace quality standards
  • Zero-failure requirement: A single screw failure may cause a major accident, requiring 100% full inspection and full-process traceability
Automotive Manufacturing (Equal Emphasis on Scale & Precision)
Core Applications:
  • Engine block / crankshaft fastening
  • Transmission components
  • NEV battery packs / motor housings
  • Chassis suspension systems
Scenario Characteristics:
  • High strength + high temperature resistance: Engine screws must withstand temperatures above 300℃ and severe vibration; commonly made of 42CrMo and alloy steel with heat treatment
  • High volume + consistency: Mass production at the million level, dimensional consistency ±0.01 mm, ensuring assembly interchangeability
  • New energy trend: Battery pack screws require insulation, lightweight, and corrosion resistance; the proportion of aluminum alloy / stainless steel materials is increasing
Consumer Electronics & Semiconductor (Ultimate Miniaturization & Precision)
Core Applications:
  • Internal structures of smartphones / laptops
  • Micro-fastening for smart watches / earphones
  • Fixation for semiconductor equipment chambers / wafer carriers
Scenario Characteristics:
  • Ultra-miniaturization: Minimum M0.8~M1.6 micro screws, thread precision ±0.001 mm, head size only 0.5~1.5 mm
  • Ultra-thin wall & complex head types: Adapt to compact spaces; common designs include Torx, hex socket, and non-standard special-shaped heads
  • High surface requirements: Ra ≤ 0.8 μm, burr-free; commonly treated with anodizing, nickel plating, etc., for appearance and rust prevention
Medical Devices (Biological Safety & High Precision)
Core Applications:
  • Orthopedic implant screws (spine / joints)
  • Surgical instrument fastening
  • Internal component fixation for medical equipment (CT / MRI)
Scenario Characteristics:
  • Biocompatibility: Made of Ti-6Al-4V ELI, 316LVM medical stainless steel, non-toxic and non-allergenic, in compliance with ISO 13485
  • Ultra-high cleanliness: Surface Ra ≤ 0.4 μm, produced in cleanrooms, free of oil and particle contamination
  • Customized adaptation: Threads and head types customized according to human bone structure for accurate implantation and fixation
Industrial Automation & Precision Instruments (Stability & Versatility)
Core Applications:
  • Fastening for robot joints, servo motors
  • Optical instruments, sensors
  • High-end machine tool components
Scenario Characteristics:
  • High rigidity + low loosening: Ensure long-term operational accuracy; commonly use lock threads and locking washers
  • Multi-variety, small-batch: Rapid model change, adapting to flexible production requirements of automated production lines
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 bo-sch, Foxconn, 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 / Manufacture
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
CNC machined stainless steel screws and components Precision arc rings and fasteners Custom CNC processed hardware parts Industrial fastener manufacturing Stainless steel screw production CNC machining equipment and products Precision manufactured components Industrial fasteners and hardware Custom CNC processing capabilities Manufacturing facility and equipment Quality control and inspection Finished product showcase

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Seller

  • Year Established:

    2019

  • Total Annual:

    2800000-3500000

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

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  • Dongguan Situo Hardware Products Technology Co., Ltd
  • No. 9, Shi bi One Alley, Zhangmutou Town, Dongguan City, Guangdong Province
  • https://www.cnc-hardwareparts.com/

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