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CNC Machined Carbon Steel Square Shaft Connector with High Corrosion Resistance and Customizable Options
| Place of Origin | GuangDong Dongguan |
| Brand Name | SITUO |
| Certification | ISO9001 & TS16949 |
| Model Number | ST-200021 |
CNC machined carbon steel shaft connector
,high corrosion resistance shaft connector
,customizable square shaft connector
Carbon Steel Square Shaft Connector is a high-precision CNC machined positioning and connection fitting for industrial mechanical equipment. Made of high-quality carbon steel and processed by integrated CNC turning and milling, this square positioning connector features rigid structure, accurate tolerance and excellent stability.
The professional square hole design realizes anti-rotation positioning and synchronous power transmission, effectively avoiding slipping, offset and inaccurate positioning problems of traditional round connectors. It is widely used in automated machinery, tooling fixtures, precision equipment and transmission modules, supporting standard batch supply and custom OEM processing.
Adopting industrial-grade carbon steel, the connector owns high hardness, strong torsion resistance and stable compression performance. It maintains stable structural performance under frequent start-stop, continuous load and long-term operation. Optional surface treatments such as blackening and zinc plating enhance rust resistance.
Each square shaft connector is precisely processed by CNC machines with strict control of inner square size, concentricity, flatness and assembly tolerance. Smooth inner surface, burr-free finish and flat end face ensure minimal fitting clearance, high positioning accuracy and stable equipment operation.
The four-sided fully fitting structure eliminates relative rotation, idle slipping and angular deviation during operation. It integrates precise positioning and synchronous transmission functions, ensuring excellent coaxiality and stable torque output for mechanical systems.
We provide comprehensive non-standard customization according to drawings and samples, including custom square hole size, outer diameter, length, steps, grooves and thread structures. Services cover prototype trial production, small-batch orders and large-scale mass production.
- Automated equipment square shaft positioning connection parts
- Precision tooling fixture positioning connector fittings
- Mechanical equipment synchronous transmission components
- Precision instrument and testing machine positioning fasteners
- Custom non-standard mechanical square shaft adapter parts
All carbon steel square shaft connectors undergo strict dimensional testing, appearance finishing and assembly inspection before delivery to ensure reliable quality. Standard sizes are in stock for fast shipment, and one-stop CNC custom machining is available. We provide stable and cost-effective precision connection fittings for global automation, machinery manufacturing and precision tooling industries.
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.
| Main Products | Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, and other fasteners. |
| Business Type | Factory / Manufacturer |
| Services | CNC Machining, Turning and Milling, CNC Turning, Cold heading, Stamping, Assembly Service |
| Materials | Aluminum: AL 6061-T6, 6063, 7075-T etc Stainless steel: 303,304,304L,316L,316F,630,410,420,430, etc Steel: 4140, Q235, Q345B,20#,45# 1215,12L14,1144,1006,1008,1010,1015,1018,10B21,1035,1065 etc. Alloy steel: 5140,4135,4140,3435,5120,415,435,440 etc Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90),C27000,C51900,C11000,C3604,H62,H65 etc Copper, bronze, Magnesium alloy, Delrin, POM, Acrylic, PC, etc. |
| Finishes | 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 |
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