Precision CNC Machined Stepped Dual Thread Adjustment Shaft Custom Stainless Steel Positioning Screw

Description

This Precision CNC Machined Stepped Dual Thread Adjustment Shaft is a high-accuracy custom component designed for mechanical positioning, fine adjustment, and locking applications in demanding industrial environments. Manufactured through advanced CNC turning and threading processes, the part features a multi-step shaft structure combined with dual external threads, enabling both coarse adjustment and precise fine-tuning within a single integrated design.

The upper fine thread section allows for accurate micro-adjustment, while the larger diameter threaded section provides strong fastening and load-bearing capability. The bottom step or flange ensures reliable axial positioning and structural stability during operation. This functional combination makes it an ideal solution for applications requiring repeatable positioning and precise mechanical control.

Produced from high-quality materials such as stainless steel, alloy steel, or titanium, the component offers excellent strength, corrosion resistance, and durability. Surface treatments like passivation, black oxide, or polishing can be applied to meet specific environmental and performance requirements.

Widely used in industrial machinery, automation equipment, tooling fixtures, and precision instruments, this part is typically customized based on customer drawings or functional requirements. Tight tolerances and strict quality inspection processes, including thread gauges and CMM measurement, ensure consistent performance and high reliability.

We support full OEM/ODM services, from prototype development to mass production, providing flexible solutions tailored to your application.

 

Parameter Description
Product Name Precision CNC Machined Stepped Dual Thread Adjustment Shaft
Processing Method CNC Turning / Thread Machining
Material Options Stainless Steel (304 / 316), Carbon Steel, Alloy Steel (4140 / 40Cr), Titanium Alloy
Surface Treatment Polishing, Passivation, Black Oxide, Zinc Plating, Anodizing (for aluminum)
Thread Type Metric / UNC / UNF / Custom Thread
Thread Accuracy ISO 6g / 6H (Customizable)
Tolerance ±0.01 mm (Customizable based on drawing)
Surface Roughness Ra 0.8 – 3.2 μm
Structure Stepped Shaft with Dual External Threads
Diameter Range Ø5 – Ø100 mm
Length Range 10 – 300 mm
Application Mechanical Adjustment, Positioning, Locking Systems
Industry Applications Industrial Machinery, Automation Equipment, Tooling Fixtures
Drawing Format PDF / CAD / DWG / STEP / IGS
MOQ 1 Piece (Prototype Available)
Lead Time 7–15 Days (Depending on Quantity & Complexity)
Quality Control 100% Inspection / CMM / Thread Gauge Inspection
Packaging Anti-rust Oil + Protective Foam + Carton / Wooden Case
OEM / ODM Accepted

Additional information

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