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Precision CNC Machined Knurled Rods & Adjustment Studs
Custom
Introducing our new liner pin! Designed with precision for a secure fit, our pin ensures smooth and steady movement of your machinery. Get yours today!
minimum order
1 piece
Country of Origin
Dongguan SHENZHEN Guangzhou
Quantity
$0.10 - $1.00
/ piece
Introducing our new liner pin! Designed with precision for a secure fit, our pin ensures smooth and steady movement of your machinery. Get yours today!
| Key Attributes | |
| Machining Capabilities | CNC Machining Processes:Broaching, Drilling, Etching/Chemical Machining, Laser Machining, Milling, Turning, Wire EDM, Rapid Prototyping |
| Materials Supported | Aluminum, Brass, Bronze, Copper, Hardened Metals, Stainless Steel, Steel Alloys, Plastic |
| Micro-Machining or Not | Micro Machining |
| Key Processes | CNC Milling, Turning, Drilling |
| Tolerance Standards | Industry-standard precision |
| Surface Treatments | Anodizing, Plasting, Polishing, etc. |
| Applications | Control Systems, Automotive Components |
| Place of Origin | Guangdong, China |
| Model Number | CUSTOM |
| Service Type | Customized OEM/ODM Manufacturing |
| Drawing Formats | PDF, CAD, IGES, STEP |
| Delivery Time | 7-30 Days |
| MOQ | 10 pcs |
· Product Overview
Introducing our Precision CNC Machined Knurled Rods and Adjustment Studs, high-quality mechanical components designed for precise positioning, fine-tuning, and secure fastening in a wide range of applications. These sleek, cylindrical rods feature knurled heads at one or both ends, providing excellent grip for manual adjustment without tools.
Crafted from premium-grade stainless steel (304/316), these studs offer exceptional corrosion resistance, durability, and dimensional accuracy. The smooth shaft body and precision-machined knurling ensure reliable performance in demanding environments — ideal for use in medical devices, aerospace equipment, industrial automation, and precision instruments.
Whether you're building a calibration device, robotic joint, or custom assembly, these adjustment studs deliver the precision and reliability needed for accurate, repeatable motion control.
· Core Specifications
| Feature | Specification |
|---|---|
| Material | Stainless Steel 304 / 316 – corrosion-resistant and durable |
| Surface Finish | Mirror-polished or matte finish; Ra ≤ 1.6 μm |
| Tolerance | ±0.01mm (±0.0004") – achieved via CNC turning and grinding |
| Diameter Range | Ø3mm – Ø8mm |
| Length Range | 10mm – 50mm (customizable) |
| Head Type | Knurled round head (one or both ends), flat end options available |
| Processing Method | CNC Turning + Knurling + Deburring + Polishing |
| Hardness | HRC 28–35 (standard); optional heat treatment for higher strength |
· Application Scenarios
These precision knurled rods are widely used across industries where fine adjustment, manual control, and secure mounting are essential:
- Medical Devices: Surgical instrument adjusters, diagnostic equipment knobs
- Industrial Automation: Positioning screws, alignment rods, micro-adjustment mechanisms
- Robotics & Mechatronics: Joint tensioners, servo fine-tuning elements
- Aerospace & Defense: Instrument panel controls, sensor mounts
- Optical Equipment: Lens adjustment knobs, focus mechanisms
- DIY Projects & Education: Model engineering kits, mechanical prototypes
Ideal for:
- Manual fine-tuning of position or pressure
- Tool-free adjustments in compact spaces
- Secure fastening with anti-slip grip
- Creating ergonomic control interfaces
· Production Process Introduction
· Packaging and Shipping Methods
- Inner Packaging: Each rod is individually wrapped in anti-static plastic film.
- Outer Packaging: Packed in sturdy cardboard boxes with foam padding to prevent damage during transit.
- Shipping Options:
- Express: DHL, FedEx, UPS (3–7 days delivery)
- Air Freight: 5–10 days (ideal for urgent small orders)
- Sea Freight: 15–30 days (cost-effective for bulk shipments)
- Custom Labeling: Available upon request (part numbers, batch codes, QR labels)
· Frequently Asked Questions (FAQ)
Q1: What is the Minimum Order Quantity (MOQ)?
A: Our standard MOQ is 50 pieces for stock items. For custom designs, MOQ starts at 100 pieces, but we accept sample orders (1–5 pcs) for evaluation.
A: Our standard MOQ is 50 pieces for stock items. For custom designs, MOQ starts at 100 pieces, but we accept sample orders (1–5 pcs) for evaluation.
Q2: What is your lead time?
A:
A:
- Standard Items: 3–5 working days after payment
- Custom Orders: 10–15 working days (depending on complexity and quantity)
- Urgent Orders: Expedited production available for an additional fee
Q3: Can I customize the dimensions or knurling pattern?
A: Yes! We offer full customization including:
A: Yes! We offer full customization including:
- Diameter and length
- Knurling depth and pitch
- Head style (single or double-ended)
- Surface treatment (polishing, plating, etc.)
Simply provide your technical drawing or CAD file (STEP, DWG, IGES), and our engineering team will assist with feasibility and quoting.
Q4: Do you offer samples?
A: Yes! We provide free samples (up to 3 pcs) for standard models. You only pay shipping costs. Custom samples may require a nominal fee, which can be refunded upon placing a bulk order.
A: Yes! We provide free samples (up to 3 pcs) for standard models. You only pay shipping costs. Custom samples may require a nominal fee, which can be refunded upon placing a bulk order.
Q5: What certifications do you have?
A: ISO 9001:2015 certified manufacturer. All products comply with international quality standards. Third-party testing available upon request.
A: ISO 9001:2015 certified manufacturer. All products comply with international quality standards. Third-party testing available upon request.
·Why Choose YITECH?
✅ High-Precision Machining – Tolerances down to ±0.01mm
✅ Flexible Customization – From simple rods to complex multi-feature studs
✅ Fast Turnaround – Efficient production and responsive customer service
✅ OEM/ODM Services – Full support from design to delivery
✅ Global Shipping – Reliable logistics with tracking and insurance options
✅ Flexible Customization – From simple rods to complex multi-feature studs
✅ Fast Turnaround – Efficient production and responsive customer service
✅ OEM/ODM Services – Full support from design to delivery
✅ Global Shipping – Reliable logistics with tracking and insurance options
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