Milling Turning CNC Machined Tapered Dowel Pins with Slot & Hole
Custom
Precision tapered dowel pins for accurate alignment and self-locking fit. Ideal for tooling, fixtures, and machinery assembly. Available in steel and stainless steel. Request a quote.
minimum order
1 piece
Country of Origin
SHEN ZHEN , DONGGUAN
Quantity
$0.35 - $0.35
/ piece
Precision tapered dowel pins for accurate alignment and self-locking fit. Ideal for tooling, fixtures, and machinery assembly. Available in steel and stainless steel. Request a quote.
| 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 the YITECH Precision CNC Machined Tapered Dowel Pins, high-accuracy mechanical components designed for precise alignment, positioning, and secure assembly in industrial machinery, automation systems, and precision equipment. These tapered pins feature a square or rectangular head with a central slot or hole, allowing them to be easily inserted, removed, or secured using tools like punches or screwdrivers.
Crafted from high-grade stainless steel (304/316) or alloy steel, these dowel pins offer excellent strength, corrosion resistance, and dimensional stability. The tapered design ensures a snug fit into pre-drilled holes, providing reliable location and anti-rotation functionality without additional fasteners.
Ideal for engineers, manufacturers, and DIY enthusiasts who need durable, repeatable alignment solutions, these pins are perfect for use in robotic joints, motor mounts, and modular assemblies.
· Core Specifications
| Feature | Specification |
|---|---|
| Material Options | Stainless Steel 304 / 316, Alloy Steel (45# Steel) |
| 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 – Ø12mm |
| Length Range | 10mm – 50mm |
| Taper Angle | 1:50 (standard), customizable |
| Head Design | Square/rectangular head with central slot or hole |
| Processing Method | CNC Turning + Milling + Drilling + Deburring |
| Hardness | HRC 40–58 (optional heat treatment for enhanced wear resistance) |
· Application Scenarios
These precision-machined tapered dowel pins are widely used across industries where accurate alignment and secure positioning are essential:
- Industrial Automation: Motor shaft alignment, conveyor system components
- Robotics & Mechatronics: Joint connectors, servo housing fixations
- Medical Devices: Surgical instrument guides, diagnostic equipment parts
- Aerospace & Defense: Sensor mounts, actuator housings, flight control brackets
- Automotive Industry: Transmission components, steering system parts
- CNC Machines & 3D Printers: Tool holder alignment, spindle fixtures
Ideal for:
- Precise alignment of mating parts
- Preventing rotation or misalignment
- Creating reusable assembly interfaces
- Replacing traditional rivets or screws in compact designs
· Production Process Introduction
We follow a meticulous, multi-stage production process to ensure every pin meets the highest standards of accuracy and performance:
- Raw Material Selection
High-quality stainless steel or alloy steel bars sourced from certified suppliers. - CNC Turning
Precision machining of the tapered shaft and cylindrical body to exact dimensions. - Milling
Square/rectangular head is milled with a central slot or hole for tool engagement. - Drilling
Central hole is drilled through the head for insertion of tools or locking mechanisms. - Deburring & Polishing
All edges and surfaces are deburred and polished to prevent scratches or interference during installation. - Heat Treatment (Optional)
Quenching and tempering to increase hardness and fatigue resistance. - Final Inspection
Each pin is inspected using:- Micrometers and calipers
- Optical comparators
- Taper gauges
- Thread gauges (if applicable)
- Packaging
Individually wrapped in anti-static bags with protective foam inserts.
· Packaging and Shipping Methods
- Inner Packaging: Each pin 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 size, material, or head design?
A: Yes! We offer full customization including:
A: Yes! We offer full customization including:
- Diameter and length
- Taper angle (e.g., 1:50, 1:100)
- Head shape (square, hexagonal, cylindrical)
- Surface treatment (polishing, plating, etc.)
- Material options (stainless steel, brass, titanium, 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 standard pins to complex multi-feature designs
✅ 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 standard pins to complex multi-feature designs
✅ 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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