Recommend Products
Precision threaded shafts for linear motion, lead screws, and custom assemblies. Tight tolerances, multiple thread forms. Ideal for robotics, automation, and medical devices. Request a quote.CustomUS $1.69 - US $3.95
CustomUS $1.25 - US $3.26
CustomUS $0.15 - US $2.68
Precision custom CNC turning in 2-axis, multi-axis, and Swiss-type. Tolerances to ±0.002 mm on aluminum, steel, stainless, brass, and titanium. Quote in 4 hours, parts in 7 days.CustomUS $1.25 - US $2.53
OEM CNC Machined Plastic Parts 3D Model Milling Process for Machinery CNC Turning Parts for CNC Plastic Parts
Custom
High-quality CNC machining plastics for prototypes and production. Low-friction, durable components. Fast turnaround, competitive pricing. Request a quote today.
minimum order
1 piece
Quantity
$1.50 - $1.50
/ piece
High-quality CNC machining plastics for prototypes and production. Low-friction, durable components. Fast turnaround, competitive pricing. Request a quote 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 the YITECH Precision Tapered Adapter Pin — a high-accuracy mechanical interface engineered for optical alignment, sensor mounting, robotic end-effectors, and precision instrumentation.
This compact yet robust component combines:
- Self-centering tapered tip (±0.005 mm concentricity) for repeatable positioning
- Full-length precision threads (M6/M8/M10 standard) for secure, torque-controlled attachment
- Matte black Type II anodized finish (10–15 μm) — non-reflective, corrosion-resistant, and scratch-tolerant
- CNC-turned from solid A6061-T6 or 304 stainless steel — zero warpage, ±0.005 mm dimensional control
Unlike off-the-shelf pins or stamped parts, this adapter delivers kinematic-level repeatability — critical when misalignment > 0.01 mm causes system failure (e.g., in fiber coupling, interferometry, or micro-positioning).
Perfect for engineers building compact, high-performance subsystems where every micron matters.
· Core Specifications
| Parameter | Specification |
|---|---|
| Material Options | • A6061-T6 Aluminum (lightweight, non-magnetic) • AISI 304 Stainless Steel (corrosion-resistant, higher strength) • AISI 4140 Alloy Steel (for high-load applications) |
| Surface Finish | Type II Anodized – Matte Black (standard); optional: PVD TiN (gold), Black DLC, or passivated 304 SS |
| Overall Dimensions | L45 mm × Ø12 mm (standard); customizable: L20–100 mm × Ø6–20 mm |
| Tapered Tip | Conical angle: 60° (standard); tip diameter: Ø2.0 mm ±0.002 mm; runout ≤ 0.005 mm |
| Threaded End | M6 × 1.0 (standard); optional: M8×1.25, M10×1.5, or custom metric/UNF threads |
| Thread Length | Full thread (≥12 mm) — ensures maximum engagement and torque transfer |
| Tolerances | • Diameter (Ø): ±0.005 mm • Length: ±0.02 mm • Taper concentricity: ≤ 0.005 mm TIR • Thread pitch: ±0.01 mm |
| Manufacturing Process | Precision turning (CNC lathe) → grinding (tip & OD) → deburring → anodizing/coating → laser marking |
| Weight | ~18 g (Al, L45 mm); ~32 g (304 SS) |
| Max Load Capacity | Axial pull: 1,500 N (M6, 304 SS); Torque retention: 5.0 N·m @ M6 |
| Operating Temp. | -40°C to +150°C (Al); -60°C to +250°C (304 SS) |
| Compliance | ISO 9001, RoHS, REACH, FDA-compliant (for medical-grade variants) |
· Application Scenarios
This adapter excels in high-precision mechanical and optical integration:
- Fiber Optic & Laser Systems
→ Coupling adapter for laser diodes, photodiodes, or collimators
→ Tapered tip ensures axial alignment within ±5 μm — critical for low-loss coupling - Metrology & Inspection Equipment
→ Kinematic locator pin for CMM probe heads, surface profilometers, or gauge blocks
→ Repeatable seating = reduced measurement drift - Robotics & Automation
→ Tool-change interface pin for collaborative robots (e.g., UR, Fanuc)
→ Self-centering enables quick, tool-free docking - Medical Devices
→ Alignment pin for endoscopic camera mounts, surgical navigation systems, or lab-on-chip cartridges
→ Non-magnetic (Al) or biocompatible (304 SS) options available - Aerospace & Defense
→ Sensor mounting for inertial measurement units (IMUs) or LiDAR modules
→ Vibration-resistant design survives MIL-STD-810G testing
💡 Why engineers choose this adapter:
- Tapered tip = automatic centering — eliminates manual alignment steps
- Full-thread design = high clamping force without thread damage
- Black anodize = optical neutrality — zero glare in imaging/laser paths
- Customizable in days — not weeks like traditional machined parts
· Production Process Introduction
· Packaging and Shipping Methods
- Standard Packaging: 1 adapter per anti-static PE bag; 100 adapters per cardboard box with EPE dividers.
- Bulk Options: 500–10,000+ units per pallet (custom tray inserts available).
- Shipping Methods:
- 📦 Express (DHL/FedEx/UPS): 3–7 business days (global)
- ✈️ Air Freight: 5–10 days (orders ≥ 500 pcs)
- 🚢 Sea Freight: 20–35 days (container loads)
- White-Label Services:
- Laser engraving (brand logo, part #, QR code)
- Branded retail boxes (for direct sales)
- Kitted solutions (e.g., “Optical Alignment Kit”: 10 adapters + M6 screws + alignment target)
· Frequently Asked Questions (FAQ)
Q1: What is the MOQ?
A:
A:
- Standard adapter (L45 mm, Ø12 mm, M6, black anodized Al): 200 pcs
- Custom size/thread/material: 500 pcs
- Samples: 3–5 pcs free for verified B2B customers (shipping paid)
Q2: What’s the lead time?
A:
A:
- In-stock designs: 5–7 working days after payment
- Custom CAD: 7–10 working days (includes design review & FAI)
- Rush service (≤5 days): Available for +15% fee
Q3: Can I customize the taper angle (e.g., 30°, 90°), thread type (UNF, metric, trapezoidal), or add a flat for wrench grip?
A: Yes — full customization is our strength:
A: Yes — full customization is our strength:
- Taper angle: 30°, 45°, 60°, 90° (or custom conical/spherical tip)
- Threads: M3–M12 metric, UNC/UNF, Acme, or custom pitch
- Features: Wrench flats, O-ring grooves, coolant holes, or magnetic inserts
- Materials: A6061-T6 (standard), 304/316 SS, 4140 steel, or titanium
- Finishes: Black anodize (standard), clear, PVD TiN, black DLC, or dry-lube
👉 Send a sketch, STEP file, or description — we’ll provide a 3D model, tolerance analysis, and quote within 2 hours.
Q4: Is the tapered tip hardened? Can it withstand repeated insertion?
A: Standard Al version has surface-hardened tip (anodize + thermal treatment, HV 180–220). For high-wear applications, we offer:
A: Standard Al version has surface-hardened tip (anodize + thermal treatment, HV 180–220). For high-wear applications, we offer:
- Carbide-tipped insert (replaceable, press-fit)
- Through-hardened 4140 steel (HRC 55–58)
- Nitrided surface (for 10x longer life in automated docking cycles)
Just specify your cycle count — we’ll optimize the material/finish.
Q5: Do you provide GD&T drawings or mounting templates?
A: Yes — for every order, we provide:
A: Yes — for every order, we provide:
- Free downloadable CAD files (STEP, IGES, DXF)
- PDF GD&T drawing (ASME Y14.5 compliant)
- BOM-ready part numbering (SolidWorks/Onshape compatible)
- Functional test report (runout, torque, load data) upon request
· Why Choose YITECH?
✅ Kinematic Precision — Tapered tip ensures repeatability down to ±5 μm
✅ Engineered for Integration — Not just a pin, but a system enabler
✅ Fast Customization — From idea to metal in under 10 days
✅ Trusted by Innovators — Used in photonics startups, medical device OEMs, and aerospace subcontractors
✅ Engineered for Integration — Not just a pin, but a system enabler
✅ Fast Customization — From idea to metal in under 10 days
✅ Trusted by Innovators — Used in photonics startups, medical device OEMs, and aerospace subcontractors
Send Message
Comprehensive score