





This threaded shaft mounting kit is a complete positioning assembly, fully pre-configured with all required hardware. The set includes a 4-hole die cast flange base, hex locking nut and multi-size adjusting shims. As a professional custom hardware manufacturer, Rongzhou develops complete mounting assemblies to match your equipment installation and fine-tuning requirements across different industries.
✓ Full set assembly with base, nut and adjusting shims
✓ 4-hole flange structure ensures solid bolted installation
✓ Threaded design supports precise position fine-tuning
✓ Die cast one-piece base with stable dimensional consistency
✓ Full-component customization for diverse assembly projects

Matching components together for convenient installation.

Shims & lock nut for angle and height calibration.

Integrated structure for reliable vibration resistance.

Smooth threading for easy locking and disassembly.

Suitable for optical modules and industrial fixtures.

Modify structure, thread and surface treatment.

1. One-stop die casting & component assembly: Rongzhou finishes mold making, casting, threading, surface treatment and kit assembly in-house.
2. Strict thread tolerance control: Guarantee smooth fit between stud and lock nut for repeated adjustment.
3. Flexible component modification: Adjust flange hole layout, thread size, shim thickness and nut style quickly for new OEM orders.
4. Pre-production sample service: Supply full-set prototype kits for fit testing before mass production.
5. Consistent batch quality: Uniform size, thread and surface finish for bulk assembly orders.

1. Simplify procurement: Purchase one complete kit instead of sourcing separate loose parts, save purchasing time.
2. Easy on-site adjustment: Use shims and lock nut to calibrate mounting position without rework.
3. Strong structural stability: Die cast base resists vibration and loosening in long-term operation.
4. Wide application flexibility: Works well for optical lens units, optoelectronic modules and industrial fixture installation.
5. End-to-end OEM support: Rongzhou reviews drawings, develops molds, assembles kits and delivers bulk goods.

Q: Can Rongzhou customize all parts of this mounting kit?
A: Yes, we customize all components according to your technical drawings.
Q: Is this kit only for automotive headlight projectors?
A: No, it is universal for optical modules and industrial fixture mounting.
Q: What material choices are available for this die cast kit?
A: Zinc alloy and aluminum alloy are optional based on your needs.
Q: Can you provide full set samples for fitting test?
A: Sure, we supply complete prototype kits for your assembly testing.
Q: Can we adjust the surface finish of these components?
A: Yes, multiple coating, plating and sandblasting finishes are available.
| Product Name | Threaded Shaft Mounting Kit |
| Full Kit Components | 4-hole die cast flange base + hex locking nut + multi-size positioning adjusting shims |
| Main Processes | Pressure die casting, thread machining, deburring, surface coating, component assembly |
| Material | Zinc alloy / Aluminum alloy (customizable) |
| Surface Treatment | Matte black coating, sandblasting, zinc plating, customizable |
| Core Structure | Integrated threaded stud flange, four fixing holes, adjustable locking assembly |
| Color | Matte black, custom color available |
| Application | Optical projector lens installation, optoelectronic module positioning, industrial mechanical fixture assembly, multi-scenario equipment mounting |
| Service Type | B2B OEM full-set assembly & bulk wholesale |







Custom flange shape, hole layout of the die cast base

Custom thread specification and stud length

Custom shim thickness and outer dimension

Custom lock nut style and anti-loose design

Custom surface finish and color for all parts