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NHY-F00105
NHY
Our custom CNC machined hollow step pilot pin is a precision guiding component engineered for accurate alignment and positioning in injection molds, industrial fixtures, and automated assembly systems. Featuring a hollow tubular structure and a precision step at one end, it is produced via advanced CNC turning and grinding processes to achieve tight dimensional tolerances. Crafted from wear-resistant alloy steel or stainless steel, this pilot pin delivers reliable guiding performance while reducing overall weight and material cost, making it ideal for high-volume industrial applications. Fully customizable in outer diameter, inner bore, step dimensions, and length, it caters to diverse precision guiding needs across mold manufacturing, automation, automotive, and aerospace industries, ensuring consistent assembly accuracy and efficient production flow.
| Parameter | Standard Specification | Custom Option |
|---|---|---|
| Material | Alloy Steel 4140/Stainless Steel 304 | Titanium Alloy/Brass |
| Outer Diameter | Custom (φ3mm–φ25mm) | Fully customizable |
| Inner Bore Diameter | Custom (φ2mm–φ20mm) | Fully customizable |
| Step Diameter | Custom (1–3mm larger than outer diameter) | Fully customizable step size |
| Overall Length | Custom (10mm–100mm) | Fully customizable |
| Dimensional Tolerance | ±0.005mm | Tighter tolerance (±0.002mm) |
| Surface Finish | Passivated / Black Oxide | Polished / Custom coating |
| Hardness (Alloy Steel) | HRC 40–45 | Custom hardness levels |
3.Application Case
A mold manufacturer integrated our hollow step pilot pins into plastic injection molds for automotive interior parts, using the step to align movable mold cores. The tight tolerance design maintained core positioning accuracy within 0.003mm across 100,000+ molding cycles, reducing mold maintenance downtime by 30%.
A factory automation client utilized our stainless steel pilot pins in a robotic assembly fixture, guiding electronic component placement. The hollow structure reduced fixture weight, improving robot arm responsiveness, while the step design eliminated component misalignment errors by 42%.
Step Positioning Design: Provides a clear mechanical stop for precise component placement.
Hollow Tubular Structure: Lightweight design reduces material cost and equipment load.
Full Customization: Non-standard outer/inner diameters, step sizes, and lengths are available.
High Wear Resistance: Premium metal material extends service life in repeated mold cycles.
Easy Installation: Step design simplifies insertion and alignment without complex adjustments.
100% dimensional inspection via CMM
Material certification (RoHS, mill test reports)
Fatigue and torque testing for critical applications
ISO 9001, ITAF 16949, ISO14001
