Custom Brass Square Head Cross Drilled Pins CNC Turn Mill Components for Mechanical Linkages
This component combines different geometric features within one compact part. The cylindrical lower section provides positioning or rotational support, while the square head offers an orientation surface, mechanical stop or anti-rotation feature.
A transverse hole can be machined through the head for connecting a cable, retaining pin, spring, linkage or other assembly component. The hole diameter and center position can be adjusted according to the mating structure.
Production normally begins with CNC turning to form the shaft diameter and shoulder. Milling is then used to create the square or rectangular head, followed by cross drilling, chamfering and deburring.
This turn-mill process is suitable for custom parts that cannot be completed by simple turning alone. Critical shaft diameters, shoulder positions and hole locations should be marked on the drawing for inspection.
Product Specifications
| Item | Available Options |
|---|---|
| Product Type | Square head pin / cross-drilled linkage pin |
| Material | Brass, copper alloy, stainless steel, aluminum or carbon steel |
| Manufacturing Process | CNC turning, milling, cross drilling and deburring |
| Head Profile | Square, rectangular, hexagonal, D-shaped or custom |
| Shaft Structure | Straight, stepped, grooved or threaded |
| Cross Hole | Custom diameter and position |
| Overall Size | Manufactured according to drawing |
| Dimensional Tolerance | ±0.01 mm–±0.05 mm for selected critical dimensions |
| Surface Finish | Natural, polished, nickel plated or custom |
| Application | Linkages, fixtures, locks, instruments and machinery |
| Production Basis | 2D drawing, 3D model or physical sample |
| Order Type | Prototype, small batch or volume production |
Custom Options
| Feature | Required Information |
| Shaft Diameter | Nominal diameter and fitting tolerance |
| Shaft Length | Length below the head |
| Head Size | Width, depth and height |
| Head Profile | Square, flat-sided or custom |
| Cross Hole | Diameter and center position |
| Shoulder | Diameter, height and corner radius |
| End Shape | Flat, chamfered, rounded or custom |
| Material Grade | Required brass alloy or alternative material |
| Surface Treatment | Natural, polishing, plating or custom |
| Inspection | Critical dimensions and inspection method |
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