Slotted Head Knurled Locating Stud
Products Description
The core feature of the Slotted Head Knurled Locating Stud lies in its combined "positioning guidance + anti-rotation fastening" design. The knurled section provides a high-friction surface, ensuring the stud is firmly positioned in the hole and not easily rotated; the slotted head allows direct operation with a standard screwdriver for quick tightening or adjustment; the threaded or cylindrical end structure ensures final axial fixation and alignment. The overall structure is compact, with strictly controlled dimensional tolerances, making it suitable for precision assembly environments.
Key Features:
Knurled Anti-Rotation Design: The straight or knurled knurling in the middle section increases contact friction with the mounting hole, preventing accidental rotation after assembly.
Slotted Drive: The standard slotted structure allows for precise operation with hand tools, supporting operation in confined spaces.
Precision Positioning Performance: The cylindrical or tapered end design achieves high-precision alignment with minimal repeatability.
Multi-Specification Adaptability: Supports different lengths, diameters, and thread specifications, compatible with various substrates and assembly requirements
Main Functions: The Three Core Missions of the Positioning System
| Precise Establishment of Spatial Reference | The primary function of the Slotted Knurled Press-In Pin is to establish a precise spatial reference coordinate system within the assembly. Through the precise fit between the locating section and the mating hole, the translational and rotational degrees of freedom of the component to be assembled are constrained within the design limits, providing a precise starting point for subsequent fastening or connection operations. |
| Axial Locking and Preload Control | After positioning, the threaded section provides axial locking force, pressing the component against the reference surface. The magnitude of the locking force is controlled by the tightening torque, forming a "positioning first, locking later" sequence with the positioning function, avoiding the errors introduced by the traditional "positioning and locking simultaneously" method of fasteners. |
| Human-Machine Interface | The slotted groove and knurled texture together constitute the operating interface field, enabling the Slotted Head Knurled Step Pin to adapt to both tool-operated and manual operation modes. This interface function has irreplaceable value in automated assembly, on-site maintenance, and emergency operations. |
Detailed Showcase: Engineering Dedication Down to the Micrometer
Smoothness of Knurled Tooth Tips
Under a microscope, the tips of high-quality radial extrusion knurling exhibit a continuous, bright contact band, rather than serrated burr peaks. This indicates uniform stress distribution, effectively preventing creep cutting of the substrate hole wall under long-term pressure.
Symmetry and Corner Clearness of the Slot
The side walls of the slot are perfectly parallel and absolutely symmetrical with the Slotted Knurled Step Pin axis. There are no debris residues at the corners of the slot bottom, presenting a clear, rounded transition. This ensures a close fit when the screwdriver is inserted, preventing slippage and scratches on the product's appearance during force application.
Surface Texture of the Relief Groove
At the end of the knurling, the relief groove shows a regular lead termination, rather than an abrupt interruption. This avoids instantaneous stress concentration at this point, a sign of mature precision machining technology.
Technical Highlights & Micro-Details
Chambered Edges
The outer edge of the knurled head undergoes a fine 45-degree chamfer, eliminating the microscopic sharp flash generated during knurling and providing engineers with an excellent, gentle feel during frequent manual operation.
Slotted Screw Depth and Width Equivalence
The depth and width tolerance of the slotted screwdriver bit in each batch is controlled within 0.05mm. The depth is sufficient to allow the standard screwdriver bit to fully sink to the bottom of the slot, preventing slippage, scratching, or scratching of the equipment surface when transmitting high torque.
Environmentally Friendly Hydrogen Embrittlement-Free Surface Treatment
Carbon steel products utilize advanced, environmentally friendly trivalent chromium-zinc or microcrystalline phosphating processes and undergo a rigorous hydrogen removal process during baking, 100% eliminating delayed fracture (hydrogen embrittlement risk) of high-strength Slotted Knurled Positioning Pins during subsequent service.
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We can provide engineering-grade Slotted Head Knurled Locating Pin solutions for new energy, automotive, and industrial automation projects, from collaborative structural design and material matching optimization to high-consistency mass production, to ensure the stability and consistency of assembly systems during long-term operation.
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