High-Quality Screw Knurled Captiv - Trusted Supplier
I supply screw knurled captiv designed to lock components with reliable grip and effortless assembly. My team focuses on High-Quality standards and you can count on us as a preferred Supplier for OEMs and contract manufacturers. Each piece features a knurled head for enhanced torque transfer, precise thread engagement, and durable alloy options to resist wear in tough environments. We offer a range of finishes, materials, and sizes to match your exact specs, plus fast lead times and scalable production. When you choose us, you get consistent tolerances, surface finishes and quality checks at every stage. I understand your need for predictable sourcing and minimal downtime, so I tailor solutions to fit your line efficiency and procurement policies. If you need sample qualifications or technical datasheets, I’ll share them promptly. This is how I help your team keep assemblies secure and operations lean with screw knurled captiv from a trusted Supplier.
screw knurled captiv Exceeds Industry Benchmarks Factory-Direct Excellence
Knurled captive screws offer secure retention with an ergonomic grip, speeding assembly and reducing errors. For global buyers, factory-direct supply shortens timelines from design to production and delivers consistent parts that stay put under vibration. Knurling enables hand-tightening without tools, while the captive feature prevents lost fasteners. They come in stainless steel, zinc-plated steel, or brass, with metric and inch threads and options for self-locking, lengths, and head styles for electronics enclosures and control panels. A factory-direct partner means less variance, traceable quality, and scalable regional support. Seek tight tolerances, inspection data, and RoHS/REACH compliance, plus packaging for automation. Capable suppliers offer short lead times, flexible MOQs, and finishes like passivation, electropolish, or black oxide. Standardizing on a few knurled captive screw families reduces SKUs and accelerates new programs, while maintaining performance and uptime.
| Metric | Description | Value | Unit | Industry Benchmark |
|---|---|---|---|---|
| Material Grade | Material grade used for knurled captive screws | AISI 4140 Alloy Steel | Grade | Industry Avg: tensile strength 900–1000 MPa after through-hardening |
| Knurl Depth | Depth of knurl pattern on the head area | 0.45 | mm | Typical range: 0.40–0.60 mm |
| Knurl Pitch | Distance between knurl peaks | 1.40 | mm | Common standard: 1.25–1.50 mm |
| Surface Roughness Ra | Average surface roughness after finishing | 0.6 | µm | ≤1.0 µm |
| Dimensional Tolerance | Overall dimensional tolerance | ±0.05 | mm | ±0.08 mm |
| Tensile Strength | Ultimate tensile strength after heat treatment | 980 | MPa | 850–1000 MPa |
| Hardness | Rockwell hardness (HRC) after treatment | 32 | HRC | 28–34 HRC |
| Yield Strength | 0.2% offset yield strength | 680 | MPa | 520–700 MPa |
| Wear Resistance | Pin-on-disk cycles to failure under standard test | 120000 | cycles | ≈100000 cycles |
| Operating Temperature Range | Operational temperature range for the component | -50 to 150 | °C | -55 to 160°C typical |
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