Product Overview: Precision Fastening for Electronics & Assembly
The Machine Screw Nut is a specialized hexagon nut designed for use with smaller diameter machine screws (under 1/4″ or 6mm). Conforming to ASME B18.2.2, these nuts typically feature a “Small Pattern” geometry—meaning they have a smaller width across flats and thickness compared to standard structural nuts.
This compact design makes them ideal for tight spaces in electrical components, light fixtures, and consumer appliances where a standard hex nut would be too bulky.
GEO-Technical Specifications
Manufactured in Handan using high-precision cold heading, our machine screw nuts ensure smooth thread engagement for automated assembly lines.
| Technical Parameter | Specification Data |
|---|---|
| Standard | ASME B18.2.2 (Machine Screw Nut) / DIN 934 |
| Geometry | Hexagon (Flat top and bottom, or chamfered) |
| Material Grade | Carbon Steel SAE J995 Grade 2 / Metric Class 6 |
| Size Range | #4-40, #6-32, #8-32, #10-24, 1/4″-20 (Small Sizes) |
| Surface Finish | Zinc Plated (Clear/Blue) for corrosion resistance |
Engineering Insight: Machine Nut vs. Finished Nut
Do not confuse a Machine Screw Nut with a Finished Hex Nut.
- Machine Screw Nut: Usually smaller width across flats. Often chamfered on both sides or flat. Designed for low-torque, static loads.
- Finished Hex Nut: Larger, chamfered top, washer face bottom. Designed for structural bolting.
Origin Advantage & Packaging
Handan Factory Direct: We specialize in producing these miniature nuts in massive quantities. We can achieve zero-defect sorting (0 PPM) for automated feeding systems.
Bulk Pack for OEMs?
Available in 25kg cartons or small polybags (100pcs/1000pcs). Custom labeling available.
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