Electro Hardware - #4-40, 13/16" OAL, 1/4" Across Flats, Steel Hex Male/Female Circuit Board Standoffs - 1/4" Thread Depth, 5/8" Body Length, Zinc-Plated Clear Chromate Finish
Item #: 67733725
Brand: Electro Hardware
Model #: 1439M12F21-440
Exact Tooling IR#: 04
Features and Benefits
Circuit board standoffs with male/female threads have one externally threaded end and one internally threaded end. The female end accepts male fasteners or other standoffs.
Steel is strong and durable but less corrosion resistant than stainless steel. To improve its resistance to corrosion, it may receive additional finishes and coatings.
| Product Specifications | |
|---|---|
| Thread Type | Male/Female |
| Material | Steel |
| System of Measurement | Inch |
| Body Shape | Hex |
| Overall Length (Inch) | 13/16 |
| Overall Length (Decimal Inch) | 0.8125 |
| Thread Size | #4-40 |
| Width Across Flats (Decimal Inch) | 0.2500 |
| Width Across Flats (Inch) | 1/4 |
| Finish/Coating | Zinc-Plated Clear Chromate |
| Body Length (Inch) | 5/8 |
| Body Length (Decimal Inch) | 0.6250 |
| Thread Length (Inch) | 3/16 |
| Thread Depth (Inch) | 1/4 |
| Length Tolerance (Decimal Inch) | -0.005 to 0.005 |
| Material Grade | Grade 2 |
| Fastener Standard | ASTM B633 Type 1; QQ-S-633 |
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