Manufacturer Part Number: P309M12F21440|Thread Type|FemaleThread Style|Fully ThreadedThread Size|#4-40Material|SteelOverall Length (Decimal Inch)|0.5000Overall Length (Inch)|1/2Overall Length (mm)|Width Across Flats (Decimal Inch)|0.1875Overall Length|0.5inWidth Across Flats (Inch)|3/16Outside Diameter (Decimal Inch - 4 Decimals)|Outside Diameter (mm)|Outside Diameter (Inch)|Square Length|Thread Depth|Thread Depth (Inch)|1/2Thread Depth (Decimal Inch)|Finish|Zinc-PlatedThread Depth (mm)|Square Size Tolerance|Length Tolerance|Standards|ASTM B633 Type 1; QQ-S-633Length Tolerance (mm)|Length Tolerance (Decimal Inch)|-0.0050 to 0.0050Body Length (Inch)|1/2Body Length|Body Length (Decimal Inch)|Tensile Strength (psi)|Body Shape|HexMinimum Material Thickness (Inch)|System Of Measurement|InchMaterial Grade|Grade 2Thread Length (Decimal Inch)|Thread Length (Inch)|Swage Outside Diameter (Decimal Inch)|Width Across Flats (mm)|Fastener Standard|ASTM B633 Type 1; QQ-S-633Minimum Material Thickness (Decimal Inch)|Finish Coating|Zinc-Plated Clear ChromateSwage Length (Decimal Inch)|Thread Length (mm)|Fastening Method|Product Service Code|UNSPSC Code|