Manufacturer Part Number: 1451M12F21-440|Thread Type|Male/FemaleThread Style|Thread Size|#4-40Material|SteelOverall Length (Decimal Inch)|1.1875Overall Length (Inch)|1-3/16Overall Length (mm)|Width Across Flats (Decimal Inch)|0.2500Overall Length|1.1875inWidth Across Flats (Inch)|1/4Outside Diameter (Decimal Inch - 4 Decimals)|Outside Diameter (mm)|Outside Diameter (Inch)|Square Length|Thread Depth|Thread Depth (Inch)|1/4Thread 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)|-0.005 to 0.005Body Length (Inch)|1Body Length|Body Length (Decimal Inch)|1.0000Tensile Strength (psi)|Body Shape|HexMinimum Material Thickness (Inch)|System Of Measurement|InchMaterial Grade|Grade 2Thread Length (Decimal Inch)|Thread Length (Inch)|3/16Swage Outside Diameter (Decimal Inch)|Width Across Flats (mm)|Fastener Standard|ASTM B633 Type 1; QQ-S-633Minimum Material Thickness (Decimal Inch)|Finish Coating|Zinc-PlatedSwage Length (Decimal Inch)|Thread Length (mm)|Fastening Method|Product Service Code|UNSPSC Code|