1045 steel stepped weld-in threaded bosses for matching plate holes. 7/8-9 UNC-2B right-hand thread through. Bare machined and deburred. Sold as 100 identical pieces per pack; cart quantity 1 = 100 pieces.
Pilot OD 1.375 in (+.000/-.002); shoulder OD 1.625 in (+.000/-.005); shoulder thickness 1.000 in (+/-.003). Select nominal plate thickness. Pilot lengths: 1/8 in plate = 0.1150 in pilot; 3/16 in plate = 0.1775 in pilot; 1/4 in plate = 0.2400 in pilot; 3/8 in plate = 0.3650 in pilot; 1/2 in plate = 0.4900 in pilot; 3/4 in plate = 0.7400 in pilot. Pilot length tolerance +/-.003 in. Overall length = shoulder thickness + pilot length.
Finished mating hole diameter 1.380 to 1.385 in. Verify actual plate thickness and mating-hole fit. Nominal pilot setback .010 in. No assembly load rating assigned.
Manufacturing reference MMW-SWB-001 Rev A. Variant SKU matches the drawing part number. Price is per 100-piece pack.