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Sydien 6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2" Shoulder Dia, 1-1/2" Shoulder Length, 3/8"-16 UNC Thread: Amazon.com: Industrial & Scientific
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Amazon.com: Shoulder Bolt - Shoulder Screws - Metric Class 12.9 - Thread: M6 - Shoulder Diameter: M8 - Shoulder Length: 20mm - Thermal Black Oxide Finish (Quantity: 25) - Socket Head : Industrial & Scientific
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