Check the listing for details. #4-40 Set Screw Part # 40311. Condition: New. Listed at 4.65 USD. Questions? Message Us! If you are not sure this will fit your application please contact us with your model and ser #. We are not responsible for shipping on returns for wrong parts if you don't contact us first. #4-40 Set Screw Part # 40311 #4-40 Set Screw Part # 40311 Product Set Screw: #4-40, 1/4 Overall Length, Cup Point, Alloy Steel, Grade 8 Hex Drive, ASME/ANSI B18.3 & ASTM F912 Specifications Point Type Cup Drive Type Hex Thread Size (Inch) #4-40 Length (Inch) 1/4 Material Alloy Steel Thread Standard UNC Material Grade 8 Length Measurement Type Overall Length Fastener Standard ASME/ANSI B18.3; ASTM F912 Hex Key Size (Decimal Inch) 0.0500 Measurement Type Fractional Inch UNSPSC Code 31161505 Country of Origin Taiwan Shipping Shipping cost: Varies Delivery time:Ships within one business day. Payment We accept the following payment methods: PayPal Please contact us if you have any questions. Service If you are not sure this will fit your application please contact us with your model and ser #. We are not responsible for shipping on returns for wrong parts if you don't contact us first.