80/20® Socket Head Cap Screw with Washer and Economy T-Nut, Stainless Steel, 5/16-18 X 1"

3445 is comprised of: 5/16-18 x 1.000" Button Head Socket Cap Screw (BHSCS) 5/16-18 Roll-In T-Nut with Flex Handle 0.349" ID Washer

3878 is comprised of: M8 x 16.00mm Socket Head Cap Screw (SHCS) M8 Roll-In T-Nut with Flex Handle .335" ID Washer

3856 is comprised of: M6 x 16.00mm Socket Head Cap Screw (SHCS) M6 Roll-In T-Nut with Flex Handle .256" ID Washer

3618 is comprised of: 5/16-18 x .625" Button Head Socket Cap Screw (BHSCS) 5/16-18 Roll-In T-Nut with Flex Handle .345" ID Washer

3473 is comprised of: 5/16-18 x 1.000" Socket Head Cap Screw (SHCS) 5/16-18 Hex Nut .349" ID Washer