80/20® 5/16-18 x .625 Button Head Socket Cap Screw w/Washer & Roll-In T-Nut, Black Zinc

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

3482 is comprised of: 1/4-20 x .625" Button Head Socket Cap Screw (BHSCS) 1/4-20 Slide-in Economy T-Nut - Centered Thread .286" ID Washer

Features: 1/4-20 x .375" Flanged Button Head Socket Cap Screw (FBHSCS) 1/4-20 Roll-In T-Nut with Flex Handle

3826 is comprised of: M6 x 16.00mm Button Head Socket Cap Screw (BHSCS) M6 Slide-in Economy T-Nut - Centered Thread .256" ID Washer

3849 is comprised of: M6 x 12.00mm Socket Head Cap Screw (SHCS) M6 Roll-In T-Nut with Flex Handle .256" ID Washer