SR-200190 M4.2 X 20MM Hex Head Washer Screw, 16MM Washer

SR-200190 M4.2 x 20MM Hex Head Washer Screw with 16MM Washer is a phosphate-finished automotive tapping screw designed for compatible GM fastening applications. Featuring an M4.2-1.41 thread, 20 mm length, 16 mm washer head, and 7 mm hex drive, it provides a secure and convenient replacement for worn, damaged, or missing factory hardware.

DIRECTIONS:

Confirm the screw size and mounting location match the intended application before installation.
Align the panel, bracket, shield, or related component with the mounting point.
Insert the M4.2-1.41 x 20 mm hex head SEMS tapping screw through the aligned mounting hole.
Start the screw carefully to ensure proper alignment and thread engagement.
Tighten using the appropriate 7 mm hex socket until the washer is seated securely against the mounting surface.
Do not overtighten, as excessive force may damage the screw, mounting surface, or attached component.

OUTSTANDING FEATURES:

M4.2-1.41 x 20 mm tapping screw designed for compatible automotive fastening applications.
Hex head SEMS design combines the screw and washer for convenient installation.
16 mm (5/8″) washer head provides increased surface contact and helps distribute clamping force.
7 mm hex head allows convenient installation with a compatible socket or driver.
Phosphate finish provides a durable automotive-style surface.
Designed for compatible GM applications.
OEM reference numbers 11500434 and 11503892.
Useful replacement hardware for worn, damaged, corroded, or missing factory screws.
Ideal for dealerships, collision centers, body shops, service departments, and automotive repair facilities.
M4.2-1.41 thread size.
20 mm length.
16 mm washer diameter.
50 screws per package.