In this JELD-WEN Customer Care video, you'll learn how to replace a lock on a Casement Window.
How to Install Casement Window Locking Handle. Diecast locking handle and keeper with 1-1/2" hole centers. Holes are drilled countersunk for #10 flat head screws. Common on metal and wood framed windows. Material: Diecast, Color: Bronze. http://www.windowdoorparts.com/how-to-install-a-casement-window-locking-handle.html