Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Escapement Screw 12 mm by PERRIN Sale $8.30 | / SKU 73-5079 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Escapement Screw 12 mm a platform escapement screw for mounting. The screws have 1.80 mm threads and lengths of 12 mm.