RS PRO M4 x 12mm Zinc Plated Steel Pan Head Sems Screw, External Tooth Washer

External Shakeproof Washer

RS Pro pan head sems screw made of stainless steel with bright zinc plating for corrosion resistance. This sems screw consists of a pan headed pozidriv screw with integral captive washer for easy and quick installation.

Features and Benefits

External shake proof washer Pan headed pozidriv screw
Bright zinc plated stainless steel construction
Easier and quicker to install than separate screws and washers

Note

All these are metric coarse thread. The fine thread pitch would normally start at M8 diameter.
Thread pitch as follows.
M3 x 0.5mm pitch.
M4 x 0.7mm pitch.
M5 x 0.8mm pitch.
M6 x 1.0mm pitch.