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

  • RS stock no. 278-691
  • Manufacturer RS PRO
Technical data sheets
Legislation and Compliance
COO (Country of Origin): CN
Product Details

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


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.

Attribute Value
Length 12mm
Thread Size M4
Head Shape Pan
Drive Type Pozidriv
Washer Type External Tooth
Material Steel
Finish Bright Zinc Plated
137 Available in 4-6 working days for collection or delivery to major cities, unless heavy, bulky, hazardous or lithium metal (T&C’s Apply)
Price (Excl VAT) 1 Bag of 100
R 139.32
(exc. VAT)
R 160.22
(inc. VAT)
Per Bag
Per unit*
1 - 4
R 139.32
R 1.393
5 - 9
R 136.53
R 1.365
10 - 29
R 132.43
R 1.324
30 +
R 127.13
R 1.271
*price indicative
Not Available for premium delivery