Sems Screws

What is a Sems Screw
A Sems Screw is a type of a fastener.
How do they work?
The screws are already pre-assembled with a free spinning lock washer, held in place by the diameter of the screw thread being wider than the hole of the washer.
Features and Benefits
• They come with different head types, washer styles, thread styles, plating types and materials.
• Easy to use, especially in difficult spaces.
• Increased efficiency and cost as already pre-assembled.
• No time wasted looking for lost components.
Where would you use one?
• Electrical Industry
• Automotive Industry
• Switch Gear Industry
• Commercial Use
• Construction Industry
• Workshops
• DIY Enthusiasts

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Description Price Length Thread Size Head Shape Drive Type Washer Type Material Finish
RS Stock No. 473-3596
Mfr. Part No.M4X15
£5.61
1 Box of 100
Box(es)
15mm M4 Hex Socket Cap - - Steel Black Oxide
RS Stock No. 693-4836
Mfr. Part No.P-4 3MC 4X10
£2.21
1 Bag of 50
Bag(s)
10mm M4 Pan Cross Plain Steel -
RS Stock No. 693-4808
Mfr. Part No.P-4 3MC 3X6
£1.66
1 Bag of 50
Bag(s)
6mm M3 Pan Cross Plain Steel -
RS Stock No. 693-4801
Mfr. Part No.P-4 3MC 3X8
£1.66
1 Bag of 50
Bag(s)
8mm M3 Pan Cross Plain Steel -
RS Stock No. 693-4675
Mfr. Part No.P-3 3MC 2X6
£1.84
1 Bag of 50
Bag(s)
6mm M2 Pan Cross Plain Steel -
RS Stock No. 693-4827
Mfr. Part No.P-4 3MC 4X8
£2.18
1 Bag of 50
Bag(s)
8mm M4 Pan Cross Plain Steel -
RS Stock No. 418-7842
Mfr. Part No.M4X12
£3.95
1 Bag of 50
Bag(s)
12mm M4 Pan Cross Plain Stainless Steel Plain
RS Stock No. 693-4735
Mfr. Part No.P-3 3MC 4X10
£2.21
1 Bag of 50
Bag(s)
10mm M4 Pan Cross Plain Steel -
RS Stock No. 693-4776
Mfr. Part No.P-4 3MC 2.5X6
£1.60
1 Bag of 50
Bag(s)
6mm M2.5 Pan Cross Plain Steel -
RS Stock No. 693-4805
Mfr. Part No.P-4 3MC 3X10
£1.66
1 Bag of 50
Bag(s)
10mm M3 Pan Cross Plain Steel -
RS Stock No. 693-4726
Mfr. Part No.P-3 3MC 4X8
£2.18
1 Bag of 50
Bag(s)
8mm M4 Pan Cross Plain Steel -
RS Stock No. 693-4693
Mfr. Part No.P-3 3MC 3X6
£1.66
1 Bag of 50
Bag(s)
6mm M3 Pan Cross Plain Steel -
RS Stock No. 418-7684
Mfr. Part No.M4X12
£3.95
1 Bag of 50
Bag(s)
12mm M4 Pan Cross Plain Stainless Steel Plain
RS Stock No. 473-3647
Mfr. Part No.M5X8
£8.39
1 Box of 100
Box(es)
8mm M5 Hex Socket Cap - - Steel Black Oxide
RS Stock No. 693-4697
Mfr. Part No.P-3 3MC 3X8
£1.66
1 Bag of 50
Bag(s)
8mm M3 Pan Cross Plain Steel -
RS Stock No. 693-4671
Mfr. Part No.P-3 3MC 2X4
£1.80
1 Bag of 50
Bag(s)
4mm M2 Pan Cross Plain Steel -
RS Stock No. 418-7864
Mfr. Part No.M5X8
£8.39
1 Bag of 50
Bag(s)
8mm M5 Pan Cross Plain Stainless Steel Plain
RS Stock No. 693-4684
Mfr. Part No.P-3 3MC 2X10
£1.83
1 Bag of 50
Bag(s)
10mm M2 Pan Cross Plain Steel -
RS Stock No. 418-7858
Mfr. Part No.M4X15
£4.30
1 Bag of 50
Bag(s)
15mm M4 Pan Cross Plain Stainless Steel Plain
RS Stock No. 693-4729
Mfr. Part No.P-3 3MC 3X20
£2.28
1 Bag of 50
Bag(s)
20mm M3 Pan Cross Plain Steel -