Machine Screws​

Gilbert Laurence Machine Screw
A fastening device similar to a bolt but features a recess on the top of its head which allows it to be turned with a screwdriver.

  • Normally furnished with a Pozi, Slotted or Torx drive.
  • Thread size can be determined by measureing the diameter of the thread
  • Thread lengh can be determined by measureing the thread from under the head - Unless its countersunk in which case it is measured from the top of the head to the bottom of the thread.

Head Style

A visal guide can be found here

Pan
Countersunk
Raised Countersunk
Round/Mushroom (imperial sizes)
Cheese 

Share this page

Finish & Material

Size

Thread

Available in most standard metric and unified threads - Standard thread charts can be found here
Zinc
Self Colour 
Black Zinc
Geomat
Stainless A2-A4
Galvanised
Aluminuim 
Titiamum
Steel 8.8
​Brass
Available in most standard metric and imprials sizes - Standard sizecharts can be found here

Over 40 Years of Experiance

Next Day Delivery 

Free Support & Advice

Huge Range of Stock