Metric screws

Metric screws

Among all the products available on the market, the most common in Slovenia and around the world are metric screws. These are screws with a metric thread, whose dimensions are given in millimeters and whose thread angle is 60 degrees. Besides the classic metric screws, used in engineering, smaller metric screws, whose wrench size is smaller, are also a common sight (see tables below).

 

Wrench size for standard thread

Wrench size Metric thread Wrench size Metric thread
M 4 0,7 M 27 3
M 4,5 0,75 M 30 3,5
M 5 0,8 M 33 3,5
M 6 1 M 36 4
M 7 1 M 39 4
M 8 1,25 M 42 4,5
M 10 1,5 M 45 4,5
M 12 1,75 M 48 5
M 14 2 M 52 5
M 16 2 M 56 5,5
M 18 2,5 M 60 5,5
M 20 2,5 M 64 6
M 22 2,5 M 68 6
M 24 3    

 

Wrench size for fine thread

Wrench size Metric thread Wrench size Metric thread
M 4 0,5 M 22 1,5
M 5 0,5 M 24 1,5
M 6 0,75 M 24 2
M 8 0,75 M 27 1,5
M 8 1 M 30 1,5
M 10 0,75 M 30 2
M 10 1 M 33 1,5
M 12 1 M 36 1,5
M 12 1,25 M 36 2
M 14 1,5 M 39 1,5
M 16 1 M 42 1,5
M 16 1,5 M 42 2
M 18 1,5 M 48 1,5
M 20 1 M 48 2
M 20 1,5    

 

Metric screw shape, material and size

Our company offers metric screws made from the following materials:

  • iron (Fe)
  • copper (Cu)
  • brass (CuZn)
  • aluminum  (Al)
  • aluminum-magnesium (AlMg)
  • silver (Ag)

 

You can choose between different sizes. We are able to make screws with metric a thread in dimensions ranging from M2.5 to M6 and a length of up to 40mm.

 

Specialty screws

Because we, in Zakrajšek d.o.o., deal with the production of screws, axles, rivets and bolts to order, we can offer you, in addition to the metric screws of standard sizes, custom made screws, for example: screws with holes in the stem or different patterns on the head or below it.