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Thread
&
Pitch
H Max Min Sheet
Thickness
Hole Size in
Panel
+0.08 -0.0
D+/- 0.4 Min C/L to
edge of
panel
M2.5 x 0.45 1.95 1.0 2.5 4.1 5.4
M3 x 0.5
2.1 1.0 3.0 4.6 5.6
M3.5 x 0.6 2.2 1.0 3.5 5.3 6.4
M4 x 0.7 2.4 1.0 4.0 5.9 7.2
M5 x 0.8 2.7 1.0 5.0 6.5 7.2
M6 x 1.0 3.0 1.6 6.0 8.2 7.9
M8 x 1.25 3.7 2.4 8.0 9.6 9.6
 
Lengths
Thread Size Length (L) +/- 0.4
M2.5 x 6 8 10 12 15 - - - - - - - -
M3 6 8 10 12 15 18 20 - - - - - -
M3.5 x 6 8 10 12 15 18 20 22 - - - - -
M4 6 8 10 12 15 18 20 22 25 - - - -
M5 - 8 10 12 15 18 20 22 25 28 - - -
M6 - - 10 12 15 18 20 22 25 28 35 - -
M8 - - 10 12 15 18 20 22 25 28 30 35 38
 
Length (mm)
4 5 6 8 10 12 14 16 18 20 22
Blind Hole'G' Dimension 3 4 5 6.5 9.5
 
Materials Finishes
Carbon Steel
300 Series Stainless Steel (A2)
Aluminium (AL) (Special Order)
Bright Zinc / Clear Passivate (ZI)Zinc / Yellow Passivate (Special Order) (ZC)
Maximum hardness of parent material : Steel parts - 80HRB : Stainless Steel parts - 70HRB : Aluminium parts - 50HRB. Please note that Stainless Steel parts cannot usually be successfully installed into Stainless Steel Sheet. Part Number Examples
Type | Thread | Length | Finishi.e. : NFH-M3-10-ZI(Clinch Stud-M3x10mm-Steel-BZP)i.e. : NFH-M4-20-A2(Clinch Stud-M4x20mm-Stainless Steel)
 
 
Thread Size Panel Thickness D+ 0.08 C+ 0.1

M2.5
1.50mm panel thicknesses & below
2.53 3.1
1.51mm panel thicknesses & over Not Required
M3 1.5mm panel thicknesses & below

3.03

3.6
1.51mm panel thicknesses & over Not Required Not Required
M3.5 1.50mm panel thicknesses & below 3.53 4.1
1.51mm panel thicknesses & over Not Required
M4 1.50mm panel thicknesses & below 4.03 4.6
1.51mm panel thicknesses & over Not Required
M5 1.50mm panel thicknesses & below 5.03 5.6
1.51mm panel thicknesses & over Not Required
M6 1.50mm panel thicknesses & below 6.03 6.6
2.41mm panel thicknesses & over Not Required
M8 2.41mm panel thicknesses & over 8.03 Not Required