DOUBLE SEAM D IMENSIONS

Key

a = actual overlap

b = body hook butt ing (b/c * 100)

c = body hook butt ing (b/c * 100)

d = body hook length

e = countersink depth

f = seam length

g = end hook length

h = seam thickness

i = seam gap

Standard Dimensions

  csnk seamlength

seamthickness

bodyhook

e.h.length

e.c. b.w.thickness

overlap %bhp

standard seam                  

inches 0.124 0.115 0.0445 0.0825 0.0735 0.0080 0.0085 0.051 83

mm 3.14 2.90 1.13 2.09 1.86 0.20 0.21 1.29  

miniseam / euroseam                  

inches 0.126 0.102 0.0400 0.0755 0.0660 0.0070 0.0062 0.047 86

mm  3.20 2.59 1.01 1.91 1.67 0.18 0.16 1.19  

microseam                  

inches 0.081 0.058 0.0385 0.0385 0.0370 0.0062 0.0062 0.026 85

mm 2.05 1.46 0.97 0.97 0.93 0.16 0.16 0.66