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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