Size Range
: 1.60mm to 9.00mm
Packing
: 100kgs to 500kgs per coil
Application
: Collated Nails/Connecting Screws/DryWall Screws/Self-Taping Screws and all types of fasteners
Hard Drawn Cold Heading Wire
Type symbol
Division of wire
Tensile strength
Reduction of
Informative Reference
diameter (mm)
N/mm²
area %
Elongation (1) %
Hardness HRB
SWCH 6R
SWCH 8R
Up to and incl .3
540 min.
45 min.
-
-
SWCH 10R
Over 3, up to and
440 min.
45 min.
-
-
incl. 4
SWCH 6A
Over 4, up to and
390 min.
45 min.
-
-
incl. 5
SWCH 8A
Over 5
340 min.
45 min.
11 min.
85 max.
SWCH 10A
SWCH 16A
Up to and incl .3
690 min.
45 min.
-
-
SWCH 18A
Over 3, up to and
590 min.
45 min.
-
-
incl. 4
SWCH 20A
Over 4, up to and
490 min.
45 min.
-
-
incl. 5
SWCH 15K
Over 5
410 min.
45 min.
8 min.
92 max.
SWCH 19A
SWCH 16K
3 and over, up to
640 min.
45 min.
-
-
and incl. 4
SWCH 17K
Over 4, up to and
540 min.
45 min.
-
-
incl. 5
SWCH 18K
Over 5, up to and
440 min.
45 min.
7 min.
95 max.
incl. 30
SWCH 20K
SWCH 22A
3 and over, up
690 min.
45 min.
-
-
to and incl. 4
SWCH 22K
Over 4, up to and
570 min.
45 min.
-
-
incl. 5
SWCH 25K
Over 5
470 min.
45 min.
6 min.
98 max.
Anneal Drawn Cold Heading Wire
Type symbol
Tensile strength
Reduction of
Informative Reference
N/mm2
area %
Elongation (1) %
Hardness HRB
SWCH 6R/8R/10R
290 min.
55 min.
15 min.
80 max.
SWCH 6A/8A/10A
SWCH 12R/15R
SWCH 12A/15A
340 min.
55 min.
14 min.
83 max.
SWCH 10K/12K
SWCH 17R
SWCH 16A/18A/20A
370 min.
55 min.
13 min.
85 max.
SWCH 15K
SWCH 19A
SWCH 16K/17K
410 min.
55 min.
13 min.
86 max.
SWCH 18K/20K
SWCH 22A
SWCH 22K/25K
440 min.
55 min.
12 min.
88 max.
SWCH 24K/27K
470 min.
55 min.
12 min.
92 max.
SWCH 30K/33K/35K
620 max.
55 min.
12 min.
92 max.
SWCH 38K/40K/43K
670 max.
55 min.
11 min.
94 max.
SWCH 41K/45K
710 max.
55 min.
10 min.
97 max.
SWCH 48K/50K
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