Fasteners Coatings:
Magni Market Name
Color
Salt Spray (per ASTM B117)
Typical Coating Thickness (microns)
Friction Characteristics (DIN946)
Chromium Content
Fasteners most commonly coated
Specifications
Silver/Gray
400 hrs
10 - 15
TBD
None
M6 and larger
GM 6111M
Bright Silver
1000 hrs
8 - 10 topcoat over 5 - 8 zinc/chromate
0.15 +/- 0.03*
None
M5 and larger
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Bright Silver
1000 hrs
12 - 20
0.15 +/- 0.03*
Yes
M5 and larger
WSS-M21P37-A3
Silver
240 - 480 hrs
15 - 20
0.15 +/- 0.03*
None
internally threaded parts (nuts) M6 and larger
GM7111M, PS7626, WSS-M21P37-A2, DX550041, TS 2-25-60 Class B, TMS-4518 Type II, F1137-00 Grade II
Black
240 hrs
15 - 25
0.15 +/- 0.03
Cr+3
M6 and larger
GM 7112M, WSS-M21P11-B4, WSS-M21P11-B6
Black
1000 hrs
8 - 10 topcoat over 5 - 8 zinc/chromate
TBD
Yes
M5 and larger
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Silver/Gray
1000 hrs
8 - 10 topcoat over 5 - 8 zinc/chromate
0.13 +/- 0.03*
Yes
M5 and larger & parts w/ minor forming
GM 7113M, WSS-M21P26-A2, PS 9295, 12469117, 646, ES-0288, YA00-76
Silver/Gray
1000 hrs
8 - 10 topcoat over 5 - 8 zinc/emc
0.13 +/- 0.03*
Yes
M5 and larger & parts w/ minor forming
Other specifications pending outside automotive
Silver/Gray
1000 hrs
12 - 20
0.13 +/- 0.03*
Yes
M6 and larger
GM 7114M, WSD-M21P11-B8, DX550010, 12469117, 646, CS 0059, TMS-4518 Type I
Silver/Gray
1000 hrs
8 - 10 topcoat over 5 - 8 zinc/hex chromate free passivate
0.13 +/- 0.03*
None
M5 and larger & parts w/ minor forming
GMW 4707, WSS-M21P40-A1/A2
Silver/Gray
1000 hrs
8 - 10 topcoat over 5 - 8 zinc/emc
0.13 +/- 0.03*
None
M5 and larger & parts w/ minor forming
Under review by automotive industry
Silver/Gray
1000 hrs
12 - 20
(0.11 +/- 0.02) (0.13 +/- 0.03) (0.15 +/- 0.03) (0.22 +/- 0.03) (0.26 +/- 0.03) *
None
M6 and larger
GMW3359, WSS-M21P37-A1, PS-10378, DX551801, TS 2-25-60 Class A, P91
Black
1000 hrs
12 - 20
.13 +/- .03*
None
M6 and larger
Under review by automotive industry
Clear
120 - 360 hrs
4- 5 clearcoat over 8 zinc/chromate
.13 +/- .03*
Yes
M5 and larger
GMW3044
Variety of Colors
1000 hrs
12 - 20
Not Applicable
None
Constant tension hose clamps
Pending
Silver
480 hrs
12 - 20
.11 +/- .03*
None
M6 and larger
GMW14C-PT, GMW00255-F, WSD-M21P13-B1, DBL9440, DBL8440, TL233C
Black
480 hrs
12 - 20
.11 +/- .03
None
M6 and larger
GMW14C-PT, GMW00255-F, DBL9440, DBL8440, TL233-C
Silver
1000 hrs
13 - 15 basecoat 6 - 8 topcoat
.14 +/- .03*
None
M8 and larger
DX551802
Variety Avaliable
1000 hrs
12.5 topcoat over 7.5 Minimum zinc/chromate
Not Applicable
Yes
construction fasteners and building screws
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* Coatings can be modified to meet different Friction Characteristics
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