Fastener Finish K Factors |
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As received steel |
0.18 |
GEOBLACK® 147 |
0.15 |
Magni 575 |
0.13 |
Black Oxide |
0.20 |
GEOBLACK® ML |
0.16 |
Magni 590 |
0.11 |
Cadmium plated nuts and bolts |
0.19 |
GEOMET® 500 A |
0.17 |
Magni 591 |
0.11 |
Copper based antiseize |
0.13 |
GEOMET® 500 B |
0.17 |
Magni 594 |
0.12 |
DACROBLACK® 107 |
0.14 |
GEOMET® 720 L |
0.15 |
Never-Seize Paste |
0.17 |
DACROBLACK® 127 |
0.15 |
GEOMET® 720 ML |
0.17 |
Phosphate & Oil |
0.18 |
DACROMET® 500 A |
0.19 |
GEOMET® L |
0.15 |
Plain |
0.20 |
DACROMET® 500 B |
0.19 |
GEOMET® MlL |
0.17 |
Rusty (exposed outdoors 2 wks) |
0.39 |
DACROMET® L |
0.15 |
GEOMET® P |
0.20 |
SermaGard (Aluminum particles in a ceramic binder) basecoat + wax |
0.23 |
DACROMET® ML |
0.17 |
GEOMET® XL |
0.09 |
Xylan 5230 (PTFE) |
0.12 |
DACROMET® P |
0.20 |
Graphite coatings |
0.19 |
Zinc & Black (cr6) |
0.22 |
DACROMET® XL |
0.09 |
Hot dip galvanized – clean and dry |
0.23 |
Zinc & Clear (cr6) |
0.22 |
Delta-Protekt KL 100 base coat with Delta VH 301 topcoat |
0.17 |
Machine Oil |
0.21 |
Zinc & Clear (cr6) & Waxed Locknut |
0.18 |
Delta-Protekt KL 100 base coat with Delta VH 302 topcoat |
0.19 |
Magni 510 |
0.15 |
Zinc & Olive (cr6) |
0.22 |
Delta-Protekt KL 100 base coat with Delta-Seal |
0.23 |
Magni 5111 |
0.15 |
Zinc & Yellow (cr6) |
0.22 |
Delta-Protekt KL 100 base coat with Delta-Seal GZ |
0.18 |
Magni 515 |
0.15 |
Zinc (mechanical) & Clear (cr6) |
0.35 |
GEOBLACK® 117 |
0.20 |
Magni 560 |
0.13 |
Zinc-Cobalt electroplated finish |
0.30 |
GEOBLACK® 137 |
0.17 |
Magni 565 |
0.13 |
Zinc-Nickel electroplated finish |
0.30 |
Note: Values determined using DIN 946. |
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