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Hey all,

New running boards are coming today and I see in the install instructions (from web), it says to use anti-seize compound on all stainless steel fasteners.

Makes sense. Then, the parts list includes "black zinc" and "yellow zinc" parts. The instructions for the mounting kit says nothing like this. So, just a little confused if I should be using anything or not? Any advice appreciated.

320175
 

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use whatever anti seize you have on hand. I add anti seize to almost every thread when putting things back together. Hopefully it help with removal if the time arises again.
 

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Me? I locktite everything!
 

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A general rule I follow, that can differ for different materials and situations: Bolts size M5 and below, purple loctite. M6-M10, blue loctite. M12 and up, anti-seize. Be careful of manufacturer specifications with regards to torque, i.e. if they are calling for bolt lubrication or not, and also specifying torques. Torque values change depending on if you're using a lubricated or dry bolt.
 

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I do not think torque specs for the running boards are that critical.
 

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I do not think torque specs for the running boards are that critical.
I don't recall the torque spec, but do recall it was quite low.
 

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Seriously, a spot on a running board, aren't they meant to be stepped on or should a person take their dirty shoes off to enter the vehicle.........
 

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Seriously, a spot on a running board, aren't they meant to be stepped on or should a person take their dirty shoes off to enter the vehicle.........
Really? Its not a tiny spot. Its a large spot. And im simply suggesting being careful because it doesnt come off easy. Thanks for attempting to mock a harmless comment. Now
go away
 

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Lots of anti-seize when stainless on stainless. Also, most stainless is soft and bends easily.
What stainless are you buying? I'd suggest changing vendors.
 

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304 Stainless Steel, looks to be stronger than everything in the top of the chart til you get to 1040 cold drawn. Hardly what I'd consider soft.

Hardness, Brinell
123​
123​
Converted from Rockwell B hardness.​
Hardness, Knoop
138​
138​
Converted from Rockwell B hardness.​
Hardness, Rockwell B
70​
70​
Hardness, Vickers
129​
129​
Converted from Rockwell B hardness.​
Tensile Strength, Ultimate
73200 psi​
Tensile Strength, Yield
31200 psi​
at 0.2% offset​
Elongation at Break
70 %
70 %​
in 50 mm​
Modulus of Elasticity
193 - 200 GPa​
28000 - 29000 ksi​
Poisson's Ratio
0.29​
0.29​
Charpy Impact
240 ft-lb​
Shear Modulus
12500 ksi​

Carbon Steels.
Yield Strength, Tensile Strength and Ductility Values for Steels at Room Temperature
MaterialYield StrengthTensile Strength% Elong.
MPa (ksi)MPa (ksi)
Steel Alloy A36 - Hot rolled220 - 250 (32 - 36)400 - 500 (58 - 72.5)23
Steel Alloy 1020 - Hot rolled210 (30) (min)380 (55) (min)25 (min)
Steel Alloy 1020 - Cold drawn350 (51) (min)420 (61) (min)15 (min)
Steel Alloy 1020 - Annealed (@870 °C)295 (42.8)395 (57.3)36.5
Steel Alloy 1020 - Normalized (@925 °C)345 (50.3)440 (64)38.5
Steel Alloy 1040 - Hot rolled290 (42) (min)520 (76) (min)18 (min)
Steel Alloy 1040 - Cold drawn490 (71) (min)590 (85) (min)12 (min)
Steel Alloy 1040 - Annealed (@785 °C)355 (51.3)520 (75.3)30.2
Steel Alloy 1040 - Normalized (@900 °C)375 (54.3)590 (85)28.0
Steel Alloy 4140 - Annealed (@815 °C)417 (60.5)655 (95)25.7
Steel Alloy 4140 - Normalized (@870 °C)655 (95)1020 (148)17.7
Steel Alloy 4140 - Oil-quenched and tempered (@315 °C)1570 (228)1720 (250)11.5
Steel Alloy 4340 - Annealed (@810 °C)472 (68.5)745 (108)22
Steel Alloy 4340 - Normalized (@870 °C)862 (125)1280 (185.5)12.2
Steel Alloy 4340 - Oil-quenched and tempered (@315 °C)1620 (235)1760 (255)12
 

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I’ve cut a lot of different materials in my lifetime but I still cringe when thinking about cutting or bending SS with your typical home hand tools.. Neatly!
 
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