EZ Read Socket Head Cap Screw Torque Chart - Metric

Similar to the Hex screw the Socket head will have different torque ratings. Metric socket head cap screws are typical made with a 12.9 hardness rating. Their may be 10.9 socket head around but I could not find a reliable source for the torque values, some charts just use the 10.9 Bolt ratings.

Most of these values are from the Fastenall PDF on fasteners.

Dry vs. Lubricated bolt torque? Yes a big difference since you not counting the friction of a dry bolt thread as final torque. For ARP and other performance bolts check their specs with their specific type of lube as it will make a difference.

Get a good torque wrench! NOT some POS import for 5 bucks. You can get them in several types, Clicker (very common), Digital (sometimes also click), Beam Pointer (usually el-cheepos), Gauge, and slightly different style the angle torque types. Your application will determine which type you might like to use. For example head bolts I like the clicker style. For Inch/Lbs torque range I like the dial gauge.

Any bolt that is suspect or has been over torqued should be tossed out, especially if it's a 'mission critical' bolt, such as brake caliper, steering, bolt holding your over the edge of a building on a harness, etc.

Lastly it's important to have clean thread on both ends, so if you are putting head bolts into a block, good idea to run a tap to make sure threads are clean.

Need the EZ Read Cap Screws in INCH -  EZ Read Cap Screw Inch

Need the EZ Read Bolt Torque Chart? Click one of these -  EZ Read Inch or EZ Read Metric

Disclaimer - USE AT YOUR OWN RISK

Cap Screw Size	Metric Cap Screw - Recommended Torque in Ft/Lbs unless Noted (DIN 912)
	Grade 12.9
	Lube	Dry
M5 (In/Lbs)	68	91
M6 (In/Lbs)	116	156
M8	24	31
M10	47	62
M12	81	108
M14	130	173
M16	202	269
M18	279	372
M20	394	525

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Above - chart in HTML format (you can copy and past), Below is the same chart as a .GIF IMAGE which can also be saved