What type of screw to mount amplifier to back seats?

[B1GR3DDD]

Self explanitory. All the amps I've had before came with screws, however my new SQ-2200.2 did not. I imagine just a sheet metal screw or sorts, but your guy's opinions would help.

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[big scott]

use something like these.

but get wood screws if its going into wood.

or self tap screw if going into metal.

by using this type its more secure.

http://www.amazon.com/s/?ie=UTF8&keywords=tamper+resistant+screws&tag=googhydr-20&index=industrial&hvadid=44722700985&hvpos=1s2&hvexid=&hvnetw=g&hvrand=7848225079211120813&hvpone=&hvptwo=&hvqmt=b&hvdev=c&ref=pd_sl_3j1odyzqu8_b