Bulk M12 Button Head Socket Cap Screws – 12.9 Alloy Steel, Black Oxide Size_#12-24 * String Lock Blocks didn't

* String Lock Blocks didn't meet the quality standards we were looking for

9 black alloy steel and treated with a thermal black oxide finish

streamlining assembly

and structural assemblies requiring maximum strength and precision alignment

Pair these 3/8-24 bolts with complementary USA-made hardware:

Bulk M12 Button Head Socket Cap Screws – 12.9 Alloy Steel, Black Oxide Size_#12-24 * String Lock Blocks didn'tMonster Overview: Power through the toughest builds with M12 Button Head Socket Cap Screws from Monster Bolts. Engineered from Class 12. 9 black alloy steel and finished in thermal black oxide, these heavy duty fasteners provide outstanding tensile strength and a clean, low glare appearance. The button head profile offers a smooth, rounded top with broad load distributionideal for structural assemblies, fixtures, and machine applications where both