M6 X 16mm 杯頭內六角止付螺絲 | 316 不鏽鋼 (250 顆/包)

Installed these on a marine hatch and the 316 stainless is already proving its worth against the salt air. The hex socket drive made it easy to torque them down in a cramped corner without stripping.

The hex socket drive made seating these into a tight pulley hub a breeze, even with limited swing room. The 316 stainless finish looks clean and shows no sign of surface rust after a few weeks in a damp shed.

Installed these set screws in a marine railing system and the 316 stainless holds up perfectly against salt spray. The hex socket drive lets me torque them down securely in tight corners without stripping.