A 12351 Hex Washer Head SEMS Screw M6.3 x 20mm Black Poly GM 11505022 25-1000PCS
PREMIUM AUTOMOTIVE HEX WASHER HEAD SEMS SCREWSAuveco 12351 M6.3-1.81 x 20mm Hex Washer Head SEMS Screw with 17mm Washer – Black Polyseal Finish. Head Type: Hex Washer Head SEMS. High-quality automotive fastener designed for secure fastening of body panels, splash shields, trim components, and engine bay parts.
A 12066 M6-1.0 x 25mm Hex Head SEMS Bolt 24mm Washer OD GM 11503982, 25-1000PCS
PREMIUM AUTOMOTIVE HEX HEAD SEMS BODY BOLTSAuveco 12066 M6-1.0 x 25mm Hex Head SEMS Bolt with 24mm Washer OD – Phosphate Finish. Head Type: Hex SEMS. Length: 25mm. This bolt features aSEMS design (captive washer) that distributes load evenly and improves fastening strength while reducing loosening due to vibration.