The Speedmaster PCE319.1004 is a 3/8"-16 UNC 12-point hex nut finished in black oxide for a clean, corrosion-resistant appearance. The 12-point design allows for easier socket engagement and greater torque application in tight spaces, making it a reliable fastener choice for a variety of automotive assembly and repair tasks.
The black oxide finish provides a sleek, low-glare look that complements performance engine bays and chassis builds. Whether you're replacing worn hardware or completing a custom build, this Speedmaster nut delivers consistent thread engagement on any standard 3/8"-16 UNC threaded application.
MPNPCE319.1004
UPC840136542421
