GEARWRENCH Socket 1/2" Drive Standard 12pt MET 18mm ImpUNC 3/4x2.1/2 originally also known as British

originally also known as British Standard Pipe Fitting thread/BSPF which have a constant diameter

The deep-cut grooves of the stepped bit offer a clean drive and great cutting performance

koken 3/4"dr deep impact socket - 12 point - 19mm single item

From diameter 8–100 mm (

GEARWRENCH Socket 1/2" Drive Standard 12pt MET 18mm ImpUNC 3/4x2.1/2 originally also known as British1 2" Drive 12 Point Standard Metric Socket 18mm Off corner loading design reduces fastener rounding Chamfered opening to guide fastener into Socket Large hard stamped size identification Double line (SAE) and Knurled (Metric) ring to easily identify standard vs. Metric Sockets Full Polish chrome Finish cleans easily and resists corrosion UPC 099575807534 Foreign Trade Code 82042000 SAE Metric TORX Metric ASME specification B107. 5M Fastener size 18 mm