ASTM A307/ASTM A563 MATERIAL; 1-3/4 INCH; 1.75 LENGTH - DECIMAL; 1-3/4 LENGTH - FRACTIONAL; 1/2 INCH NOMINAL DIAMETER; UNC THREAD SERIES; 13 TPI; SAE J429 APPLICABLE STANDARD; 1/2 NOMINAL DIAMETER - FRACTIONAL; .5 NOMINAL DIAMETER - DECIMAL