R-1/4 R1/4-20X1 R1/4-20X1 2701 R1/4-20X1/2 2701 R1/4-20X1-1/4 R1/4-20X1-1/4 2701 R1/4-20X1-1/8 R1/4-20X1-1/8 2701 R1/4-20X3/4 R1/4-20X3/4 2701