TSI Flow Products manufactures Studs for 6B Studded Flange Connections with "RX" Gaskets in sizes 2-1/16" through 20-3/4". TSI supplies studs and nuts per API 6A 21st Edition and API 20E 2nd Edition BSL 1. Contact your local TSI sales rep today.

studs for 6B with RX Gaskets
FlangePressureStudTap EndNut EndOverall
SizeRating (PSI)DiameterLengthLengthLength
2-1/16" 2000 0.625 0.761 1.563 3.625
2-1/16" 3000 0.875 1.042 2.188 4.625
2-1/16" 5000 0.875 1.042 2.188 4.625
2-9/16" 2000 0.750 0.900 1.875 4.000
2-9/16" 3000 1.000 1.188 2.500 5.125
2-9/16" 5000 1.000 1.188 2.500 5.125
3-1/8" 2000 0.750 0.900 1.875 4.125
3-1/8" 3000 0.875 1.042 2.188 4.625
3-1/8" 5000 1.125 1.313 2.813 5.625
4-1/16" 2000 0.875 1.042 2.188 4.625
4-1/16" 3000 1.125 1.313 2.813 5.500
4-1/16" 5000 1.250 1.438 3.125 6.125
5-1/8" 2000 1.000 1.188 2.500 5.250
5-1/8" 3000 1.250 1.438 3.125 6.000
5-1/8" 5000 1.500 1.688 3.750 7.375
7-1/16" 2000 1.000 1.188 2.500 5.375
7-1/16" 3000 1.125 1.313 2.813 5.875
7-1/16" 5000 1.375 1.563 3.438 7.500
9" 2000 1.125 1.313 2.813 5.875
9" 3000 1.375 1.563 3.438 6.750
9" 5000 1.625 1.813 4.063 8.500
11" 2000 1.250 1.438 3.125 6.500
11" 3000 1.375 1.563 3.438 7.000
11" 5000 1.875 2.063 4.688 9.625
13-5/8" 2000 1.250 1.438 3.125 6.625
13-5/8" 3000 1.375 1.563 3.438 7.375
16-3/4" 2000 1.500 1.688 3.750 7.500
16-3/4" 3000 1.625 1.813 4.063 8.375
21-1/4" 2000 1.625 1.813 4.063 8.375
20-3/4" 3000 2.000 2.188 5.000 10.125