TSI Flow Products manufactures Studs for 6B Studded Flange Connections with "R" 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 R Gaskets
FlangePressureStudTap EndNut EndOverall
SizeRating (PSI)DiameterLengthLengthLength
2-1/16" 2000 0.625 0.761 1.563 3.375
2-1/16" 3000 0.875 1.042 2.188 4.375
2-1/16" 5000 0.875 1.042 2.188 4.375
2-9/16" 2000 0.750 0.900 1.875 3.750
2-9/16" 3000 1.000 1.188 2.500 4.750
2-9/16" 5000 1.000 1.188 2.500 4.750
3-1/8" 2000 0.750 0.900 1.875 3.875
3-1/8" 3000 0.875 1.042 2.188 4.375
3-1/8" 5000 1.125 1.313 2.813 5.250
4-1/16" 2000 0.875 1.042 2.188 4.375
4-1/16" 3000 1.125 1.313 2.813 5.125
4-1/16" 5000 1.250 1.438 3.125 5.750
5-1/8" 2000 1.000 1.188 2.500 4.875
5-1/8" 3000 1.250 1.438 3.125 5.625
5-1/8" 5000 1.500 1.688 3.750 7.000
7-1/16" 2000 1.000 1.188 2.500 5.000
7-1/16" 3000 1.125 1.313 2.813 5.625
7-1/16" 5000 1.375 1.563 3.438 7.250
9" 2000 1.125 1.313 2.813 5.625
9" 3000 1.375 1.563 3.438 6.375
9" 5000 1.625 1.813 4.063 8.125
11" 2000 1.250 1.438 3.125 6.125
11" 3000 1.375 1.563 3.438 6.625
11" 5000 1.875 2.063 4.688 9.250
13-5/8" 2000 1.250 1.438 3.125 6.250
13-5/8" 3000 1.375 1.563 3.438 7.000
16-3/4" 2000 1.500 1.688 3.750 7.125
16-3/4" 3000 1.625 1.813 4.063 8.000
21-1/4" 2000 1.625 1.813 4.063 8.000
20-3/4" 3000 2.000 2.188 5.000 9.625