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Bolt-Up Charts for Flanges

FASTENERS
BOLT-UP CHARTS FOR FLANGES

          
HEX HEAD CAP SCREWS

Stainless, Brass

Thread Length
Up to and including 6" long: twice the diameter plus 1/4";
over 6" long: twice the diameter plus 1/2";
all hex caps may have an additional 1/4" to 3/8" ******,
particularly up to 1-1/2" and long lengths over 4".

Dia.                 HEX HEAD CAP SCREWS FINISHED
                       (POUNDS PER 100 PIECES)
Length 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1"
3/8" 1.23 2.03 - - - - - - -
1/2" 1.36 2.24 3.36 - - - - - -
5/8" 1.49 2.45 3.66 - - - - - -
3/4" 1.62 2.66 3.97 5.60 8.44 - - - -
7/8" 1.75 2.87 4.28 6.02 8.99 - - - -
1" 1.92 3.08 4.59 6.44 9.55 15.71 23.94 - -
1 1/4" 2.26 3.62 5.28 7.28 10.66 17.48 26.52 - -
1 1/2" 2.61 4.16 6.06 8.34 11.92 19.24 29.11 41.46 59.21
1 3/4" 2.96 4.69 6.84 9.40 13.29 21.20 31.70 45.01 63.86
2" 3.30 5.23 7.61 10.45 14.67 23.35 34.54 48.56 68.51
2 1/4" 3.64 5.77 8.38 11.51 16.05 25.50 37.64 52.44 73.16
2 1/2" 3.99 6.30 9.16 12.56 17.42 27.65 40.74 56.66 78.24
2 3/4" 4.34 6.84 9.94 13.61 18.80 29.80 43.84 60.89 83.76
3" 4.68 7.38 10.71 14.67 20.18 31.95 46.94 65.11 89.28
3 1/4" 5.02 7.92 11.48 15.73 21.56 34.10 50.04 69.33 94.80
3 1/2" 5.37 8.46 12.26 16.78 22.94 36.25 53.14 73.56 100.32
3 3/4" 5.72 8.99 13.04 17.83 24.31 38.40 56.24 77.78 105.84
4" 6.06 9.53 13.81 18.89 25.69 40.55 59.34 82.00 111.35
4 1/4" 6.41 10.07 14.59 19.95 27.07 42.70 62.44 86.22 116.84
4 1/2" 6.75 10.60 15.36 21.00 28.44 44.85 65.54 90.44 122.33
4 3/4" 7.10 11.14 16.14 22.06 29.82 47.00 68.64 94.66 127.82
5" 7.44 11.68 16.91 23.11 31.20 49.15 71.74 98.89 133.42
5 1/4" 7.79 12.22 17.69 24.17 32.58 51.30 74.84 103.12 138.94
5 1/2" 8.13 12.76 18.46 25.22 33.96 53.45 77.94 107.34 144.46
5 3/4" 8.48 13.30 19.24 26.28 35.34 55.60 81.04 111.57 149.98
6" 8.82 13.84 20.01 27.33 36.71 57.75 84.14 115.78 155.49
6 1/2" - - - - 39.47 62.05 90.34 124.22 166.52
7" - - - - 42.23 66.35 96.54 132.66 177.55
7 1/2" - - - - 44.99 70.65 102.74 141.10 188.58
8" - - - - 47.75 74.95 108.94 149.54 199.61
















































*SIZES SHOWN ARE APPROXIMATE AND MAY VARY


FASTENERS
BOLT-UP CHARTS FOR FLANGES


NPS CLASS 150 FLANGES
N¡ã OF BOLTS DIA OF BOLTS (inches) LENGTH
STUD BOLTS
.0625" RAISED FACE		 STUD BOLTS RING JOINT HEX BOLTS .0625" RAISED FACE
1/2 4 1/2 2.50 - 2.00
3/4 4 1/2 2.50 - 2.25
1 4 1/2 2.75 3.25 2.25
1 1/4 4 1/2 2.75 3.25 2.50
1 1/2 4 1/2 3.00 3.50 2.50
2 4 5/8 3.25 3.75 2.75
2 1/2 4 5/8 3.50 4.00 3.00
3 4 5/8 3.75 4.25 3.25
3 1/2 8 5/8 3.75 4.25 3.25
4 8 5/8 3.75 4.25 3.25
5 8 3/4 4.00 4.50 3.25
6 8 3/4 4.00 4.50 3.50
8 8 3/4 4.25 4.75 3.75
10 12 7/8 4.75 5.25 4.00
12 12 7/8 4.75 5.25 4.25
14 12 1 5.25 4.75 4.50
16 16 1 5.50 6.00 4.75
18 16 1 1/8 6.00 6.50 5.00
20 20 1 1/8 6.25 6.75 5.50
24 20 1 1/4 7.00 7.50 6.00

NPS CLASS 300 FLANGES
N¡ã OF BOLTS DIA OF BOLTS (inches) LENGTH
STUD BOLTS
.0625" RAISED FACE		 STUD BOLTS RING JOINT HEX BOLTS .0625" RAISED FACE
1/2 4 1/2 2.75 3.00 2.25
3/4 4 5/8 3.00 3.50 2.50
1 4 5/8 3.25 3.75 2.75
1 1/4 4 5/8 3.25 3.75 2.75
1 1/2 4 3/4 3.75 4.25 3.00
2 8 5/8 3.50 4.25 3.00
2 1/2 8 3/4 4.00 4.75 3.50
3 8 3/4 4.25 5.00 3.75
3 1/2 8 3/4 4.50 5.25 3.75
4 8 3/4 4.50 5.25 4.00
5 8 3/4 4.75 5.50 4.25
6 12 3/4 5.00 5.75 4.25
8 12 7/8 5.50 6.25 4.75
10 16 1 6.25 7.00 5.50
12 16 1 1/8 6.75 7.50 6.00
14 20 1 1/8 7.00 7.75 6.25
16 20 1 1/4 7.50 8.25 6.50
18 24 1 1/4 7.75 8.50 6.75
20 24 1 1/4 8.25 9.00 7.25
24 24 1 1/2 9.25 10.25 8.00








































NPS CLASS 600 FLANGES
N¡ã OF BOLTS DIA OF BOLTS (inches) LENGTH OF STUD BOLTS
.250" RAISED FACE RING JOINT
1/2 4 1/2 3.25 3.00
3/4 4 5/8 3.50 3.50
1 4 5/8 3.75 3.75
1 1/4 4 5/8 4.00 4.00
1 1/2 4 3/4 4.25 4.25
2 8 5/8 4.25 4.50
2 1/2 8 3/4 4.75 5.00
3 8 3/4 5.00 5.25
3 1/2 8 7/8 5.50 5.75
4 8 7/8 5.75 6.00
5 8 1 6.50 6.75
6 12 1 6.75 7.00
8 12 1 1/8 7.75 8.00
10 16 1 1/4 8.50 8.75
12 20 1 1/4 8.75 9.00
14 20 1 3/8 9.25 9.50
16 20 1 1/2 10.00 10.25
18 20 1 5/8 10.75 11.00
20 24 1 5/8 11.50 11.75
24 24 1 7/8 13.00 13.25


• Length of Stud Bolt is measured 1st ****** to 1st ******.
                 
• Bolt sizes are in inches.

• Quality products at competitive prices working to your advantage •

*SIZES SHOWN ARE APPROXIMATE AND MAY VARY

NPS CLASS 900 FLANGES
N¡ã OF BOLTS DIA OF BOLTS (inches) LENGTH OF STUD BOLTS
.250" RAISED FACE RING JOINT
1/2 4 3/4 4.25 4.25
3/4 4 3/4 4.50 4.50
1 4 7/8 5.00 5.00
1 1/4 4 7/8 5.00 5.00
1 1/2 4 1 5.50 5.50
2 8 7/8 5.75 5.75
2 1/2 8 1 6.25 6.25
3 8 7/8 5.75 6.00
4 8 1 1/8 6.75 7.00
5 8 1 1/4 7.50 7.75
6 12 1 1/8 7.75 8.00
8 12 1 3/8 8.75 9.00
10 16 1 3/8 9.25 9.50
12 20 1 3/8 10.00 10.25
14 20 1 1/2 10.75 11.25
16 20 1 5/8 11.25 11.75
18 20 1 7/8 12.75 13.50
20 20 2 13.50 14.25
24 20 2 1/2 17.25 18.00
   
NPS CLASS 1500 FLANGES
N¡ã OF BOLTS DIA OF BOLTS (inches) LENGTH OF STUD BOLTS
.250" RAISED FACE RING JOINT
1/2 4 3/4 4.25 4.25
3/4 4 3/4 4.50 4.50
1 4 7/8 5.00 5.00
1 1/4 4 7/8 5.00 5.00
1 1/2 4 1 5.50 5.50
2 8 7/8 5.75 5.75
2 1/2 8 1 6.25 6.25
3 8 1 1/8 7.00 7.00
4 8 1 1/4 7.75 7.75
5 8 1 1/2 9.75 9.75
6 12 1 3/8 10.25 10.50
8 12 1 5/8 11.50 12.00
10 12 1 7/8 13.25 13.75
12 16 2 14.75 15.50
14 16 2 1/4 16.00 17.00
16 16 2 1/2 17.50 18.50
18 16 2 3/4 19.50 20.50
20 16 3 21.50 22.50
24 16 3 1/2 24.50 25.75

NPS CLASS 2500 FLANGES
N¡ã OF BOLTS DIA OF BOLTS (inches) LENGTH OF STUD BOLTS
.250" RAISED FACE RING JOINT
1/2 4 3/4 5.25 5.25
3/4 4 3/4 5.25 5.25
1 4 7/8 5.75 5.75
1 1/4 4 1 6.25 6.50
1 1/2 4 1 1/8 7.00 7.25
2 8 1 7.25 7.50
2 1/2 8 1 1/8 8.00 8.25
3 8 1 1/4 9.00 9.25
4 8 1 1/2 10.25 10.75
5 8 1 3/4 12.00 12.75
6 8 2 13.75 14.50
8 12 2 15.25 16.00
10 12 2 1/2 19.50 20.50
12 12 2 3/4 21.50 22.50






























             *SIZES SHOWN ARE APPROXIMATE AND MAY VARY