Offering A325 and A490 Hex Bolts, Tension Control Bolts, Structural Washers and Nuts
Tension Control Assemblies are DOMESTIC product manufactured to ASTM F1852 (A325) and ASTM F2280 (A490) standards in the United States. Each bolt is pre-assembled with an ASTM F436 Hardened Washer and Heavy Hex Nut. All lots are fully traceable and certified test reports are available for all parts. The mechanical properties, threads, and thread length of these bolts are the same as standard heavy hex structural bolts.
Applications: High Rise Construction, Bridge Building, Lighting Structures, Industrial and Utility Applications, Highway and Metal Fabricated Structures
CASE STUDY: Hex Bolts v. TC BOLTS
Summary: TC Bolts Offer $33,180
[Erection Period – Two months; 30,000 bolts]
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Cost of A325 Hex Bolt Installation
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Cost of A325 TC BOLT Installation
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Equipment and Tools:
1) Impact Wrench – 3 Sets
2) Tension Calibrator – 1 Set
3) Torque Wrench – 1 Set
4) Air Compressor – 1 Set
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Equipment and Tools:
1) Electric Wrench – 3 Sets
2) Tension Calibrator – 1 Set
3) Generator – 1 Set
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Labor Days:
1) 5 Man Group
2) 1,200 Bolts per Group per Day
3) 30,000 bolts/ 1,200 = 25 days to Erect
4) 5 men x 25 days = 125 labor days
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Labor Days:
1) 3 Man Group
2) 2,400 Bolts per Group per Day
3) 30,000 bolts/ 2,400 = 13 days to Erect
4) 3 men x 13 days = 39 labor days
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Inspection
1) Torque test for 5% of bolts installed
2) 250 bolts/ 2 inspectors per day
3) Two inspectors x 6 days = 12 labor days
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Inspection
1) Visual Inspection
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Direct Labor Costs
1) Assembly = $4,800.00
(30,000 bolts/ 250 x $40.00)
2) Bolt Fastening Labor Cost = $40,000.00
($40.00 x 8 hours x 125 labor days)
3) Inspection Cost = $5,760.00
($60.00 x 8 hours x 12 labor days)
Total Labor Costs = $50,560.00
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Direct Labor Costs
1) Assembly = $0.00
2) Bolt Fastening Labor Cost = $12,480.00
($40.00 x 8 hours x 39 labor days)
3) Inspection Cost = $0.00
Total Labor Costs = $12,480.00
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Parts
¾ x 2 ¼ (22,000 sets)
7/8 x 2 ½ (8,000 sets) = $19,400.00
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Parts
¾ x 2 ¼ (22,000 sets)
7/8 x 2 ½ (8,000 sets) = $24,300.00
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Total Cost = $69,960.00
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Total Cost = $36,780.00
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TC BOLTS: Standard Sizes, Weights and Keg Quantities
| Size |
Keg Qty |
Full Pallet: (9) Kegs
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CWT |
| 3/4 X 1-3/4 |
300 |
2,700 |
67 |
| 3/4 X 2 |
280 |
2,520 |
70 |
| 3/4 X 2-1/4 |
270 |
2,430 |
73 |
| 3/4 X 2-1/2 |
250 |
2,250 |
76 |
| 3/4 X 2-3/4 |
250 |
2,250 |
79 |
| 3/4 X 3 |
240 |
2,160 |
83 |
| 3/4 X 3-1/4 |
230 |
2,070 |
86 |
| 3/4 X 3-1/2 |
220 |
1,980 |
89 |
| 3/4 X 3-3/4 |
200 |
1,800 |
92 |
| 3/4 X 4 |
190 |
1,710 |
95 |
| 3/4 X 4-1/4 |
180 |
1,620 |
98 |
| 3/4 X 4-1/2 |
180 |
1,620 |
2 |
| 3/4 X 4-3/4 |
170 |
1,530 |
105 |
| 3/4 X 5 |
160 |
1,440 |
108 |
| 3/4 X 5-1/2 |
150 |
1,350 |
114 |
| 3/4 X 6 |
140 |
1,260 |
121 |
| 7/8 X 2 |
200 |
1,800 |
101 |
| 7/8 X 2-1/4 |
190 |
1,710 |
105 |
| 7/8 X 2-1/2 |
180 |
1,620 |
110 |
| 7/8 X 2-3/4 |
180 |
1,620 |
114 |
| 7/8 X 3 |
170 |
1,530 |
118 |
| 7/8 X 3-1/4 |
160 |
1,440 |
123 |
| 7/8 X 3-1/2 |
150 |
1,350 |
127 |
| 7/8 X 3-3/4 |
140 |
1,260 |
131 |
| 7/8 X 4 |
140 |
1,260 |
136 |
| 7/8 X 4-1/4 |
130 |
1,170 |
140 |
| 7/8 X 4-1/2 |
130 |
1,170 |
144 |
| 7/8 X 4-3/4 |
120 |
1,080 |
149 |
| 7/8 X 5 |
120 |
1,080 |
153 |
| 7/8 X 5-1/2 |
100 |
900 |
162 |
| 7/8 X 6 |
100 |
900 |
170 |
| 1 x 2-1/4 |
140 |
1,260 |
143 |
| 1 x 2-1/2 |
130 |
1,170 |
149 |
| 1 x 2-3/4 |
130 |
1,170 |
154 |
| 1 x 3 |
120 |
1,080 |
160 |
| 1 x 3-1/4 |
120 |
1,080 |
166 |
| 1 x 3-1/2 |
110 |
990 |
171 |
| 1 x 3-3/4 |
110 |
990 |
177 |
| 1 x 4 |
100 |
900 |
183 |
| 1 x 4-1/4 |
100 |
900 |
188 |
| 1 x 4-1/2 |
100 |
900 |
194 |
| 1 x 4-3/4 |
90 |
810 |
199 |
| 1 x 5 |
90 |
810 |
205 |
| 1 x 5-1/2 |
80 |
720 |
217 |
| 1 x 6 |
80 |
720 |
228 |
Also providing 5/8" Diameter Bolts
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