What Is The Purpose Of A U Bolt?
U bolt can be defined as a bolt that is shaped in the form of a U. The curved bolt has threads on each of its sides. Since the bolt is curved it is a jack of all trades in the industry, especially for piping solutions. These bolts provide lateral restraint to equipment and prevent breakage. They allow for toxic affluents to be transported to pipeline systems by taking stress from the line.
What Is The Torque Specs For U-bolts?
The torque setting of U bolts is dependent based on their size and plating. The torque specs also depend on whether they are lubricated or cold formed. For a sizes 3/4 to 24 size grade, the max torque for plated material is 21 FT.lbs. Similarly, for un-plated material, the maximum torque is 26. As the size increases, the requirements of torque also starts going up.
How Do You Measure A Square U Bolt?
A square U bolt is measured from the end of the bolt to the interior of its bend. The width of the bolt is measured between the legs. In some cases, the width is detailed from the center of one of its legs to the other leg's center.
What Should Trailer Axle U-bolts Be Torqued To?
The U-Bolts need to be lubricated with oil to reduce nut friction. The bolts have to be tightened until they are snugged. The sequence has to be fastened to 1/3 as per recommendations. If a standard U-bolt is 9/16 inch diameter. The torque specs are between 65 to 95 foot lbs.
Table of Content
Stainless Steel U Bolt Specification
ISO standards | ISO 4032, ISO 7380, ISO 4017, JIS standards, ISO 4033 |
---|---|
DIN | DIN7985, DIN970, DIN931, DIN934, DIN7981, DIN913, DIN933, DIN6923, DIN912, B.S. DIN603, DIN916, DIN7982, |
UTS | UNEF, UNS, NPTF, UNC, NPT, UNF |
Tolerances | +/-0.01 - +/-0.05milimeter |
treatment on Surface |
|
Sizes | M6, M42, M4, M3, M12, M160 M48, M36, (M27), M16, M2, (M45), M33, M24, M10, (M14), (M18), M8, M30, (M22), M5, M20,and as per need |
Grades | A4-70, A2, A2-70, 18-8 4.8, A4, 8.8, A4-80,Stainless Steel, Studr Bolt |
Length | 3 - 200 milimeter |
Stainless Steel Threads: | UNC, UNF, BSW BSF, METRIC, or as per need |
Types | Hex Head/ Round/Oval/ Pan/Truss head |
Standards |
GB, ISO, BS, ANSI, JIS, IS, DIN, ASTMand all International Standards |
U Bolts
Stainless Steel U Bolt
Square U Bolts
3 Inch Trailer U Bolts
Stainless Steel U Bolts Lowes
Leaf Spring U Bolts
Heavy Duty Square U Bolts
304 U Screws
316 Stainless Steel Long U Bolts
Small U Bolts
Square Bend Ss U-bolts
Ss U-bolts
Rear Axle U Bolt
Galvanized Square U Bolts
Description | Price in India | Price in USD | Price in Euro | Price in Saudi Riyal | Price in Ringgit |
U BOLT WITH HEX NUT, 3/4 | ₹ 85/ PCS | $ 1.07 | € 1.05 | SAR 4.02 | RM 4.81 |
6 U BOLTS, 15MM DIA WITH NUT & 2 FLAT WASHER SET | ₹ 390/ KGS | $ 4.90 | € 4.83 | SAR 18.41 | RM 22.04 |
U-BOLT WITH NUT 1/2 X 4 GALVANIZED | ₹ 3,522/ KGS | $ 44.22 | € 43.55 | SAR 166.17 | RM 198.90 |
U-BOLTS WITH NUTS AISI 304-SIZE 12MM | ₹ 130/ PCS | $ 1.63 | € 1.61 | SAR 6.13 | RM 7.33 |
U-BOLTS WITH NUTS AISI 304-SIZE 6MM | ₹ 34/ PCS | $ 0.43 | € 0.42 | SAR 1.62 | RM 1.93 |
Pipe Size | Diameter | C (Hook) | L (Length) | T (Thread Length) |
---|---|---|---|---|
1/2 | 1/4 | 15/16 | 3 1/4 | 2 3/8 |
3/4 | 1/4 | 1 1/8 | 3 5/16 | 2 3/8 |
1 | 1/4 | 1 3/8 | 3 7/16 | 2 3/8 |
1 1/4 | 3/8 | 1 11/16 | 3 3/4 | 2 3/8 |
1 1/2 | 3/8 | 2 | 4 | 2 1/2 |
2 | 3/8 | 2 7/16 | 4 1/2 | 2 1/2 |
2 1/2 | 1/2 | 2 15/16 | 5 1/4 | 3 |
3 | 1/2 | 3 9/16 | 5 13/16 | 3 |
3 1/2 | 1/2 | 4 1/16 | 6 5/16 | 3 |
4 | 1/2 | 4 9/16 | 6 13/16 | 3 |
5 | 1/2 | 5 5/8 | 7 13/16 | 3 |
6 | 5/8 | 6 3/4 | 9 1/2 | 3 3/4 |
8 | 5/8 | 8 3/4 | 11 1/2 | 3 3/4 |
10 | 3/4 | 10 7/8 | 13 13/16 | 4 |
12 | 7/8 | 12 7/8 | 16 1/16 | 4 1/4 |
14 | 7/8 | 14 1/8 | 17 5/16 | 4 1/4 |
16 | 7/8 | 16 1/8 | 19 5/16 | 4 1/4 |
18 | 1 | 18 1/8 | 21 11/16 | 4 3/4 |
20 | 1 | 20 1/8 | 23 11/16 | 4 3/4 |
24 | 1 | 24 1/8 | 27 11/16 | 4 3/4 |
30 | 1 | 30 1/8 | 33 11/16 | 4 3/4 |
36 | 1 | 36 1/8 | 39 11/16 | 4 3/4 |
Nominal Pipe Size | Thread Size | Between Centres | Depth of U | Thread Length |
---|---|---|---|---|
1/2" | M6 | 28mm | 48mm | 30mm |
3/4" | M6 | 34mm | 53mm | 30mm |
1" | M6 | 41mm | 60mm | 30mm |
1.1/4" | M10 | 54mm | 67mm | 30mm |
1.1/2" | M10 | 60mm | 85mm | 35mm |
2" | M10 | 75mm | 95mm | 35mm |
2.1/2" | M12 | 90mm | 124mm | 55mm |
3" | M12 | 102mm | 126mm | 50mm |
4" | M12 | 131mm | 144.5mm | 50mm |
5" | M12 | 156mm | 182mm | 50mm |
6" | M12 | 182mm | 210mm | 50mm |
8" | M16 | 240mm | 252mm | 50mm |
10" | M16 | 292mm | 318mm | 50mm |
12" | M16 | 343mm | 363.6mm | 50mm |
Nominal Pipe Size | Thread Size | Between Centres | Depth of U | Thread Length |
1/2" | M6 | 27mm | 97mm | 75mm |
3/4" | M6 | 33mm | 103mm | 75mm |
1" | M6 | 40mm | 111mm | 75mm |
1.1/4" | M10 | 55mm | 122mm | 85mm |
1.1/2" | M10 | 61mm | 127mm | 85mm |
2" | M10 | 70mm | 140mm | 85mm |
2.1/2" | M10 | 86mm | 152mm | 85mm |
3" | M12 | 102mm | 168mm | 90mm |
4" | M12 | 126mm | 193mm | 90mm |
5" | M12 | 152mm | 213mm | 90mm |
6" | M12 | 182mm | 240mm | 90mm |
8" | M16 | 241mm | 298mm | 95mm |
10" | M16 | 293mm | 349mm | 95mm |
12" | M16 | 343mm | 387mm | 95mm |
Nominal Pipe Size | Thread Size | Between Centres | Depth of U | Thread Length |
1/2" | M8 | 30mm | 46mm | 25mm |
3/4" | M8 | 35mm | 56mm | 25mm |
1" | M8 | 45mm | 61mm | 25mm |
1.1/4" | M8 | 55mm | 71mm | 25mm |
1.1/2" | M10 | 60mm | 85mm | 35mm |
2" | M10 | 75mm | 95mm | 35mm |
2.1/2" | M12 | 90mm | 124mm | 45mm |
3" | M16 | 105mm | 142mm | 50mm |
4" | M16 | 135mm | 167mm | 50mm |
5" | M16 | 160mm | 192mm | 50mm |
6" | M20 | 190mm | 225mm | 55mm |
7" | M20 | 215mm | 250mm | 55mm |
8" | M20 | 245mm | 285mm | 55mm |
9" | M20 | 270mm | 300mm | 55mm |
10" | M20 | 300mm | 340mm | 60mm |
12" | M20 | 350mm | 390mm | 60mm |
14" | M24 | 385mm | 428mm | 65mm |
16" | M24 | 435mm | 488mm | 65mm |
18" | M24 | 485mm | 528mm | 70mm |
20" | M24 | 540mm | 588mm | 70mm |
22" | M24 | 590mm | 638mm | 70mm |
24" | M24 | 640mm | 688mm | 70mm |
A U-bolt is measured by four dimensions: the length, the hook, the diameter, and the thread length. In waterworks applications, you can refer to the chart below for the correct U-bolt size you will need for different pipe sizes.
Sizes | Maximum. Torque Ft. Lbs. Plated | Material Grade | Maximum. Torque Ft. Lbs. Unplated |
5/8 - 18 | 132 | 8 | 177 |
3/4 - 16 | 234 | 8 | 313 |
7/8 - 14 | 375 | 8 | 500 |
3/8 - 24 | 21 | 5 | 26 |
7/16 - 20 | 33 | 5 | 44 |
1/2 - 20 | 52 | 5 | 70 |
9/16 - 18 | 75 | 5 | 100 |
1 - 14 | 758 | 8 | 1010 |
1-1/8 - 12 | 848 | 8 | 1131 |
1-1/4 - 12 | 1163 | 8 | 1551 |
Size (B x C) |
Thread Length (D) |
Fits Pipe Size | ||
---|---|---|---|---|
1/4"-20 (A) | ||||
9/16" | x | 1-3/8" | 3/4" | 1/4" |
3/4" | x | 1-1/4" | 3/4" | 3/8" |
3/4" | x | 1-3/4" | 1" | 3/8" |
3/4" | x | 2-3/4" | 2" | 3/8" |
3/4" | x | 4-3/4" | 4" | 3/8" |
1" | x | 1-3/4" | 1" | 1/2" |
1-1/8" | x | 2-1/4" | 1-1/4" | 3/4" |
1-1/8" | x | 3-1/2" | 2-3/4" | 3/4" |
1-3/8" | x | 2-3/4" | 1-3/4" | 1" |
1-3/4" | x | 2-3/4" | 1-1/4" | 1-1/4" |
2" | x | 3-1/2" | 1-3/4" | 1-1/2" |
5/16"-18 (A) | ||||
1-3/8" | x | 2-1/2" | 1-1/4" | 1" |
1-3/8" | x | 3-3/4" | 2-1/8" | 1" |
1-3/4" | x | 3" | 1-1/2" | 1-1/4" |
1-3/4" | x | 4-1/4" | 2-1/2" | 1-1/4" |
2" | x | 3-1/4" | 1-1/2" | 1-1/2" |
2" | x | 3-11/16" | 2" | 1-1/2" |
2" | x | 4-11/16" | 2-3/4" | 1-1/2" |
2-1/2" | x | 3-1/2" | 1-1/2" | 2" |
2-1/2" | x | 4-3/16" | 2-1/4" | 2" |
2-1/2" | x | 5-3/16" | 3" | 2" |
3/8"-16 (A) | ||||
2" | x | 3-1/8" | 1-1/2" | 1-1/2" |
2-1/2" | x | 3-5/8" | 1-3/4" | 2" |
3" | x | 4-1/8" | 1-3/4" | 2-1/2" |
3-1/2" | x | 4-5/8" | 2" | 3" |
3-1/2" | x | 6-1/2" | 3" | 3" |
1/2"-13 (A) | ||||
3" | x | 5" | 2-1/2" | 2-1/2" |
3-1/2" | x | 5-1/2" | 2-1/2" | 3" |
4" | x | 6" | 2-1/2" | 3-1/2" |
4-1/2" | x | 6-1/2" | 2-1/2" | 4" |
What Is The Difference Between U-bolt And U Clamp?
A U bolt is also called a U bolt clamp or U clamp, it is a threaded u shaped fastener that can hold electrical poles or other structures on the electric power line, pole line, and concrete line.
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