Round Bend U-Bolts

Round Bend U-Bolts used in a variety of applications, Round Bend U-Bolts Cut Sheet - Haydon BoltsHaydon Bolts manufactures Round Bend U-Bolts in-house. We have the ability to manufacture custom U-Bolts to your exact specification, contact your sales representative for more information.

Diameters: 1/2″ through 4″

Length: Any Length

Grades: F1554-Grade 55 S1, F1554-Grade 105, A354-BD, A449, A193, 303 SS, 316 SS & Brass

Finishes: Plain (black,) Galvanied, Zinc Plated & Stainless Steel

Round Bend U-Bolts for steel or wrought iron pipe sizes 1/4-18″ inclusive, as listed below are produced from low carbon steel,  supplied with NC rolled threads and 2 hex nuts. In addition, unassembled U-Bolt plate is available if requested. Electro-galvanized finish is standard, other types of finishes are available on a special request.

Dimension and Sizes with U-Bolt with 2 nuts and U-Bolt with a plate and two washers listed below.

Don’t see your size listed below? Contact your sales representative to have Haydon Bolts manufacture your Round Bend U-Bolt to your exact specifications. 

Round Bend U Bolt Dimensions

Dia (A) - ThreadLength(B)Width(C)Thread(T)For Pipe Size
1/4"-20 9/16" 1-1/4" 3/4" 1/4"
1/4"-20 3/4" 1-1/4" 5/8" 3/8"
1/4"-20 3/4" 2-1/4" 1-1/2" 3/8"
1/4"-20 1" 1-3/4" 1" 1/2"
1/4"-20 1" 2-3/4" 1-1/4" 1/2"
1/4"-20 1-1/8" 2" 1" 3/4"
1/4"-20 1-1/8" 3-1/8" 1-1/2" 3/4"
1/4"-20 1-1/4" 2-1/4" 1-1/4" 3/4"
1/4"-20 1-1/2" 2-3/4" 1-3/8" 1"
1/4"-20 1-3/4" 3" 1-3/8" 1-1/4"
1/4"-20 2" 3-1/4" 1-3/8" 1-1/2"
5/16"-18 1" 2-3/16" 1-3/8" 1/2"
5/16"-18 1-1/8" 2-3/16" 1" 3/4"
5/16"-18 1-3/8" 2-3/16" 1" 1"
5/16"-18 1-3/8" 3-5/8" 2" 1"
5/16"-18 1-1/2" 2-3/16" 1" 1"
5/16"-18 1-3/4" 2-11/16"1-1/8"1-1/4"
5/16"-18 1-3/4" 4-1/2" 2" 1-1/4"
5/16"-182" 2-11/16" 1" 1-1/2"
5/16"-18 2" 4-3/4" 3" 1-1/2"
5/16"-18 2-1/2" 3-3/16" 1" 2"
5/16"-18 2-1/2" 5-5/8" 3" 2"
5/16"-18 3" 3-11/16" 1" 2-1/2"
3/8"-16 1" 2-1/4" 1-1/4" 1/2"
3/8"-16 1-1/4" 2-1/4" 1-1/4" 3/4"
3/8"-16 1-1/2" 2-1/2" 1-1/4" 1"
3/8"-16 1-3/4" 2-3/4" 1-1/8" 1-1/4"
3/8"-16 2" 2-5/8" 1-1/4" 1-1/2"
3/8"-16 2-1/2" 3-1/8"1-1/4" 2"
3/8"-163"3-5/8" 1-1/4" 2-1/2"
3/8"-16 3" 6-5/8" 3"2-1/2"
3/8"-16 3-1/2" 4-1/8"1-1/4" 3"
1/2"-13 3" 4-1/2" 1-5/8" 2-1/2"
1/2"-13 3-1/2" 5" 1-1/2" 3"
1/2"-133-1/2" 8-1/2" 3" 3"
1/2"-134" 5-1/2" 1-1/2" 3-1/2"
1/2"-13 4-1/2" 6" 1-1/2" 4"
1/2"-13 5-5/8" 7-1/4" 2" 5"
1/2"-13 6-3/4" 8-3/8" 2" 6"
1/2"-13 8-3/4" 10-3/8" 2" 8"
*3/4"-10 10-7/8" 13-13/164" 10"
*7/8"-9 12-7/8" 16-1/16" 4-1/4" 12"
*7/8"-9 14-1/8" 17-5/16" 4-1/4" 14"
*7/8"-9 16-1/8" 19-5/16" 4-1/4" 16"
*1"-8 18-1/8" 21-11/164-3/4" 18"

Round Bend U-Bolt Assemblies - Zinc Plated and Hot Dip Galvanized

 Zinc Bolt & 2 NutsZinc Bolt, Plate & 2 NutsHD Galv Bolt & 2 NutsHD Galv Bolt, Plate & 2 Nuts
Pipe SizePart No.Lbs/100Part # Lbs/100Part NoWeight per 100Part No Weight per 100
1/4"50005 0550205 4753005 75 53605 97
3/8"50008 1550208 5753008 85 53608 07
3/8"50011 1750211 5953011 97 53611 09
1/2" 50014 2750214 6953014 07 53614 19
1/2" 50017 3850217 71153017 8 53617 211
3/4"50020 3 750220 7953020 7 53620 29
3/4" 50023 4 950223 81253023 9 53623 31
3/4" 50026 5 7.550226 91053026 7.5 53626 410
1" 50029 6 950229 01253029 9 53629 512
1-1/4" 50032 6 950232 01253032 9 53632 512
1-1/2" 50035 7 9.550235 11453035 9.5 53635 614
1/2" 50038 8 1150238 21453038 11 53638 714
3/4" 50041 8 1250241 214.553041 12 53641 714.5
1" 50044 9 1250244 31553044 12 53644 815
1" 50047 0 1650247 42053047 16 53647 920
1" 50050 0 1250250 41553050 12 53650 915
1-1/4" 50053 1 1350253 517.553053 13 53653 017.5
1-1/4"50056 21950256 62453056 19 53656 124
1-1/2" 50059 3 1450259 71953059 14 53659 219
1-1/2" 50062 3 2050262 72553062 20 53662 225
2"50065 4 1650265 82153065 16 53665 321
2" 50068 5 2350268 92953068 23 53668 429
2-1/2" 50071 5 1850271 92453071 18 53671 424
1/2" 50074 6 17.550274 022.553074 17.5 53674 522.5
3/4" 50077 7 1850277 12453077 18 53677 624
1" 50080 7 18.550280 12653080 4 18.5 53680 626
1-1/4"50083 8 2050283 227.553083 5 20 53683 727.5
1-1/2"50086 9 2050286 32953086 6 20 53686 829
2" 50089 0 24.550289 43353089 7 24.5 53689 933
2-1/2" 50092 0 2650292 43853092 7 26 53692 938
2-1/2" 50095 1 4150295 552.553095 8 41 53695 052.5
3" 50098 2 3050298 642.553098 9 30 53698 142.5
2-1/2" 50101 9 5950301 37153101 6 59 53701 871
3" 50104 0 6450304 47853104 7 64 53704 978
3" 50107 1 9550307 511053104 7 64 53704 978
3-1/2" 50110 1 7050310 58753110 8 70 53710 087
4" 50113 2 7550313 692.553113 9 75 53713 1 92.5
5" 50116 390NANA53116 0 90NANA
6" 50119 4101NANA53119 1 101NANA
8" 50122 4120NANA53122 1 120NANA
10" 50125 5440NANA53125 2 440NANA
12" 50128 6710NANA53128 3 710NANA
14" 50131 6755NANA53131 3 755NANA
16" 50134 7850NANA53134 4 850NANA
18" 50137 81245NANA53134 4 850NANA

hexport – customer document portal

Do you need all of your paper work, right now? No problem! Because we know that often times the certification paper work is almost as important as the product itself. Haydon Bolts created the bolting industries’ first online customer portal. hexport, to make all of your paperwork. hexport contains your certifications, packing lists, proof of deliveries, bills of lading, invoices and shipment tracking. As a result our customers know that they can access all of their documents, wherever they’re & whenever they need them.

  • Contact Information

    Telephone: 215-537-8700
    FAX: 215-537-5569
    Postal address:
    1181 Unity Street Philadelphia, PA 19124
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