Standard U-Bolts
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The Dale Company manufactures high-performance stainless steel & galvanized U-bolts for industrial applications. We offer U-bolts at competitive prices, with quick turnaround and same-day shipping for many products.
What are Stainless Steel & Galvanized U-Bolts?
The bend of the bolt keeps it in place, providing a stable and secure join once the bolt is secured. Standard U-bolts are used throughout industry as:
- Piping support
- Conduit support
- Framing fasteners
- Foundation and roof anchors
- Wire and cable fasteners
- Motor and engine shaft component fasteners
What Materials & Finishes are Available for Standard U-Bolts?
The Dale Company is a square & round U-bolt distributor with more options available such as J U-bolts, eye bolts, anchor bolts, S-hooks, stainless steel u-bolts, and galvanized u-bolts. We offer standard sizes for ¼” to 36” pipe, as well as custom sizes and threading to meet your specific application requirements. Materials and finishes available for The Dale Company’s standard U-bolts include:
- Low carbon steel

- 304 and 316 stainless steel
- Teflon Blue
- Plain finish
- Zinc-plated
- Hot dipped galvanized
- Hot dipped galvanized Pro-Coat™
Stock bolts have a minimum purchase of $25.
| SKU | Diameter | Inside Width | Inside Length | Finish | |
|---|---|---|---|---|---|
| ub36 | 1/2″ | 2″ | 3″ | Standard |
|
| ug36 | 1/2″ | 2″ | 3″ | Hot Dip Galvanized |
|
| up36 | 1/2″ | 2″ | 3″ | Zinc Plated |
|
| ub46 | 1/2″ | 10 7/8″ | 13″ | Standard |
|
| ug46 | 1/2″ | 10 7/8″ | 13″ | Hot Dip Galvanized |
|
| up46 | 1/2″ | 10 7/8″ | 13″ | Zinc Plated |
|
| us38 | 1/2″ | 3″ | 4 1/8″ | 304 Stainless Steel |
|
| u338 | 1/2″ | 3″ | 4 1/8″ | 316 Stainless Steel |
|
| ub38 | 1/2″ | 3″ | 4 1/8″ | Standard |
|
| ug38 | 1/2″ | 3″ | 4 1/8″ | Hot Dip Galvanized |
|
| up38 | 1/2″ | 3″ | 4 1/8″ | Zinc Plated |
|
| us37 | 1/2″ | 2 7/16″ | 3 5/8″ | 304 Stainless Steel |
|
| ub37 | 1/2″ | 2 7/16″ | 3 5/8″ | Standard |
|
| ug37 | 1/2″ | 2 7/16″ | 3 5/8″ | Hot Dip Galvanized |
|
| up37 | 1/2″ | 2 7/16″ | 3 5/8″ | Zinc Plated |
|
| ub40 | 1/2″ | 4″ | 5 1/2″ | Standard |
|
| ug40 | 1/2″ | 4″ | 5 1/2″ | Hot Dip Galvanized |
|
| up40 | 1/2″ | 4″ | 5 1/2″ | Zinc Plated |
|
| us39 | 1/2″ | 3 9/16″ | 4 1/2″ | 304 Stainless Steel |
|
| u339 | 1/2″ | 3 9/16″ | 4 1/2″ | 316 Stainless Steel |
|
| UB39 | 1/2″ | 3 9/16″ | 4 1/2″ | Standard |
|
| ug39 | 1/2″ | 3 9/16″ | 4 1/2″ | Hot Dip Galvanized |
|
| up39 | 1/2″ | 3 9/16″ | 4 1/2″ | Zinc Plated |
|
| us41 | 1/2″ | 4 9/16″ | 5 3/4″ | 304 Stainless Steel |
|
| u341 | 1/2″ | 4 9/16″ | 5 3/4″ | 316 Stainless Steel |
|
| ub41 | 1/2″ | 4 9/16″ | 5 3/4″ | Standard |
|
| ug41 | 1/2″ | 4 9/16″ | 5 3/4″ | Hot Dip Galvanized |
|
| up41 | 1/2″ | 4 9/16″ | 5 3/4″ | Zinc Plated |
|
| us43 | 1/2″ | 5 9/16″ | 7″ | 304 Stainless Steel |
|
| u343 | 1/2″ | 5 9/16″ | 7″ | 316 Stainless Steel |
|
| ub43 | 1/2″ | 5 9/16″ | 7″ | Standard |
|
| ug43 | 1/2″ | 5 9/16″ | 7″ | Hot Dip Galvanized |
|
| up43 | 1/2″ | 5 9/16″ | 7″ | Zinc Plated |
|
| us44 | 1/2″ | 6 5/8″ | 8″ | 304 Stainless Steel |
|
| u344 | 1/2″ | 6 5/8″ | 8″ | 316 Stainless Steel |
|
| ub44 | 1/2″ | 6 5/8″ | 8″ | Standard |
|
| ug44 | 1/2″ | 6 5/8″ | 8″ | Hot Dip Galvanized |
|
| up44 | 1/2″ | 6 5/8″ | 8″ | Zinc Plated |
|
| us45 | 1/2″ | 8 3/4″ | 10 1/4″ | 304 Stainless Steel |
|
| ub45 | 1/2″ | 8 3/4″ | 10 1/4″ | Standard |
|
| up45 | 1/2″ | 8 3/4″ | 10 1/4″ | Zinc Plated |
|
| us7 | 1/4″ | 2″ | 3″ | 304 Stainless Steel |
|
| u37 | 1/4″ | 2″ | 3″ | 316 Stainless Steel |
|
| ub7 | 1/4″ | 2″ | 3″ | Standard |
|
| ug7 | 1/4″ | 2″ | 3″ | Hot Dip Galvanized |
|
| up7 | 1/4″ | 2″ | 3″ | Zinc Plated |
|
| us6 | 1/4″ | 1 3/4″ | 2 3/4″ | 304 Stainless Steel |
|
| u36 | 1/4″ | 1 3/4″ | 2 3/4″ | 316 Stainless Steel |
|
| ub6 | 1/4″ | 1 3/4″ | 2 3/4″ | Standard |
|
| ug6 | 1/4″ | 1 3/4″ | 2 3/4″ | Hot Dip Galvanized |
|
| up6 | 1/4″ | 1 3/4″ | 2 3/4″ | Zinc Plated |
|
| us5 | 1/4″ | 1 3/8″ | 2 1/4″ | 304 Stainless Steel |
|
| u35 | 1/4″ | 1 3/8″ | 2 1/4″ | 316 Stainless Steel |
|
| ub5 | 1/4″ | 1 3/8″ | 2 1/4″ | Standard |
|
| ug5 | 1/4″ | 1 3/8″ | 2 1/4″ | Hot Dip Galvanized |
|
| up5 | 1/4″ | 1 3/8″ | 2 1/4″ | Zinc Plated |
|
| us3 | 1/4″ | 15/16″ | 1 3/4″ | 304 Stainless Steel |
|
| u33 | 1/4″ | 15/16″ | 1 3/4″ | 316 Stainless Steel |
|
| ub3 | 1/4″ | 15/16″ | 1 3/4″ | Standard |
|
| ug3 | 1/4″ | 15/16″ | 1 3/4″ | Hot Dip Galvanized |
|
| up3 | 1/4″ | 15/16″ | 1 3/4″ | Zinc Plated |
|
| us1 | 1/4″ | 9/16″ | 1 1/2″ | 304 Stainless Steel |
|
| u31 | 1/4″ | 9/16″ | 1 1/2″ | 316 Stainless Steel |
|
| ub1 | 1/4″ | 9/16″ | 1 1/2″ | Standard |
|
| up1 | 1/4″ | 9/16″ | 1 1/2″ | Zinc Plated |
|
| us8 | 1/4″ | 2 7/16″ | 3 1/2″ | 304 Stainless Steel |
|
| u38 | 1/4″ | 2 7/16″ | 3 1/2″ | 316 Stainless Steel |
|
| ub8 | 1/4″ | 2 7/16″ | 3 1/2″ | Standard |
|
| up8 | 1/4″ | 2 7/16″ | 3 1/2″ | Zinc Plated |
|
| US4 | 1/4″ | 1 1/8″ | 2″ | 304 Stainless Steel |
|
| ub4 | 1/4″ | 1 1/8″ | 2″ | Standard |
|
| ug4 | 1/4″ | 1 1/8″ | 2″ | Hot Dip Galvanized |
|
| up4 | 1/4″ | 1 1/8″ | 2″ | Zinc Plated |
|
| us2 | 1/4″ | 3/4″ | 1 1/2″ | 304 Stainless Steel |
|
| u32 | 1/4″ | 3/4″ | 1 1/2″ | 316 Stainless Steel |
|
| ub2 | 1/4″ | 3/4″ | 1 1/2″ | Standard |
|
| up2 | 1/4″ | 3/4″ | 1 1/2″ | Zinc Plated |
|
| ub57 | 3/4″ | 10 7/8″ | 13″ | Standard |
|
| ub58 | 3/4″ | 12 7/8″ | 15″ | Standard |
|
| ug58 | 3/4″ | 12 7/8″ | 15″ | Hot Dip Galvanized |
|
| ub56 | 3/4″ | 8 3/4″ | 10 1/4″ | Standard |
|
| ug56 | 3/4″ | 8 3/4″ | 10 1/4″ | Hot Dip Galvanized |
|
| us23 | 3/8″ | 2″ | 3″ | 304 Stainless Steel |
|
| u323 | 3/8″ | 2″ | 3″ | 316 Stainless Steel |
|
| ub23 | 3/8″ | 2″ | 3″ | Standard |
|
| ug23 | 3/8″ | 2″ | 3″ | Hot Dip Galvanized |
|
| up23 | 3/8″ | 2″ | 3″ | Zinc Plated |
|
| us22 | 3/8″ | 1 3/4″ | 2 3/4″ | 304 Stainless Steel |
|
| u322 | 3/8″ | 1 3/4″ | 2 3/4″ | 316 Stainless Steel |
|
| ub22 | 3/8″ | 1 3/4″ | 2 3/4″ | Standard |
|
| ug22 | 3/8″ | 1 3/4″ | 2 3/4″ | Hot Dip Galvanized |
|
| up22 | 3/8″ | 1 3/4″ | 2 3/4″ | Zinc Plated |
|
| us21 | 3/8″ | 1 3/8″ | 2 7/16″ | 304 Stainless Steel |
|
| u321 | 3/8″ | 1 3/8″ | 2 7/16″ | 316 Stainless Steel |
|
| ub21 | 3/8″ | 1 3/8″ | 2 7/16″ | Standard |
|
| ug21 | 3/8″ | 1 3/8″ | 2 7/16″ | Hot Dip Galvanized |
|
| up21 | 3/8″ | 1 3/8″ | 2 7/16″ | Zinc Plated |
|
| ub19 | 3/8″ | 15/16″ | 1 3/4″ | Standard |
|
| ug19 | 3/8″ | 15/16″ | 1 3/4″ | Hot Dip Galvanized |
|
| up19 | 3/8″ | 15/16″ | 1 3/4″ | Zinc Plated |
|
| us25 | 3/8″ | 3″ | 4 1/8″ | 304 Stainless Steel |
|
| u325 | 3/8″ | 3″ | 4 1/8″ | 316 Stainless Steel |
|
| ub25 | 3/8″ | 3″ | 4 1/8″ | Standard |
|
| up25 | 3/8″ | 3″ | 4 1/8″ | Zinc Plated |
|
| us24 | 3/8″ | 2 7/16″ | 3 5/8″ | 304 Stainless Steel |
|
| u324 | 3/8″ | 2 7/16″ | 3 5/8″ | 316 Stainless Steel |
|
| ub24 | 3/8″ | 2 7/16″ | 3 5/8″ | Standard |
|
| up24 | 3/8″ | 2 7/16″ | 3 5/8″ | Zinc Plated |
|
| us26 | 3/8″ | 3 9/16″ | 4 3/4″ | 304 Stainless Steel |
|
| u326 | 3/8″ | 3 9/16″ | 4 3/4″ | 316 Stainless Steel |
|
| ub26 | 3/8″ | 3 9/16″ | 4 3/4″ | Standard |
|
| up26 | 3/8″ | 3 9/16″ | 4 3/4″ | Zinc Plated |
|
| us20 | 3/8″ | 1 1/8″ | 2″ | 304 Stainless Steel |
|
| ub20 | 3/8″ | 1 1/8″ | 2″ | Standard |
|
| ug20 | 3/8″ | 1 1/8″ | 2″ | Hot Dip Galvanized |
|
| up20 | 3/8″ | 1 1/8″ | 2″ | Zinc Plated |
|
| us28 | 3/8″ | 4 9/16″ | 5 3/4″ | 304 Stainless Steel |
|
| u328 | 3/8″ | 4 9/16″ | 5 3/4″ | 316 Stainless Steel |
|
| ub28 | 3/8″ | 4 9/16″ | 5 3/4″ | Standard |
|
| up28 | 3/8″ | 4 9/16″ | 5 3/4″ | Zinc Plated |
|
| ub29 | 3/8″ | 5 9/16″ | 7″ | Standard |
|
| ug29 | 3/8″ | 5 9/16″ | 7″ | Hot Dip Galvanized |
|
| up29 | 3/8″ | 5 9/16″ | 7″ | Zinc Plated |
|
| us30 | 3/8″ | 6 5/8″ | 8″ | 304 Stainless Steel |
|
| ub30 | 3/8″ | 6 5/8″ | 8″ | Standard |
|
| ug30 | 3/8″ | 6 5/8″ | 8″ | Hot Dip Galvanized |
|
| up30 | 3/8″ | 6 5/8″ | 8″ | Zinc Plated |
|
| us31 | 3/8″ | 8 3/4″ | 10 1/4″ | 304 Stainless Steel |
|
| ub31 | 3/8″ | 8 3/4″ | 10 1/4″ | Standard |
|
| ug31 | 3/8″ | 8 3/4″ | 10 1/4″ | Hot Dip Galvanized |
|
| up31 | 3/8″ | 8 3/4″ | 10 1/4″ | Zinc Plated |
|
| us15 | 5/16″ | 2″ | 3″ | 304 Stainless Steel |
|
| u315 | 5/16″ | 2″ | 3″ | 316 Stainless Steel |
|
| ub15 | 5/16″ | 2″ | 3″ | Standard |
|
| ug15 | 5/16″ | 2″ | 3″ | Hot Dip Galvanized |
|
| up15 | 5/16″ | 2″ | 3″ | Zinc Plated |
|
| us14 | 5/16″ | 1 3/4″ | 2 3/4″ | 304 Stainless Steel |
|
| u314 | 5/16″ | 1 3/4″ | 2 3/4″ | 316 Stainless Steel |
|
| ub14 | 5/16″ | 1 3/4″ | 2 3/4″ | Standard |
|
| ug14 | 5/16″ | 1 3/4″ | 2 3/4″ | Hot Dip Galvanized |
|
| up14 | 5/16″ | 1 3/4″ | 2 3/4″ | Zinc Plated |
|
| us13 | 5/16″ | 1 3/8″ | 2 7/16″ | 304 Stainless Steel |
|
| u313 | 5/16″ | 1 3/8″ | 2 7/16″ | 316 Stainless Steel |
|
| ub13 | 5/16″ | 1 3/8″ | 2 7/16″ | Standard |
|
| ug13 | 5/16″ | 1 3/8″ | 2 7/16″ | Hot Dip Galvanized |
|
| up13 | 5/16″ | 1 3/8″ | 2 7/16″ | Zinc Plated |
|
| ub11 | 5/16″ | 15/16″ | 1 3/4″ | Standard |
|
| up11 | 5/16″ | 15/16″ | 1 3/4″ | Zinc Plated |
|
| us16 | 5/16″ | 2 7/16″ | 3 1/2″ | 304 Stainless Steel |
|
| u316 | 5/16″ | 2 7/16″ | 3 1/2″ | 316 Stainless Steel |
|
| ub16 | 5/16″ | 2 7/16″ | 3 1/2″ | Standard |
|
| ug16 | 5/16″ | 2 7/16″ | 3 1/2″ | Hot Dip Galvanized |
|
| up16 | 5/16″ | 2 7/16″ | 3 1/2″ | Zinc Plated |
|
| us12 | 5/16″ | 1 1/8″ | 2″ | 304 Stainless Steel |
|
| ub12 | 5/16″ | 1 1/8″ | 2″ | Standard |
|
| up12 | 5/16″ | 1 1/8″ | 2″ | Zinc Plated |
|
| ub53 | 5/8″ | 10 7/8″ | 13″ | Standard |
|
| ub50 | 5/8″ | 5 9/16″ | 7″ | Standard |
|
| ug50 | 5/8″ | 5 9/16″ | 7″ | Hot Dip Galvanized |
|
| up50 | 5/8″ | 5 9/16″ | 7″ | Zinc Plated |
|
| ub51 | 5/8″ | 6 3/4″ | 8 3/4″ | Standard |
|
| ug51 | 5/8″ | 6 3/4″ | 8 3/4″ | Hot Dip Galvanized |
|
| ub52 | 5/8″ | 8 3/4″ | 10 1/4″ | Standard |
|
| 5/16″ | 1 3/8″ | 2 7/16″ | 316 Stainless Steel |
| |
| 5/16″ | 1 3/4″ | 2 3/4″ | 316 Stainless Steel |
| |
| 5/16″ | 2″ | 3″ | 316 Stainless Steel |
| |
| 5/16″ | 2 7/16″ | 3 1/2″ | 316 Stainless Steel |
| |
| 3/8″ | 1 3/8″ | 2 7/16″ | 316 Stainless Steel |
| |
| 3/8″ | 1 3/4″ | 2 3/4″ | 316 Stainless Steel |
| |
| 3/8″ | 2″ | 3″ | 316 Stainless Steel |
| |
| 3/8″ | 2 7/16″ | 3 5/8″ | 316 Stainless Steel |
| |
| 3/8″ | 3″ | 4 1/8″ | 316 Stainless Steel |
| |
| 3/8″ | 3 9/16″ | 4 3/4″ | 316 Stainless Steel |
| |
| 3/8″ | 4 9/16″ | 5 3/4″ | 316 Stainless Steel |
| |
| 1/2″ | 3″ | 4 1/8″ | 316 Stainless Steel |
| |
| u34 | 1/4″ | 1 1/8″ | 2″ | 316 Stainless Steel |
|
| u34 | 1/4″ | 1 1/8″ | 2″ | 316 Stainless Steel |
|
| 1/2″ | 4 9/16″ | 5 3/4″ | 316 Stainless Steel |
| |
| 1/2″ | 5 9/16″ | 7″ | 316 Stainless Steel |
| |
| 1/2″ | 6 5/8″ | 8″ | 316 Stainless Steel |
| |
| 1/4″ | 1 3/4″ | 2 3/4″ | 316 Stainless Steel |
| |
| 1/4″ | 2″ | 3″ | 316 Stainless Steel |
| |
| 1/4″ | 2 7/16″ | 3 1/2″ | 316 Stainless Steel |
| |
| ug1 | 1/4″ | 9/16″ | 1 1/2″ | Hot Dip Galvanized |
|
| ug1 | 1/4″ | 9/16″ | 1 1/2″ | Hot Dip Galvanized |
|
| ug11 | 5/16″ | 15/16″ | 1 3/4″ | Hot Dip Galvanized |
|
| ug11 | 5/16″ | 15/16″ | 1 3/4″ | Hot Dip Galvanized |
|
| ug12 | 5/16″ | 1 1/8″ | 2″ | Hot Dip Galvanized |
|
| ug12 | 5/16″ | 1 1/8″ | 2″ | Hot Dip Galvanized |
|
| ug2 | 1/4″ | 3/4″ | 1 1/2″ | Hot Dip Galvanized |
|
| ug2 | 1/4″ | 3/4″ | 1 1/2″ | Hot Dip Galvanized |
|
| ug24 | 3/8″ | 2 7/16″ | 3 5/8″ | Hot Dip Galvanized |
|
| ug24 | 3/8″ | 2 7/16″ | 3 5/8″ | Hot Dip Galvanized |
|
| ug25 | 3/8″ | 3″ | 4 1/8″ | Hot Dip Galvanized |
|
| ug25 | 3/8″ | 3″ | 4 1/8″ | Hot Dip Galvanized |
|
| ug26 | 3/8″ | 3 9/16″ | 4 3/4″ | Hot Dip Galvanized |
|
| ug26 | 3/8″ | 3 9/16″ | 4 3/4″ | Hot Dip Galvanized |
|
| ug28 | 3/8″ | 4 9/16″ | 5 3/4″ | Hot Dip Galvanized |
|
| ug28 | 3/8″ | 4 9/16″ | 5 3/4″ | Hot Dip Galvanized |
|
| ug45 | 1/2″ | 8 3/4″ | 10 1/4″ | Hot Dip Galvanized |
|
| ug45 | 1/2″ | 8 3/4″ | 10 1/4″ | Hot Dip Galvanized |
|
| ug52 | 5/8″ | 8 3/4″ | 10 1/4″ | Hot Dip Galvanized |
|
| ug52 | 5/8″ | 8 3/4″ | 10 1/4″ | Hot Dip Galvanized |
|
| ug53 | 5/8″ | 10 7/8″ | 13″ | Hot Dip Galvanized |
|
| ug53 | 5/8″ | 10 7/8″ | 13″ | Hot Dip Galvanized |
|
| ug8 | 1/4″ | 2 7/16″ | 3 1/2″ | Hot Dip Galvanized |
|
| ug8 | 1/4″ | 2 7/16″ | 3 1/2″ | Hot Dip Galvanized |
|
| up51 | 5/8″ | 6 3/4″ | 8 3/4″ | Zinc Plated |
|
| up51 | 5/8″ | 6 3/4″ | 8 3/4″ | Zinc Plated |
|
| up52 | 5/8″ | 8 3/4″ | 10 1/4″ | Zinc Plated |
|
| up52 | 5/8″ | 8 3/4″ | 10 1/4″ | Zinc Plated |
|
| up53 | 5/8″ | 10 7/8″ | 13″ | Zinc Plated |
|
| up53 | 5/8″ | 10 7/8″ | 13″ | Zinc Plated |
|
| up56 | 3/4″ | 8 3/4″ | 10 1/4″ | Zinc Plated |
|
| up56 | 3/4″ | 8 3/4″ | 10 1/4″ | Zinc Plated |
|
| up57 | 3/4″ | 10 7/8″ | 13″ | Zinc Plated |
|
| up57 | 3/4″ | 10 7/8″ | 13″ | Zinc Plated |
|
Standard U-Bolt Chart
| SIZE | Dia. (D) |
Ins. Width (C) |
Ins. Length (L) |
Thd (T) |
Plain | Zinc Plt | HDG | 304 SST | 316 SST |
|---|---|---|---|---|---|---|---|---|---|
| 1/4 x 1/4 | 1/4″ | 9/16″ | 1 1/2″ | 1″ | UB1 | UP1 | UG1 | US1 | U31 |
| 1/4 x 3/8 | 1/4″ | 3/4″ | 1 1/2″ | 1″ | UB2 | UP2 | UG2 | US2 | U32 |
| 1/4 x 1/2 | 1/4″ | 15/16″ | 1 3/4″ | 1″ | UB3 | UP3 | UG3 | US3 | U33 |
| 1/4 x 3/4 | 1/4″ | 1 1/8″ | 2″ | 1 1/8″ | UB4 | UP4 | UG4 | US4 | U34 |
| 1/4 x 1 | 1/4″ | 1 3/8″ | 2 1/4″ | 1 1/8″ | UB5 | UP5 | UG5 | US5 | U35 |
| 1/4 x 1 1/4 | 1/4″ | 1 3/4″ | 2 3/4″ | 1 1/8″ | UB6 | UP6 | UG6 | US6 | U36 |
| 1/4 x 1 1/2 | 1/4″ | 2″ | 3″ | 1 1/4″ | UB7 | UP7 | UG7 | US7 | U37 |
| 1/4 x 2 | 1/4″ | 2 7/16″ | 3 1/2″ | 1 1/2″ | UB8 | UP8 | UG8 | US8 | U38 |
| 5/16 x 1/2 | 5/16″ | 15/16″ | 1 3/4″ | 1″ | UB11 | UP11 | UG11 | ||
| 5/16 x 3/4 | 5/16″ | 1 1/8″ | 2″ | 1 1/8″ | UB12 | UP12 | UG12 | US12 | |
| 5/16 x 1 | 5/16″ | 1 3/8″ | 2 7/16″ | 1 1/8″ | UB13 | UP13 | UG13 | US13 | U313 |
| 5/16 x 1 1/4 | 5/16″ | 1 3/4″ | 2 3/4″ | 1 1/8″ | UB14 | UP14 | UG14 | US14 | U314 |
| 5/16 x 1 1/2 | 5/16″ | 2″ | 3″ | 1 1/8″ | UB15 | UP15 | UG15 | US15 | U315 |
| 5/16 x 2 | 5/16″ | 2 7/16″ | 3 1/2″ | 1 1/2″ | UB16 | UP16 | UG16 | US16 | U316 |
| 3/8 x 1/2 | 3/8″ | 15/16″ | 1 3/4″ | 1″ | UB19 | UP19 | UG19 | ||
| 3/8 x 3/4 | 3/8″ | 1 1/8″ | 2″ | 1 1/8″ | UB20 | UP20 | UG20 | US20 | |
| 3/8 x 1 | 3/8″ | 1 3/8″ | 2 7/16″ | 1 1/8″ | UB21 | UP21 | UG21 | US21 | U321 |
| 3/8 x 1 1/4 | 3/8″ | 1 3/4″ | 2 3/4″ | 1 1/4″ | UB22 | UP22 | UG22 | US22 | U322 |
| 3/8 x 1 1/2 | 3/8″ | 2″ | 3″ | 1 1/4″ | UB23 | UP23 | UG23 | US23 | U323 |
| 3/8 x 2 | 3/8″ | 2 7/16″ | 3 5/8″ | 1 3/4″ | UB24 | UP24 | UG24 | US24 | U324 |
| 3/8 x 2 1/2 | 3/8″ | 3″ | 4 1/8″ | 2″ | UB25 | UP25 | UG25 | US25 | U325 |
| 3/8 x 3 | 3/8″ | 3 9/16″ | 4 3/4″ | 2″ | UB26 | UP26 | UG26 | US26 | U326 |
| 3/8 x 4 | 3/8″ | 4 9/16″ | 5 3/4″ | 2″ | UB28 | UP28 | UG28 | US28 | U328 |
| 3/8 x 5 | 3/8″ | 5 9/16″ | 7″ | 2″ | UB29 | UP29 | UG29 | ||
| 3/8 x 6 | 3/8″ | 6 5/8″ | 8″ | 3″ | UB30 | UP30 | UG30 | US30 | |
| 3/8 x 8 | 3/8″ | 8 3/4″ | 10 1/4″ | 3″ | UB31 | UP31 | UG31 | US31 | |
| 1/2 x 1 1/2 | 1/2″ | 2″ | 3″ | 1 1/4″ | UB36 | UP36 | UG36 | ||
| 1/2 x 2 | 1/2″ | 2 7/16″ | 3 5/8″ | 1 3/4″ | UB37 | UP37 | UG37 | US37 | |
| 1/2 x 2 1/2 | 1/2″ | 3″ | 4 1/8″ | 2″ | UB38 | UP38 | UG38 | US38 | U338 |
| 1/2 x 3 | 1/2″ | 3 9/16″ | 4 1/2″ | 2″ | UB39 | UP39 | UG39 | US39 | U339 |
| 1/2 x 3 1/2 | 1/2″ | 4″ | 5 1/2″ | 2″ | UB40 | UP40 | UG40 | ||
| 1/2 x 4 | 1/2″ | 4 9/16″ | 5 3/4″ | 2″ | UB41 | UP41 | UG41 | US41 | U341 |
| 1/2 x 5 | 1/2″ | 5 9/16″ | 7″ | 2″ | UB43 | UP43 | UG43 | US43 | U343 |
| 1/2 x 6 | 1/2″ | 6 5/8″ | 8″ | 3″ | UB44 | UP44 | UG44 | US44 | U344 |
| 1/2 x 8 | 1/2″ | 8 3/4″ | 10 1/4″ | 3″ | UB45 | UP45 | UG45 | US45 | |
| 1/2 x 10 | 1/2″ | 10 7/8″ | 13″ | 3″ | UB46 | UP46 | UG46 | ||
| 5/8 x 5 | 5/8″ | 5 9/16″ | 7″ | 2″ | UB50 | UP50 | UG50 | ||
| 5/8 x 6 | 5/8″ | 6 3/4″ | 8 3/4″ | 3″ | UB51 | UP51 | UG51 | ||
| 5/8 x 8 | 5/8″ | 8 3/4″ | 10 1/4″ | 3″ | UB52 | UP52 | UG52 | ||
| 5/8 x 10 | 5/8″ | 10 7/8″ | 13″ | 3″ | UB53 | UP53 | UG53 | ||
| 3/4 x 8 | 3/4″ | 8 3/4″ | 10 1/4″ | 3″ | UB56 | UP56 | UG56 | ||
| 3/4 x 10 | 3/4″ | 10 7/8″ | 13″ | 3″ | UB57 | UP57 | UG57 | ||
| 3/4 x 12 | 3/4″ | 12 7/8″ | 15″ | 3 3/4″ | UB58 | UP58 | UG58 |
What are Stainless Steel & Galvanized U-Bolts?