For 1 1/2" to 3" square tubing.
| U-Bolts - Square End (Replacement Bolts) | |||
| Item No | "A" Size | "D" Diameter | "L" Length |
| 39223 (Plain Finish) | 1 3/4" | 9/16" - 18 | 5" |
| 39118 (Plain Finish) | 2" | 9/16" - 18 | 5 3/4" |
| 37400 (Zinc Coated) |
1 3/4" |
3/8" - 16 | 4" |
| 37401 (Zinc Coated) | 2 1/4" | 3/8" - 16 | 4 1/4" |
| 37402 (Zinc Coated) | 2 3/8" | 3/8" - 16 | 5 1/4" |
| 37403 (Zinc Coated) | 3 3/8" | 3/8" - 16 | 4 1/4" |
| 37404 (Zinc Coated) | 2 1/8" | 7/16" - 14 | 4" |
| 37405 (Zinc Coated) | 3 1/8" | 7/16" - 14 | 3" |
| 37406 (Zinc Coated) | 3 1/8" | 7/16" - 14 | 4" |
| 37407 (Zinc Coated) | 4 1/8" | 7/16" - 14 |
3" |
| 37408 (Zinc Coated) | 2 1/8" | 1/2" - 13 | 5 1/4" |
| 37409 (Zinc Coated) | 2 1/8" | 1/2" - 13 | 6 1/2" |
| 37500 (Zinc Coated) | 3 1/8" | 1/2" - 13 | 5 1/4" |
| 37051 (Zinc Coated) | 3 1/8" | 1/2" - 13 | 6 1/2" |
| 37301 (Zinc Coated) | Locknut, 3/8" - 16 with nylon insert | ||
| 37333 (Zinc Coated) | Washer, 3/8" flat | ||
| 37311 (Zinc Coated) | Locknut, 7/16" - 14 with nylon insert | ||
| 37341 (Zinc Coated) | Washer, 7/16" flat | ||
| 37322 (Zinc Coated) | Locknut, 1/2" - 13 with nylon insert | ||
| 37351 (Zinc Coated) | Washer, 1/2" flat | ||
| 38031 (Plain Finish) | U-bolt nut, 1/2" - 20 | ||
| 38022 (Plain Finish) | U-bolt nut, 9/16" - 18 | ||
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