Description
A square D shackle has a flat-sided body that keeps straps and webbing flat across the bottom. It is often called a trawling shackle. Working load limits range from 750 to 2,850 lb by size.
Use it with flat webbing and straps, on fishing gear and anywhere a round bow would bunch the strap.
Features
- Screw pin closure
Specifications
| Material | 316 Stainless Steel (AISI 316) |
|---|---|
| Working load limit | 750 to 2,850 lb, by size |
| Sizes | 1/4", 5/16", 3/8", 15/32" |
| Weight per piece | 0.06 to 0.56 lb, by size |
Dimensions by Size

| Part No. | Size | A: Body diameter | B: Pin diameter | C: Inside width | D: Inside length | Weight (lb) | WLL (lb) |
|---|---|---|---|---|---|---|---|
| MT6SQDSH-14 | 1/4" | 1/4" | 1/4" | 15/32" | 13/16" | 0.06 | 750 |
| MT6SQDSH-516 | 5/16" | 5/16" | 5/16" | 5/8" | 1-1/8" | 0.12 | 1,300 |
| MT6SQDSH-38 | 3/8" | 3/8" | 3/8" | 3/4" | 1-3/8" | 0.25 | 1,700 |
| MT6SQDSH-1532 | 15/32" | 15/32" | 15/32" | 1" | 1-3/4" | 0.56 | 2,850 |
All dimensions in inches unless noted. A = Body diameter, B = Pin diameter, C = Inside width, D = Inside length.
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