Product Description
Skookum 263 Screw Pin Anchor Shackles
The Skookum 263 Alloy Screw Pin Anchor Shackles deliver exceptional strength and consistency for heavy rigging. USA-forged, quenched, and tempered, each shackle features permanent size/WLL markings and heat codes on both the bale and the pin for full traceability. Available with enamel paint, zinc plate, or galvanized finishes, and compliant with ASME B30.26-1.
Key Features:
- Forged, quenched, and tempered for superior strength and uniformity
- Permanent size & WLL markings; heat codes on bale and pin
- Screw pin anchor style for fast, repeated installations
- Available finishes: enamel paint, zinc plate, or galvanized
- Built to Skookum’s Gold Standard Forgings; ASME B30.26-1 compliant
Quick Specs:
- Size Range: 1/2" – 2"
- Working Load Limit: 5 – 52 tons (by size)
- Style: Screw Pin Anchor (SPA)
- Made in USA: Oregon
Dimensions & Capacities:
| All dimensions in inches | |||||||
|---|---|---|---|---|---|---|---|
| Size | WLL (tons) | D (Bale Dia.) | W (Jaw Opening) | L (Inside Height) | B (Inside Width) | R (Ear Width) | P (Pin Dia.) |
| 1/2 | 5 | 0.50 | 0.81 | 1.88 | 1.28 | 1.44 | 0.63 |
| 5/8 | 7 | 0.63 | 1.06 | 2.50 | 1.75 | 1.63 | 0.75 |
| 3/4 | 9 | 0.75 | 1.25 | 2.88 | 2.00 | 1.84 | 0.88 |
| 7/8 | 12 | 0.88 | 1.44 | 3.31 | 2.28 | 2.13 | 1.00 |
| 1 | 16 | 1.00 | 1.69 | 3.75 | 2.69 | 2.25 | 1.13 |
| 1-1/8 | 18 | 1.13 | 1.81 | 4.25 | 2.94 | 2.63 | 1.25 |
| 1-1/4 | 21 | 1.25 | 2.03 | 4.63 | 3.25 | 3.00 | 1.38 |
| 1-3/8 | 26 | 1.38 | 2.25 | 5.25 | 3.63 | 3.25 | 1.50 |
| 1-1/2 | 31 | 1.50 | 2.38 | 5.75 | 3.88 | 3.44 | 1.63 |
| 1-5/8 | 35 | 1.63 | 2.63 | 6.25 | 4.63 | 4.00 | 1.75 |
| 1-3/4 | 41 | 1.75 | 2.88 | 7.00 | 5.00 | 4.25 | 2.00 |
| 2 | 52 | 2.00 | 3.25 | 7.75 | 5.75 | 5.00 | 2.25 |

Specifications
Safety Notice
Although Bishop Lifting strives to manufacture and sell the highest quality rigging and safety gear, use of the gear is dangerous if not used correctly by competent trained professionals. Bishop Lifting disclaims any liability resulting from the misuse of its rigging and safety gear. Please take a moment to more thoroughly review our disclaimer.
Bishop Lifting rigging and safety gear is only intended to be used by competent trained professionals. Misuse of the rigging and safety gear can result in serious injury up to and including loss of life. As such, Bishop Lifting disclaims liability for any misuse or incorrect product selection by our customers.
Rigging and safety gear purchased from Bishop Lifting should be used in strict accordance with all industry and OSHA standards. At no time should rigging or safety gear be used beyond its certified load ratings (aka Working Load Limits). Normal wear and tear should be expected with use of rigging and safety gear; therefore, all gear should be thoroughly inspected before each and every use. Worn or unsafe rigging and safety gear should never be used.