Product Description
Skookum 320 Bolt Type Anchor Shackles
The Skookum 320 Alloy Bolt Type Anchor Shackles are engineered for the most demanding lifting and rigging applications. Forged, quenched, and tempered in Oregon, these USA-made shackles deliver exceptional strength, consistency, and reliability. Each unit is permanently marked with size and WLL, along with heat codes on both the bale and pin for complete traceability. Designed to exceed expectations where safety and longevity are critical.
Key Features:
- Forged, quenched, and tempered for maximum strength and uniform performance
- Permanent size and WLL markings with heat codes on bale and pin
- Bolt-type anchor design ideal for semi-permanent and vibration-prone installations
- Available finishes: enamel paint, zinc plate, or galvanized
- Manufactured in Oregon, USA — Skookum Gold Standard Forging
- Complies with ASME B30.26-1 requirements
Quick Specs:
- Size Range: 1/2" – 3-1/2"
- Working Load Limit: 5 – 150 tons (by size)
- Design Factor: 5:1
- Origin: Made in Oregon, USA
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 |
2-1/4 | 65 | 2.25 | 3.75 | 8.63 | 6.38 | 5.50 | 2.50 |
2-1/2 | 78 | 2.50 | 4.00 | 9.50 | 7.00 | 6.00 | 2.75 |
2-3/4 | 91 | 2.75 | 4.38 | 10.25 | 7.63 | 6.50 | 3.00 |
3 | 117 | 3.00 | 4.75 | 11.00 | 8.25 | 7.00 | 3.25 |
3-1/2 | 150 | 3.50 | 5.50 | 13.00 | 9.50 | 8.00 | 3.75 |

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.