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Product Description
The Crosby S-1317 Clevis Hook with SHUR-LOC® positive locking latch is designed for secure overhead lifting and rigging applications using Grade 100 and Grade 80 alloy chain slings. Engineered for maximum safety and dependable performance, the S-1317 features a self-locking latch mechanism that automatically locks when the hook is loaded, helping prevent accidental disengagement during lifting operations.
Manufactured from forged alloy steel and heat treated for durability, the S-1317 delivers high strength, fatigue resistance, and reliable operation in demanding industrial, construction, marine, and material handling environments.
Material:
Forged alloy steel
Quenched and tempered steel construction
Platinum-colored Grade 100 finish
Specifications:
Clevis hook with SHUR-LOC® positive locking latch
Suitable for use with Grade 100 and Grade 80 alloy chain
Positive lock latch automatically self-locks when loaded
Recessed trigger design helps protect latch mechanism from damage
Enlarged thumb access for easier operation while wearing gloves
Engineered flat design for connection to Crosby S-1325 chain coupler
Individually proof tested to 2-1/2 times the Working Load Limit with certification
Fatigue rated to 20,000 cycles at 1-1/2 times the Working Load Limit
Available in Working Load Limits from 3,200 lbs to 59,700 lbs
4:1 design factor
Meets or exceeds ASME B30.10 requirements
Can be used for personnel lifting applications when properly installed and locked in accordance with OSHA requirements
Uses:
Chain sling assemblies
Industrial overhead lifting
Construction and material handling
Marine and offshore rigging
Personnel lifting applications when properly configured
General rigging and lifting operations
Key Features:
SHUR-LOC® latch – Automatically locks under load for improved safety
Forged construction – Built for demanding lifting applications
Protected trigger design – Recessed latch reduces accidental damage
Easy operation – Enlarged thumb access improves handling
Grade 100 rated – 25% stronger than Grade 80 components
Proof tested – Individually tested for reliability and safety
Fatigue resistant – Designed for repeated lifting cycles
Personnel lifting capable – Meets OSHA intent requirements when properly installed
| Chain Size (in) | Chain Size (mm) | Working Load Limit (lb) | Stock No. | Weight Each (lb) | Reach / Clevis Height - C (in) | Hook Bowl Depth - D (in) | Overall Hook Width - E (in) | Overall Height - G (in) | Hook Body Thickness - J (in) | Throat Opening - L (in) | Deformation Indicator Distance - AA (in) | Replacement Trigger Kit Stock No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| — | 6 | 3,200 | 1028991 | 0.77 | 3.44 | 0.79 | 2.60 | 4.75 | 0.63 | 1.16 | 1.50 | 6603010 |
| 1/4 | 7 | 4,300 | 1029000 | 1.80 | 4.48 | 1.10 | 3.51 | 6.25 | 0.81 | 1.48 | 2.00 | 6603011 |
| 5/16 | 8 | 5,700 | 1029009 | 1.80 | 4.47 | 1.10 | 3.51 | 6.25 | 0.81 | 1.48 | 2.00 | 6603011 |
| 3/8 | 10 | 8,800 | 1029018 | 3.66 | 5.53 | 1.17 | 4.39 | 7.54 | 0.94 | 1.83 | 2.50 | 6603012 |
| 1/2 | 13 | 15,000 | 1029027 | 6.80 | 6.81 | 1.67 | 5.49 | 9.52 | 1.16 | 2.22 | 3.00 | 6603013 |
| 5/8 | 16 | 22,600 | 1029036 | 11.9 | 8.22 | 2.04 | 6.55 | 11.61 | 1.50 | 2.65 | 3.50 | 6603014 |
| 3/4 | 18-20 | 35,300 | 1029071 | 15.0 | 9.42 | 2.22 | 7.76 | 13.21 | 2.03 | 3.52 | 5.00 | 6603015 |
| 7/8 | 22 | 42,700 | 1029080 | 28.0 | 11.14 | 2.45 | 8.75 | 15.45 | 2.20 | 3.83 | 6.00 | 6603008 |
| 1 | 26 | 59,700 | 1029089 | 49.5 | 12.56 | 3.21 | 9.87 | 18.44 | 2.68 | 4.09 | 6.50 | 6603017 |
Series: S-1317 SHUR-LOC® Clevis Hook
Material: Forged alloy steel, quenched and tempered.
Design Factor: 4:1.
Proof Test: Individually proof tested to 2.5 times the Working Load Limit with certification.
Compatibility: Suitable for use with Grade 100 and Grade 80 chain.
Latch: Positive-locking SHUR-LOC® latch is self-locking when the hook is loaded. The recessed trigger is designed to sit flush with the hook body to help protect it from damage.
Performance: Fatigue rated to 20,000 cycles at 1.5 times the Working Load Limit.
Deformation Indicator: AA is the Crosby deformation-indicator reference dimension.
| Specification | Value |
|---|---|
| Trade Size | 1/4 in |
| Load Capacity | 4300 lb |
| Suitable For Use With | Grade 100 and Grade 80 Chain |
| Chain Size | 1/4 in |
| Specifications | 4:1 design factor; individually proof tested to 2.5 times WLL; fatigue rated to 20,000 cycles at 1.5 times WLL |
| Series | S-1317 |
| Weight | 1.80 lb |
| Type | SHUR-LOC Self-Locking Clevis Hook |
| Material | Forged Alloy Steel, Quenched and Tempered |
| Grade | 100 |
| Dimensions | Drawing dimensions (in): C = 4.48; D = 1.10; E = 3.51; G = 6.25; J = 0.81; AA = 2.00 |