
LIFTING
SAFETY
sales@liftingsafety.co.uk
+44 (0)1977 684 600
- Lifting Equipment
-
Height Safety
Height Safety Equipment
- Material Handling & Jacking Equipment
- Shop by Brand
- Clearance
-
Contact
Get In Touch
- Home/
- Lifting Equipment/
- Rigging Gear; Riggers Lifting Equipment/
- Crosby Lifting Equipment & Rigging Catalogue/
- Crosby Lifting/Lashing Chain Slings Components/
- Crosby Links and Assemblies/
- Crosby Connecting Links/
- Crosby 'A1337' LOK-A-LOY Alloy Connecting Link, WLL Range from 2000kg to 41000kg
- Suitable for use with both Grade 80 and Grade 100 chain.
- Individually Proof Tested at 2-1/2 times Working Load Limit with certification.
- Locking system that provides for simple assembly and disassembly - no special tools needed.
- 25% stronger than Grade 80.
- Meets ASTM A-952-02 standards for Grade 100 chain fittings.
- Forged Alloy Steel - Quenched and Tempered.
- Sizes 9/32 through 1 inch are fatigue rated.
- "Look for the Platinum Color-Crosby Grade 100 Alloy Products."
Metric Dimensions & Specifications
Chain Size | A-1337 Stock No. | Pkg. Qty. | Weight Each (kg) | Working Load Limit (t)* | Dimensions (mm) | ||||||
(in.) | (mm) | A | B | C | D | E | F | ||||
9/32 (1/4) | 7 | 1015104 | 60 | 0.12 | 2 | 9.65 | 49.3 | 48.3 | 20.6 | 17.5 | 14.5 |
5/16 | 8 | 1015113 | 50 | 0.16 | 2.5 | 9.40 | 59.7 | 52.6 | 25.1 | 18.3 | 16.3 |
3/8 | 10 | 1015122 | 40 | 0.34 | 4 | 12.2 | 68.6 | 62.7 | 28.4 | 22.9 | 19.8 |
1/2 | 13 | 1015136 | 12 | 0.73 | 6.7 | 16.3 | 87.4 | 81.8 | 36.6 | 27.7 | 23.9 |
5/8 | 16 | 1015145 | 10 | 1.30 | 10 | 19.1 | 105 | 96.0 | 43.9 | 35.1 | 28.7 |
3/4 | 20 | 1015154 | 1 | 2.26 | 16 | 23.6 | 118 | 118 | 53.1 | 40.4 | 32.5 |
7/8 | 22 | 1015163 | 1 | 3.41 | 19.4 | 26.9 | 140 | 143 | 58.7 | 50.0 | 36.6 |
1 | 25 | 1015172 | 1 | 5.00 | 27 | 31.0 | 152 | 157 | 63.5 | 56.4 | 47.8 |
1-1/4 | 32 | 1015181 | 1 | 9.25 | 41 | 38.1 | 189 | 194 | 78.5 | 64.3 | 55.6 |

Imperial Dimensions & Specifications
Chain Size | A-1337 Stock No. | Pkg Qty. | Weight Each (lbs.) | Working Load Limit (lbs.)* | Dimensions (in.) | ||||||
(in.) | (mm) | A | B | C | D | E | F | ||||
9/32 (1/4) | 7 | 1015104 | 60 | .28 | 4300 | 0.38 | 1.94 | 1.90 | 0.81 | 0.69 | 0.57 |
5/16 | 8 | 1015113 | 50 | .33 | 5700 | 0.37 | 2.35 | 2.07 | 0.99 | 0.72 | 0.64 |
3/8 | 10 | 1015122 | 40 | .73 | 8800 | 0.48 | 2.70 | 2.47 | 1.12 | 0.90 | 0.78 |
1/2 | 13 | 1015136 | 12 | 1.67 | 15000 | 0.68 | 3.45 | 3.31 | 1.44 | 1.12 | 0.97 |
5/8 | 16 | 1015145 | 10 | 2.86 | 22600 | 0.781 | 4.13 | 3.90 | 1.72 | 1.35 | 1.14 |
3/4 | 20 | 1015154 | 1 | 5.00 | 35300 | 0.93 | 4.62 | 4.62 | 2.03 | 1.62 | 1.28 |
7/8 | 22 | 1015163 | 1 | 7.50 | 42700 | 1.06 | 5.46 | 5.46 | 2.27 | 2.00 | 1.49 |
1 | 25 | 1015172 | 1 | 11.03 | 59700 | 1.22 | 5.98 | 6.13 | 2.44 | 2.25 | 1.76 |
1-1/4 | 32 | 1015181 | 1 | 20.38 | 90400 | 1.50 | 7.43 | 7.59 | 3.07 | 2.56 | 2.23 |
*Ultimate Load is 4 times the Working Load Limit.
- Suitable for use with both Grade 80 and Grade 100 chain.
- Individually Proof Tested at 2-1/2 times Working Load Limit with certification.
- Locking system that provides for simple assembly and disassembly - no special tools needed.
- 25% stronger than Grade 80.
- Meets ASTM A-952-02 standards for Grade 100 chain fittings.
- Forged Alloy Steel - Quenched and Tempered.
- Sizes 9/32 through 1 inch are fatigue rated.
- "Look for the Platinum Color-Crosby Grade 100 Alloy Products."
Metric Dimensions & Specifications
Chain Size | A-1337 Stock No. | Pkg. Qty. | Weight Each (kg) | Working Load Limit (t)* | Dimensions (mm) | ||||||
(in.) | (mm) | A | B | C | D | E | F | ||||
9/32 (1/4) | 7 | 1015104 | 60 | 0.12 | 2 | 9.65 | 49.3 | 48.3 | 20.6 | 17.5 | 14.5 |
5/16 | 8 | 1015113 | 50 | 0.16 | 2.5 | 9.40 | 59.7 | 52.6 | 25.1 | 18.3 | 16.3 |
3/8 | 10 | 1015122 | 40 | 0.34 | 4 | 12.2 | 68.6 | 62.7 | 28.4 | 22.9 | 19.8 |
1/2 | 13 | 1015136 | 12 | 0.73 | 6.7 | 16.3 | 87.4 | 81.8 | 36.6 | 27.7 | 23.9 |
5/8 | 16 | 1015145 | 10 | 1.30 | 10 | 19.1 | 105 | 96.0 | 43.9 | 35.1 | 28.7 |
3/4 | 20 | 1015154 | 1 | 2.26 | 16 | 23.6 | 118 | 118 | 53.1 | 40.4 | 32.5 |
7/8 | 22 | 1015163 | 1 | 3.41 | 19.4 | 26.9 | 140 | 143 | 58.7 | 50.0 | 36.6 |
1 | 25 | 1015172 | 1 | 5.00 | 27 | 31.0 | 152 | 157 | 63.5 | 56.4 | 47.8 |
1-1/4 | 32 | 1015181 | 1 | 9.25 | 41 | 38.1 | 189 | 194 | 78.5 | 64.3 | 55.6 |

Imperial Dimensions & Specifications
Chain Size | A-1337 Stock No. | Pkg Qty. | Weight Each (lbs.) | Working Load Limit (lbs.)* | Dimensions (in.) | ||||||
(in.) | (mm) | A | B | C | D | E | F | ||||
9/32 (1/4) | 7 | 1015104 | 60 | .28 | 4300 | 0.38 | 1.94 | 1.90 | 0.81 | 0.69 | 0.57 |
5/16 | 8 | 1015113 | 50 | .33 | 5700 | 0.37 | 2.35 | 2.07 | 0.99 | 0.72 | 0.64 |
3/8 | 10 | 1015122 | 40 | .73 | 8800 | 0.48 | 2.70 | 2.47 | 1.12 | 0.90 | 0.78 |
1/2 | 13 | 1015136 | 12 | 1.67 | 15000 | 0.68 | 3.45 | 3.31 | 1.44 | 1.12 | 0.97 |
5/8 | 16 | 1015145 | 10 | 2.86 | 22600 | 0.781 | 4.13 | 3.90 | 1.72 | 1.35 | 1.14 |
3/4 | 20 | 1015154 | 1 | 5.00 | 35300 | 0.93 | 4.62 | 4.62 | 2.03 | 1.62 | 1.28 |
7/8 | 22 | 1015163 | 1 | 7.50 | 42700 | 1.06 | 5.46 | 5.46 | 2.27 | 2.00 | 1.49 |
1 | 25 | 1015172 | 1 | 11.03 | 59700 | 1.22 | 5.98 | 6.13 | 2.44 | 2.25 | 1.76 |
1-1/4 | 32 | 1015181 | 1 | 20.38 | 90400 | 1.50 | 7.43 | 7.59 | 3.07 | 2.56 | 2.23 |
*Ultimate Load is 4 times the Working Load Limit.
You May Also Like
Contact Us About This Product
Contact Us About This Product
If you wish to receive a quote for this product, please use the tab above, this form is for general enquiries regarding this product only.
Regarding: Crosby 'A1337' LOK-A-LOY Alloy Connecting Link, WLL Range from 2000kg to 41000kg
Did you know?
You can also Request a Quote using the Quote tab above!
You can easily add more than one item to the Quote Request. This is highly recommended as we will be able to suit your needs much more efficiently.