sales@liftingsafety.co.uk
+44 (0)1977 684 600
- Home/
- Lifting Equipment/
- Rigging Gear; Riggers Lifting Equipment/
- Crosby Lifting Equipment & Rigging Catalogue/
- Crosby Rigging Accessories/
- Crosby Lifting Eyes/
- Crosby M279 & S279 Shoulder Eye Machinery Eye Bolts, Metric and Imperial Thread - Range from 200kg to 8500kg

Crosby M279 & S279 Shoulder Eye Machinery Eye Bolts, Metric and Imperial Thread - Range from 200kg to 8500kg
Crosby metric M-279 and Imperial Thread S-279 UNC Shoulder Type Machinery Eye Bolts.
Model:
Crosby S-279 M-279 / USEB-2430


- Forged Steel - Quenched & Tempered.
- Working Load Limits shown are for in-line pull.
- Fatigue rated at 1-1/2 times the Working Load Limit at 20,000 cycles.traceability, not addressed by ASME B30.26.
- Recommended for in-line pull.
- S-279 threaded UNC.
- M-279 metric threaded.
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these bolts meet other critical performance requirements including fatigue life, impact properties and material
M-279 Metric Dimensions & Specifications
Size | M-279 Stock No. | Working Load Limit (kg) | Weight Each (kg) | Dimensions (mm) | |||||||
A** Thread | B | C | D | E | F | G | H | ||||
M6 x 13 | 1045753 | 200 | .03 | M6 x 1.0 | 13.0 | 28.7 | 19.1 | 47.0 | 4.9 | 13.5 | 19.6 |
M8 x 13 | 1045789 | 400 | .05 | M8 x 1.25 | 13.0 | 35.1 | 22.4 | 54.6 | 6.4 | 15.0 | 24.1 |
M10 x 17 | 1045833 | 640 | .07 | M10 x 1.5 | 17.0 | 41.1 | 25.4 | 64.3 | 7.9 | 17.5 | 26.5 |
M12 x 20.5 | 1045869 | 1000 | .11 | M12 x 1.75 | 20.5 | 49.5 | 30.2 | 77.7 | 9.7 | 23.1 | 32.8 |
M16 x 27 | 1045913 | 1800 | .25 | M16 x 2.0 | 27.0 | 60.5 | 35.1 | 96.0 | 12.7 | 28.7 | 38.9 |
M20 x 30 | 1045995 | 2500 | .42 | M20 x 2.5 | 30.0 | 70.0 | 38.1 | 108 | 16.0 | 35.1 | 43.4 |
M24 x 36 | 1046029 | 4000 | 1.05 | M24 x 3.0 | 36.0 | 95.5 | 51.0 | 142 | 22.4 | 46.0 | 58.4 |
M27 x 69.8 | 1046038 | 5000 | 1.42 | M27 x 3.0 | 69.8 | 107 | 57.1 | 183 | 24.6 | 52.3 | 59.7 |
M30 x 45 | 1046075 | 6000 | 1.77 | M30 x 3.5 | 45.0 | 114 | 63.5 | 171 | 25.4 | 58.0 | 69.3 |
M36 x 54 | 1046109 | 8500 | 3.12 | M36 x 4.0 | 54.0 | 140 | 76.0 | 207 | 31.8 | 70.0 | 83.3 |
M42 x 95.2 | 1046118 | 14000 | 4.58 | M42 x 4.5 | 95.2 | 159 | 88.9 | 266 | 35.0 | 76.2 | 91.4 |
M48 x 102 | 1046127 | 17300 | 8.71 | M48 x 5.0 | 102 | 194 | 101 | 313 | 46.0 | 85.9 | 114 |
M64 x 127 | 1046136 | 29500 | 14.74 | M64 x 6.0 | 127 | 223 | 114 | 378 | 53.8 | 108 | 140 |
** On Request: Special threading, as forged bolts for customer conversion.

S-279 UNC Imperial Dimensions & Specifications
Size | S-279 Stock No. | Working Load Limit (lbs) | Weight per 100 (lbs) | Dimensions (in) | |||||||
A** Thread | B | C | D | E | F | G | H | ||||
1/4 x 1 | 9900182 | 650 | 5.00 | 1/4 - 20 | 1.02 | 1.13 | .75 | 2.29 | .19 | .53 | .77 |
5/16 x 1-1/8 | 9900191 | 1200 | 9.00 | 5/16 - 18 | 1.15 | 1.38 | .88 | 2.74 | .25 | .59 | .95 |
3/8 x 1-1/4 | 9900208 | 1550 | 15.00 | 3/8 - 16 | 1.27 | 1.62 | 1.00 | 3.07 | .31 | .69 | 1.05 |
1/2 x 1-1/2 | 9900217 | 2600 | 28.00 | 1/2 - 13 | 1.53 | 1.95 | 1.19 | 3.70 | .38 | .91 | 1.27 |
5/8 x 1-3/4 | 9900226 | 5200 | 55.00 | 5/8 - 11 | 1.79 | 2.38 | 1.38 | 4.45 | .50 | 1.13 | 1.53 |
3/4 x 2 | 9900235 | 7200 | 96.00 | 3/4 - 10 | 2.05 | 2.76 | 1.50 | 5.07 | .63 | 1.38 | 1.71 |
7/8 x 2-1/4 | 9900244 | 10600 | 154.00 | 7/8 - 9 | 2.31 | 3.25 | 1.75 | 5.87 | .75 | 1.56 | 2.00 |
1 x 2-1/2 | 9900253 | 13300 | 238.00 | 1 - 8 | 2.57 | 3.76 | 2.00 | 6.66 | .88 | 1.81 | 2.30 |
1-1/8 x 2-3/4 | 9900257 | 15000 | 320.00 | 1-1/8 - 7 | 2.75 | 4.19 | 2.25 | 7.20 | .97 | 2.06 | 2.35 |
1-1/4 x 3 | 9900262 | 21000 | 399.00 | 1-1/4 - 7 | 3.09 | 4.50 | 2.50 | 7.95 | 1.00 | 2.28 | 2.73 |
1-1/2 x 3-1/2 | 9900271 | 24000 | 720.00 | 1-1/2 - 6 | 3.60 | 5.50 | 3.00 | 9.49 | 1.25 | 2.75 | 3.28 |
1-3/4 x 3-3/4 | 9900280 | 34000 | 1040.00 | 1-3/4 - 5 | 3.75 | 6.26 | 3.50 | 10.48 | 1.38 | 3.00 | 3.60 |
2 x 4 | 9900289 | 42000 | 1880.0 | 2 - 4-1/2 | 4.00 | 7.62 | 4.00 | 12.31 | 1.81 | 3.38 | 4.50 |
2-1/2 x 5 | 9900298 | 65000 | 3250.00 | 2-1/2 - 4 | 5.00 | 8.76 | 4.50 | 14.88 | 2.12 | 4.25 | 5.50 |
* Ultimate Load is 5 times the Working Load Limit. Maximum Proof Load is 2 times the Working Load Limit
** All Bolts Threaded UNC
- Forged Steel - Quenched & Tempered.
- Working Load Limits shown are for in-line pull.
- Fatigue rated at 1-1/2 times the Working Load Limit at 20,000 cycles.traceability, not addressed by ASME B30.26.
- Recommended for in-line pull.
- S-279 threaded UNC.
- M-279 metric threaded.
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these bolts meet other critical performance requirements including fatigue life, impact properties and material
M-279 Metric Dimensions & Specifications
Size | M-279 Stock No. | Working Load Limit (kg) | Weight Each (kg) | Dimensions (mm) | |||||||
A** Thread | B | C | D | E | F | G | H | ||||
M6 x 13 | 1045753 | 200 | .03 | M6 x 1.0 | 13.0 | 28.7 | 19.1 | 47.0 | 4.9 | 13.5 | 19.6 |
M8 x 13 | 1045789 | 400 | .05 | M8 x 1.25 | 13.0 | 35.1 | 22.4 | 54.6 | 6.4 | 15.0 | 24.1 |
M10 x 17 | 1045833 | 640 | .07 | M10 x 1.5 | 17.0 | 41.1 | 25.4 | 64.3 | 7.9 | 17.5 | 26.5 |
M12 x 20.5 | 1045869 | 1000 | .11 | M12 x 1.75 | 20.5 | 49.5 | 30.2 | 77.7 | 9.7 | 23.1 | 32.8 |
M16 x 27 | 1045913 | 1800 | .25 | M16 x 2.0 | 27.0 | 60.5 | 35.1 | 96.0 | 12.7 | 28.7 | 38.9 |
M20 x 30 | 1045995 | 2500 | .42 | M20 x 2.5 | 30.0 | 70.0 | 38.1 | 108 | 16.0 | 35.1 | 43.4 |
M24 x 36 | 1046029 | 4000 | 1.05 | M24 x 3.0 | 36.0 | 95.5 | 51.0 | 142 | 22.4 | 46.0 | 58.4 |
M27 x 69.8 | 1046038 | 5000 | 1.42 | M27 x 3.0 | 69.8 | 107 | 57.1 | 183 | 24.6 | 52.3 | 59.7 |
M30 x 45 | 1046075 | 6000 | 1.77 | M30 x 3.5 | 45.0 | 114 | 63.5 | 171 | 25.4 | 58.0 | 69.3 |
M36 x 54 | 1046109 | 8500 | 3.12 | M36 x 4.0 | 54.0 | 140 | 76.0 | 207 | 31.8 | 70.0 | 83.3 |
M42 x 95.2 | 1046118 | 14000 | 4.58 | M42 x 4.5 | 95.2 | 159 | 88.9 | 266 | 35.0 | 76.2 | 91.4 |
M48 x 102 | 1046127 | 17300 | 8.71 | M48 x 5.0 | 102 | 194 | 101 | 313 | 46.0 | 85.9 | 114 |
M64 x 127 | 1046136 | 29500 | 14.74 | M64 x 6.0 | 127 | 223 | 114 | 378 | 53.8 | 108 | 140 |
** On Request: Special threading, as forged bolts for customer conversion.

S-279 UNC Imperial Dimensions & Specifications
Size | S-279 Stock No. | Working Load Limit (lbs) | Weight per 100 (lbs) | Dimensions (in) | |||||||
A** Thread | B | C | D | E | F | G | H | ||||
1/4 x 1 | 9900182 | 650 | 5.00 | 1/4 - 20 | 1.02 | 1.13 | .75 | 2.29 | .19 | .53 | .77 |
5/16 x 1-1/8 | 9900191 | 1200 | 9.00 | 5/16 - 18 | 1.15 | 1.38 | .88 | 2.74 | .25 | .59 | .95 |
3/8 x 1-1/4 | 9900208 | 1550 | 15.00 | 3/8 - 16 | 1.27 | 1.62 | 1.00 | 3.07 | .31 | .69 | 1.05 |
1/2 x 1-1/2 | 9900217 | 2600 | 28.00 | 1/2 - 13 | 1.53 | 1.95 | 1.19 | 3.70 | .38 | .91 | 1.27 |
5/8 x 1-3/4 | 9900226 | 5200 | 55.00 | 5/8 - 11 | 1.79 | 2.38 | 1.38 | 4.45 | .50 | 1.13 | 1.53 |
3/4 x 2 | 9900235 | 7200 | 96.00 | 3/4 - 10 | 2.05 | 2.76 | 1.50 | 5.07 | .63 | 1.38 | 1.71 |
7/8 x 2-1/4 | 9900244 | 10600 | 154.00 | 7/8 - 9 | 2.31 | 3.25 | 1.75 | 5.87 | .75 | 1.56 | 2.00 |
1 x 2-1/2 | 9900253 | 13300 | 238.00 | 1 - 8 | 2.57 | 3.76 | 2.00 | 6.66 | .88 | 1.81 | 2.30 |
1-1/8 x 2-3/4 | 9900257 | 15000 | 320.00 | 1-1/8 - 7 | 2.75 | 4.19 | 2.25 | 7.20 | .97 | 2.06 | 2.35 |
1-1/4 x 3 | 9900262 | 21000 | 399.00 | 1-1/4 - 7 | 3.09 | 4.50 | 2.50 | 7.95 | 1.00 | 2.28 | 2.73 |
1-1/2 x 3-1/2 | 9900271 | 24000 | 720.00 | 1-1/2 - 6 | 3.60 | 5.50 | 3.00 | 9.49 | 1.25 | 2.75 | 3.28 |
1-3/4 x 3-3/4 | 9900280 | 34000 | 1040.00 | 1-3/4 - 5 | 3.75 | 6.26 | 3.50 | 10.48 | 1.38 | 3.00 | 3.60 |
2 x 4 | 9900289 | 42000 | 1880.0 | 2 - 4-1/2 | 4.00 | 7.62 | 4.00 | 12.31 | 1.81 | 3.38 | 4.50 |
2-1/2 x 5 | 9900298 | 65000 | 3250.00 | 2-1/2 - 4 | 5.00 | 8.76 | 4.50 | 14.88 | 2.12 | 4.25 | 5.50 |
* Ultimate Load is 5 times the Working Load Limit. Maximum Proof Load is 2 times the Working Load Limit
** All Bolts Threaded UNC
Products of Possible Interest
Contact Us About This Product
Save this QR code
for use on Smart Phones
Contact Us About This Product
If you wish to receive a quote for this product, please use the 'Pricing' tab above, this form is for general enquiries regarding this product only.
Did you know?
You can also Request a Quote using the Buy/Quote tab above!
You can easily add more than one item to the Quote Request. This is highly recommend as we will be able to suit your needs much more efficiently.
You can also Request a Quote using the Buy/Quote tab above!
You can easily add more than one item to the Quote Request. This is highly recommend as we will be able to suit your needs much more efficiently.
Share this page!

Save this QR code
for use on Smart Phones