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Crosby M279 & S279 Machinery Shoulder Eye Bolts

Crosby M279 & S279 Machinery Shoulder Eye Bolts

Crosby metric (M-279 - M6-M64) and imperial UNC thread (S-279 - 1/4"-2-1/2") shoulder type machinery eye bolts. 200kg to 29.5 tonne.

Model:

Crosby S-279 & M-279

Quick Ref:

USEB-2430

Crosby Shoulder Lifting Eye Bolt

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 traceability, not addressed by ASME B30.26.

M279 & S279 Features

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.
Recommended for in-line pull.
S-279 threaded UNC.
M-279 metric threaded.

M-279 Metric Dimensions & Specifications

Size	M-279 Stock No.	Working Load Limit (kg)	Weight Each (kg)	Dimensions (mm)
Size	M-279 Stock No.	Working Load Limit (kg)	Weight Each (kg)	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

* Ultimate Load is 5 times the Working Load Limit. Maximum Proof Load is 2 times the Working Load Limit
** On Request: Special threading, as forged bolts for customer conversion.

Crosby Forged Shoulder Type Eye Bolt Dimensions

S-279 UNC Imperial Dimensions & Specifications

Size (in.)	S-279 Stock No.	Working Load Limit (lbs)	Weight per 100 (lbs)	Dimensions (in)
Size (in.)	S-279 Stock No.	Working Load Limit (lbs)	Weight per 100 (lbs)	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

Alternative Eye Bolts

Crosby S279 and M279 shoulder eye bolts are just one of the many different lifting eyes that we offer, so if the S/M279 range doesn't quite cover what you need, there is a good chance that one of our alternative lifting eye bolts will meet your requirements.

Technical Datasheet for S279/M279

Full Crosby technical datasheet for S-279 / M-279 shoulder type machinery eyebolts.

(approx. 0.2Mb)

Crosby-catalogue-page-number-172-173.pdf

Product Warnings

PDF containing all warning information relevant to the safe use of this product

(approx. 0.1Mb)

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Type

Part N°	Type	Thread (mm)	Working Load Limit (kg)	Weight Each (kg)	Unit Price
2430-T3741 1045753	M279	M6 x 1.0	200	0.03	Quote Required
2430-T3742 1045789	M279	M8 x 1.25	400	0.05	Quote Required
2430-T3743 1045833	M279	M10 x 1.5	640	0.07	Quote Required
2430-T3744 1045869	M279	M12 x 1.75	1000	0.11	Quote Required
2430-T3745 1045913	M279	M16 x 2.0	1800	0.25	Quote Required
2430-T3746 1045995	M279	M20 x 2.5	2500	0.42	Quote Required
2430-T3747 1046029	M279	M24 x 3.0	4000	1.05	Quote Required
2430-T3748 1046038	M279	M27 x 69.8	5000	1.42	Quote Required
2430-T3749 1046075	M279	M30 x 3.5	6000	1.77	Quote Required
2430-T22750 1046109	M279	M36 x 4.0	8500	3.12	Quote Required
2430-T22751 1046118	M279	M42 x 4.5	14000	4.58	Quote Required
2430-T22752 1046127	M279	M48 x 5.0	17300	8.71	Quote Required
2430-T26992 1046136	M279	M64 x 6.0	29500	14.74	Quote Required
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Crosby Shoulder Lifting Eye Bolt

M279 & S279 Features

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.
Recommended for in-line pull.
S-279 threaded UNC.
M-279 metric threaded.

M-279 Metric Dimensions & Specifications

Size	M-279 Stock No.	Working Load Limit (kg)	Weight Each (kg)	Dimensions (mm)
Size	M-279 Stock No.	Working Load Limit (kg)	Weight Each (kg)	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

* Ultimate Load is 5 times the Working Load Limit. Maximum Proof Load is 2 times the Working Load Limit
** On Request: Special threading, as forged bolts for customer conversion.

S-279 UNC Imperial Dimensions & Specifications

Size (in.)	S-279 Stock No.	Working Load Limit (lbs)	Weight per 100 (lbs)	Dimensions (in)
Size (in.)	S-279 Stock No.	Working Load Limit (lbs)	Weight per 100 (lbs)	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