Crosby A1342N & A1345N Master Link and Master Link Assemblies, WLL Range from 3120kg to 31 tonnes

We offer here our range of Crosby A1345N Master Link Assemblies. Other wise better known in the UK as a Quad Assembly, they are made from alloy Steel and are quenched and Tempered. Each Individually A1342N quad assembly is proof tested and supplied certified.

A-1342N Master Link

• Alloy Steel - Quenched and Tempered.
• Individually proof tested to values shown with certification.
• Proof tested with fixture sized to prevent localized point loading per ASTM A952.
• Proof test certification shipped with each link.
• All sizes are forged unless otherwise specified.
• “Look for the Platinum Color - Crosby Grade 100 Alloy Products.”
• Engineered Flat for use with S-1325A coupler link.

A-1342N Size		A-1342N Designation Marking	A-1342N Stock No.	Working Load Limit (t)	Proof Load (t)	Weight Each (kg)	Dimensions (mm)
(in.)	(mm)						A	B	C
1/4	6-7	X1	1011403	3.12	7.8	.49	15.2	63.5	127
5/16	8	X2	1011412	4.16	10.4	.77	17.8	69.9	140
3/8	10	X3	1011421	6.40	16.0	1.22	21.3	76.2	152
1/2	13	X4	1011430	10.92	27.3	2.81	27.7	102	203
5/8	16	X5	1011449	16.40	41.0	4.80	34.0	127	229
3/4	19	X6	1011458	25.7	64.2	8.52	41.4	133	267
7/8	22	X7	1011467	31.0	77.6	13.1	47.8	152	305

* Minimum Ultimate Load is 4 times the Working Load Limit. ** Welded.

 

A-1345N Master Link Assembly

• Alloy Steel - Quenched and Tempered.
• Individually proof tested to values shown with certification.
• Proof tested with fixture sized to prevent localized point loading per ASTM A952.
• Proof test certification shipped with each link.
• “Look for the Platinum Color - Crosby Grade 100 Alloy Products.”
• Engineered Flat for use with S-1325A coupler link.

A-1345N Designation Marking	A-1345N Stock No.	Grade 100 Chain Size		Working Load Limit (t)*	Proof Load (t)	Weight Each (kg)	Dimensions (mm)
		(in.)	(mm)				A	B	C	D	E	F	G
X 2	1011501	-	6	3.48	8.7	1.31	17.8	69.9	140	12.7	38.6	85.1	6.10
X 3	1011510	1/4 - 5/16	7 - 8	6.20	15.5	1.99	21.3	76.2	152	14.3	45.0	85.1	7.62
X 4	1011529	3/8	10	9.58	24.0	4.35	27.7	102	203	19.1	59.9	100	8.38
X 5	1011538	1/2	13	16.33	40.9	8.75	34.0	127	229	25.4	89.9	160	12.9
X 6	1011547	5/8	16	24.60	61.5	14.2	38.1	133	267	31.8	100	180	16.5
X 7	1011556	3/4	19	38.44	96.1	24.6	47.8	152	305	38.1	108	203	20.6
X 8	1011565	7/8	22	46.50	116.2	50.9	57.2	203	406	47.8	152	305	22.4

* Minimum Ultimate Load is 4 times the Working Load Limit.