SPIETH Locknuts
Series MSF - Metric

CAD models are available in the table below.

For use under
space-limited
conditions.

Subject to changes. Special versions: On request, by sending of an explanatory sketch. For use under space-limited conditions.

The admissable operating loads specified in the table are guideline values calculated with a safety margin of 1.6 under static stress relative to the minimum yield point.

Designation of a locknut with d1 = M 40 x 1,5:
Locknut MSF 40.1,5

Part Number MSF Click Part # for CAD	Dimensions in mm										Hexalobular socket cheese head clamping screws			Factor	adm. axial operating stress	Mass moment of inertia
	d₁	d₂	d_3^*)	d₄	d_5^*)	d₆	d₇	h₁	h₂	l		M_A	Pcs.	A	stat. Fa	J
	ISO - 5H	h11	h11	d₄	d_5^*)	d₆	d₇	h₁	h₂	l	Size	Nm	Pcs.	mm	kN	kg cm²
MSF 25 x 1.5	M 25x1.5	48	5	36	4.3	39	43	14	3.5	4	20	2,9	4	1,633	26	0,388
MSF 30 x 1.5	M 30x1.5	53	5	41	4.3	44	48	15	3.5	4.5	20	2,9	4	1,921	40	0,624
MSF 35 x 1.5	M 35x1.5	58	5	46	4.3	49	53	15	3.5	4.5	20	2,9	4	2,210	49	0,876
MSF 40 x 1.5	M 40x1.5	63	6	51	4.3	54	58	15	3.5	4.5	20	2,9	4	2,500	57	1,190
MSF 45 x 1.5	M 45x1.5	70	6	56	4.3	59	63	15	3.5	4.5	20	2,9	6	2,789	60	1,695
MSF 50 x 1.5	M 50x1.5	75	6	61	4.3	64	68	16	3.5	5	20	2,9	6	3,079	80	2,387
MSF 55 x 1.5	M 55x1.5	80	6	66	4.3	69	73	16	3.5	5	20	2,9	6	3,369	120	3,018
MSF 55 x 2	M 55x2	80	6	66	4.3	69	73	16	3.5	5	20	2,9	6	3,430	116	3,018
MSF 60 x 1.5	M 60x1.5	89	6	74	5.3	77	82	18	5	5.25	25	6	6	3,655	131	5,340
MSF 60 x 2	M 60x2	89	8	74	5.3	77	82	18	5	5.25	25	6	6	3,719	126	5,340
MSF 65 x 1.5	M 65x1.5	94	8	79	5.3	82	87	18	5	5.25	25	6	6	3,948	144	6,506
MSF 65 x 2	M 65x2	94	8	79	5.3	82	87	18	5	5.25	25	6	6	4,008	139	6,506
MSF 70 x 1.5	M 70x1.5	99	8	84	5.3	87	92	18	5	5.25	25	6	6	4,238	155	7,549
MSF 70 x 2	M 70x2	99	8	84	6.4	87	92	18	5	5.25	25	6	6	4,297	150	7,549
MSF 75 x 1.5	M 75x1.5	106	8	89	6.4	94	99	20	6	5.75	30	10	6	4,525	178	11,240
MSF 75 x 2	M 75x2	1006	8	89	6.4	94	99	20	6	5.75	30	10	6	4,587	172	11,240
MSF 80 x 2	M 80x2	111	8	94	6.4	99	104	20	6	5.75	30	10	6	4,873	186	13,360
MSF 90 x 2	M 90x2	121	8	104	6.4	109	114	20	6	5.75	30	10	6	5,453	214	18,140
MSF 100 x 2	M 100x2	131	8	104	6.4	109	124	20	6	5.75	30	10	6	6,033	242	23,950
*) The number of holes corresponds with the number of clamping screws. For further information, such as functional principle, adjustment, assembly play etc. please attend our works standard sheets SN 04.02 and SN 04.04.