SF Precision Locknut - Flank Locking

Actual product may vary.

SF

The SF Series Precision locknuts employ 30º, 3-point locking. The outstanding design of the brass threads are perfectly matched and prevent any loosening whatsoever.

Material Composition：	DIN 42CrMo4 / JIS SCM440 / AISI 4140
Hardness：	HRC28° ~32°
Thread Precision：	ISO 4H
Manufacturing Method：	High Precision Grinding Run Out M6~M200：0.002mm
	High Precision Turning Run Out M6~M200：0.005mm Run Out M210~M300：0.007mm Run Out M310~M450：0.008mm

Type & Pitch	D	h	d	n×g	t	Screw 3-M	Screw Torque [Nm]	Axial Load Static [kN]	Weight [kg]
SF-M12×1.5P	30	14	25	3×4	2	3-M6	8	40	0.06
SF-M14×1.5P	30	14	25	3×4	2	3-M6	8	60	0.054
SF-M15×1.0P	30	14	25	3×4	2	3-M5	8	60	0.049
SF-M16×1.5P	30	14	25	3×4	2	3-M5	8	60	0.051
SF-M17×1.0P	32	16	27	3×5	2	3-M5	8	80	0.075
SF-M18×1.5P	32	16	27	3×5	2	3-M5	8	80	0.093
SF-M20×1.0P	38	16	33	3×5	2	3-M6	8	110	0.1
SF-M20×1.5P	38	16	33	3×5	2	3-M6	8	110	0.101
SF-M22×1.5P	38	16	33	3×5	2	3-M6	8	130	0.083
SF-M24×1.5P	38	18	33	3×5	2	3-M6	8	130	0.09
SF-M24×1.5P-40	40	18	35	3×5	2	3-M8	18	130	0.09
SF-M25×1.5P	38	18	33	3×5	2	3-M6	8	130	0.092
SF-M25×1.5P-40	40	18	35	3×5	2	3-M8	18	130	0.092
SF-M27×1.5P	40	18	35	3×5	2	3-M6	8	140	0.095
SF-M30×1.5P	45	18	40	3×5	2	3-M6	8	150	0.12
SF-M32×1.5P	47	18	42	3×5	2	3-M6	8	155	0.12
SF-M33×1.5P	50	18	45	3×5	2	3-M6	8	160	0.151
SF-M35×1.5P	52	18	47	3×6	2	3-M8	18	170	0.156
SF-M36×1.5P	52	18	47	3×6	2	3-M8	18	170	0.152
SF-M39×1.5P	58	20	52	3×6	2.5	3-M8	18	210	0.215
SF-M40×1.5P	58	20	52	3×6	2.5	3-M8	18	210	0.21
SF-M42×1.5P	62	20	56	3×6	2.5	3-M8	18	220	0.25
SF-M45×1.5P	65	20	59	3×6	2.5	3-M8	18	240	0.26
SF-M48×1.5P	70	20	64	3×6	2.5	3-M8	18	260	0.31
SF-M50×1.5P	70	20	64	3×6	2.5	3-M8	18	260	0.292
SF-M52×1.5P	73	22	68	3×8	3	3-M8	18	320	0.339
SF-M55×1.5P	75	22	68	3×8	3	3-M8	18	340	0.35
SF-M55×2.0P	75	22	68	3×8	3	3-M8	18	340	0.35
SF-M56×1.5P	75	22	68	3×8	3	3-M8	18	340	0.322
SF-M56×2.0P	75	22	68	3×8	3	3-M8	18	340	0.322
SF-M60×2.0P	80	22	73	3×8	3	3-M8	18	360	0.366
SF-M64×1.5P	85	22	78	3×8	3	3-M8	18	400	0.413
SF-M64×2.0P	85	22	78	3×8	3	3-M8	18	400	0.413
SF-M65×2.0P	85	22	78	3×8	3	3-M8	18	400	0.398
SF-M68×2.0P	92	24	84	3×8	3.5	3-M8	18	470	0.55
SF-M70×2.0P	92	24	84	3×8	3.5	3-M8	18	470	0.518
SF-M72×2.0P	94	24	86	3×8	3.5	3-M8	18	490	0.524
SF-M75×2.0P	98	24	90	3×8	3.5	3-M8	18	500	0.568
SF-M76×2.0P	98	24	90	3×8	3.5	3-M8	18	500	0.553
SF-M80×2.0P	105	24	96	3×8	3.5	3-M8	18	520	0.662
SF-M85×2.0P	110	24	102	6×8	3.5	3-M8	18	540	0.69
SF-M90×2.0P	120	26	108	6×10	4	3-M8	18	610	0.964
SF-M95×2.0P	125	26	113	6×10	4	3-M8	18	640	0.99
SF-M100×2.0P	130	26	118	6×10	4	3-M8	18	660	1.07
SF-M105×2.0P	140	28	125	6×10	4	3-M10	35	700	1.315
SF-M110×2.0P	145	28	132	6×10	4	3-M10	35	770	1.402
SF-M115×2.0P	150	28	137	6×10	4	3-M10	35	820	1.51
SF-M120×2.0P	155	30	142	6×12	5	3-M10	35	890	1.6
SF-M125×2.0P	160	30	147	6×12	5	3-M10	35	920	1.661
SF-M130×2.0P	165	30	152	6×12	5	3-M10	35	950	1.84
SF-M135×2.0P	175	32	160	6×12	5	3-M10	35	1000	2.322
SF-M140×2.0P	180	32	165	6×12	5	3-M10	35	1080	2.31
SF-M145×2.0P	190	32	175	6×12	5	3-M10	35	1130	2.884
SF-M150×2.0P	195	32	180	6×12	5	3-M10	35	1200	2.941
SF-M155×3.0P	200	34	180	6×14	6	3-M10	35	1280	3.15
SF-M160×3.0P	210	34	190	6×14	6	3-M10	35	1360	3.6
SF-M165×3.0P	210	34	190	6×14	6	3-M10	35	1400	3.424
SF-M170×3.0P	220	34	200	6×14	6	3-M10	35	1430	3.97
SF-M180×3.0P	230	36	205	6×16	7	3-M12	60	1600	4.37
SF-M190×3.0P	240	36	215	6×16	7	3-M12	60	1670	4.551
SF-M200×3.0P	250	38	225	6×16	7	3-M12	60	1850	4.83
SF-M210×3.0P	260	38	245	6×16	7	3-M12	60	2200	5.2
SF-M220×3.0P	270	38	255	6×16	9	3-M12	60	2200	5.513
SF-M230×3.0P	280	40	258	6×16	9	3-M12	60	2200	5.619
SF-M240×3.0P	290	40	268	6×16	9	3-M12	60	2300	5.98
SF-M250×3.0P	300	40	278	6×16	9	3-M12	60	2400	6.23
SF-M260×4.0P	310	40	288	6×20	10	3-M14	100	2500	6.459
SF-M270×4.0P	320	40	298	6×20	10	3-M14	100	2600	6.865
SF-M280×4.0P	330	40	308	6×20	10	3-M14	100	2850	7.28
SF-M290×4.0P	340	42	315	6×22	11	3-M14	100	2950	7.532
SF-M300×4.0P	350	42	325	6×22	11	3-M14	100	3100	7.78
SF-M310×4.0P	365	42	340	6×24	12	3-M14	100	_	_
SF-M320×4.0P	375	42	350	6×24	12	3-M14	100	_	_
SF-M330×4.0P	385	42	360	6×24	12	3-M14	100	_	_
SF-M340×4.0P	395	42	370	6×24	12	3-M14	100	_	_
SF-M350×4.0P	405	42	380	6×24	12	3-M14	100	_	_
SF-M360×4.0P	415	44	388	6×26	13	3-M16	150	_	_
SF-M370×4.0P	425	44	398	6×26	13	3-M16	150	_	_
SF-M380×4.0P	435	44	408	6×26	13	3-M16	150	_	_
SF-M390×4.0P	445	44	418	6×26	13	3-M16	150	_	_
SF-M400×4.0P	465	44	438	6×30	13	3-M16	150	_	_
SF-M410×4.0P	475	46	444	6×30	15	3-M16	150	_	_
SF-M420×4.0P	485	46	454	6×30	15	3-M16	150	_	_
SF-M430×4.0P	495	46	464	6×30	15	3-M16	150	_	_
SF-M440×4.0P	505	46	474	6×30	15	3-M16	150	_	_
SF-M450×4.0P	515	46	484	6×30	15	3-M16	150	_	_

Remarks:
‧ All dimensions in mm.
‧ SAK could custom standard, nonstandard and special nuts, size from M5 ~ M1000 and with a varity of materials.
‧ If left hand thread required, please notify “L” after the Type & Pitch. For example: SF-25×1.5P-L
‧ To prevent the locknuts are in short supply, please send your order in advance.
‧ Subject to technical changes.

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SF Precision Locknut - Flank Locking

SF

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