NIKKI Precision Locknut

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Home>Products>MF Locknuts

MF Precision Locknut (Flank Locking)：

The setscrews of locknut intersect a 30° angle with radius which drive the locking brass perfectly stuck on the thread flank of shaft.

‧No thrust washer or keyway needed.

‧Easy to assemble and disassemble.

‧Can be re-used if handled properly.

‧The connecting face and thread area are all produced by high precision grinding process.

‧Material：SCM 440

‧Hardness：HRC 28-32

‧Precision：ISO 4H

‧Axial Run-out：0.002 mm

mf剖面圖

<click to enlarge the drawing>

NIKKI Product Spec

TYPE & Pitch	Dimensions					Axial Load Static kN	Loosening Torque kg-cm	Screw	Screw Torque
TYPE & Pitch	D	h	g	t	d	Axial Load Static kN	Loosening Torque kg-cm	DIN	MAX kg-cm
MF12 x 1.0P	30	14	4	2	25	40	200	M5	48
MF15 x 1.0P	34	16	4	2	26	60	250	M6	80
MF17 x 1.0P	36	16	5	2	28	70	300
MF20 x 1.0P	38	18			32	90	400
MF20 x 1.5P	38				32	90	400
MF25 x 1.5P	42				36	120	800
MF30 x 1.5P	48				43	145	1400
MF35 x 1.5P	53				48	170	1800	M8	190
MF40 x 1.5P	58	20	6	2.5	52	190	2200
MF45 x 1.5P	65				59	220	2500
MF50 x 1.5P	70				64	250	2700
MF55 x 2.0P	75	22	7	3	68	310	2900
MF60 x 2.0P	80				73	350	3100
MF65 x 2.0P	85				78	400	3200
MF70 x 2.0P	92	24	8	3.5	84	450	3400
MF75 x 2.0P	98				90	480	3600
MF80 x 2.0P	105				96	580	3800
MF85 x 2.0P	112				104	620	4000
MF90 x 2.0P	118	26	10	4	108	680	4500
MF100 x 2.0P	128	26	10	4	118	740	5000
MF110 x 2.0P	145	30	12	5	132	800	5500
MF120 x 2.0P	155				142	860	6000
MF130 x 2.0P	165				152	920	6500
MF140 x 2.0P	180	32			165	980	7000	M10	360
MF150 x 2.0P	195	32			180	1050	7500
MF160 x 3.0P	210	34			190	1200	8000
MF170 x 3.0P	220	34			200	1260	8500
MF180 x 3.0P	230	36			205	1370	9000
MF190 x 3.0P	240				220	1430	9500
MF200 x 3.0P	250				230	1500	9900

Remark

‧When ordering above products, please refer to the TYPE & Pitch.
‧If left hand thread required, please notify “L” after the TYPE & Pitch. For example: MF25X1.5P-L
‧If inch thread required, please refer to the TYPE & Pitch. For example: MF25-U20
‧To prevent the locknuts are in short supply, please send your order in advance.