NIKKI PRECISION LOCKNUT
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Best Flank Angle Locking Series
HKF Locknuts
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30˚ Flank Locking Series
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Best Flank Angle Locking Series
HKF Locknuts
Categories list
HKF
- Best Flank Angle Locking Series
Outperform 30° Flank Locking Nuts
Thanks to NIKKI's design patent, the difference between the locking torque and the surface pressure of the Best Flank Angle Locking Series locknuts stays within 10%. This series effectively prevents the systems from overheating, loosening, and making noises. The
locking stability enables customers to achieve higher product performance.
No thrust washer or keyway needed
Easy to assemble and disassemble
Reusable if handled properly
The contact surface and thread area are all produced by a
high-precision grinding process
.
Material: JIS SCM440 / DIN42CrMo4
Hardness: HRC 28-32
Precision: ISO 4H
Maximum axial run-out: 0.002 mm
HKF Product Specification
Name
Dimensions in mm
Set Screw Data
d0_ISO 4H
D
h
d
n
g
t
n-M
Max. Torque_Nm
HKF15X1.0P
M15X1
30
14
25
3
4
2
3-M6
8
HKF17X1.0P
M17X1
32
16
27
3
4
2
3-M6
8
HKF20X1.0P
M20X1
38
16
33
3
4
2
3-M6
8
HKF20X1.5P
M20X1.5
38
16
33
3
4
2
3-M6
8
HKF25X1.5P
M25X1.5
38
18
33
3
5
2
3-M6
8
HKF30X1.5P
M30X1.5
45
18
40
3
5
2
3-M6
8
HKF35X1.5P
M35X1.5
52
18
47
3
5
2
3-M8
19
HKF40X1.5P
M40X1.5
58
20
52
3
6
2.5
3-M8
19
HKF45X1.5P
M45X1.5
65
20
59
3
6
2.5
3-M8
19
HKF50X1.5P
M50X1.5
70
20
64
3
6
2.5
3-M8
19
HKF55X1.5P
M55X1.5
75
22
68
3
7
3
3-M8
19
HKF55X2.0P
M55X2
75
22
68
3
7
3
3-M8
19
HKF60X1.5P
M60X1.5
80
22
73
3
7
3
3-M8
19
HKF60X2.0P
M60X2
80
22
73
3
7
3
3-M8
19
HKF65X1.5P
M65X1.5
85
22
78
3
7
3
3-M8
19
HKF65X2.0P
M65X2
85
22
78
3
7
3
3-M8
19
HKF70X1.5P
M70X1.5
92
24
84
3
8
3.5
3-M8
19
HKF70X2.0P
M70X2
92
24
84
3
8
3.5
3-M8
19
HKF75X1.5P
M75X1.5
98
24
90
3
8
3.5
3-M8
19
HKF75X2.0P
M75X2
98
24
90
3
8
3.5
3-M8
19
HKF80X2.0P
M80X2
105
24
96
3
8
3.5
3-M8
19
HKF85X2.0P
M85X2
110
24
102
6
8
3.5
6-M8
19
HKF90X2.0P
M90X2
120
26
108
6
10
4
6-M8
19
HKF95X2.0P
M95X2
125
26
113
6
10
4
6-M8
19
HKF100X2.0P
M100X2
130
26
118
6
10
4
6-M8
19
HKF105X2.0P
M105X1
140
28
125
6
10
4
6-M10
36
HKF110X2.0P
M110X2
145
28
132
6
10
4
6-M10
36
HKF115X2.0P
M115X2
150
28
137
6
10
4
6-M10
36
HKF120X2.0P
M120X2
155
30
142
6
12
5
6-M10
36
HKF125X2.0P
M125X2
160
30
147
6
12
5
6-M10
36
HKF130X2.0P
M130X2
165
30
152
6
12
5
6-M10
36
HKF135X2.0P
M135X2
175
32
160
6
12
5
6-M10
36
HKF140X2.0P
M140X2
180
32
165
6
12
5
6-M10
36
HKF145X2.0P
M145X2
190
32
175
6
12
5
6-M10
36
HKF150X2.0P
M150X2
195
32
180
6
12
5
6-M10
36
HKF155X3.0P
M155X3
200
34
180
6
14
6
6-M10
36
HKF160X3.0P
M160X3
210
34
190
6
14
6
6-M10
36
HKF165X3.0P
M165X3
210
34
190
6
14
6
6-M10
36
HKF170X3.0P
M170X3
220
34
200
6
14
6
6-M10
36
HKF180X3.0P
M180X3
230
36
205
6
16
7
6-M12
60
HKF190X3.0P
M190X3
240
36
215
6
16
7
6-M12
60
HKF200X3.0P
M200X3
250
38
225
6
16
7
6-M12
60
Remark
When ordering above products, please refer to the Name. For example: HKF30x1.5P
If a left-hand thread is required, please notify “L” after the Name. For example: HKF30x1.5P-L
If an inch thread is required, please notify “U” after the Name. For example: HKF30-U18
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