7YRS
HSIANG KAI FU CO., LTD.
886-4-23502590
886-4-23503161
No.9, Jingke 6th Rd., Nantun Dist., Taichung City 408, Taiwan
www.nikki.com.tw

Products

Precision Grinding Locknuts
MF Precision Locknut (Flank Locking):
MF 系列 MF Series

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:JIS SCM440/
DIN42CrMo4/AISI 4140

‧Hardness:HRC 28-32

‧Precision:ISO 4H

‧Thread Run-out with Axial:
0.002 mm

Specification

NIKKI Product Spec

 

TYPE & Pitch Dimensions Axial Load Static
kN
Loosening Torque
kg-cm
Screw Screw Torque
D h g t d DIN MAX kg-cm
MF12 x 1.0P 30 14 4 2 25 40 200 M5 48
MF15 x 1.0P 34 16 26 60 250 M6 80

MF17 x 1.0P

36

5

2

28

70

300

MF20 x 1.0P

38

18

32

90

400

MF20 x 1.5P

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

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

180

1050

7500

MF160 x 3.0P

210

34

190

1200

8000

MF170 x 3.0P

220

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.

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