Precision Locknuts

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YSF

YSF

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

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  • Material Composition:SCM440(42CrMo4)

  • Hardness:HRC28° ~32°

  • Thread Precision:ISO 4H

  • Manufacturing Method: High Precision Grinding

  • Run Out M14~200:0.002mm

  • Manufacturing Method:High Precision Turning

  • Run Out M14~200:0.005mm

  • Run Out M210~300:0.007mm

 
 
YSF YSF
Thread D h d n-txg m MAX Nm CAD Download
YSF
M14x1.5
30 14 25 3-4x2 M5 4.5 x_t
YSF
M15x1
x_t
YSF
M16x1.5
x_t
YSF
M17x1
32 16 27 x_t
YSF
M18x1.5
x_t
YSF
M20x1
38 33 M6 x_t
YSF
M20x1.5
8.0 x_t
YSF
M22x1.5
x_t
YSF
M24x1.5
18 3-5x2 x_t
YSF
M25x1.5
x_t
YSF
M27x1.5
40 35 x_t
YSF
M30x1.5
45 40 x_t
YSF
M33x1.5
50 45 x_t
YSF
M35x1.5
52 47 M8 18.0 x_t
YSF
M36x1.5
x_t
YSF
M39x1.5
58 20 52 3-6x2.5 x_t
YSF
M40x1.5
x_t
YSF
M42x1.5
62 56 x_t
YSF
M45x1.5
65 59 x_t
YSF
M48x1.5
70 64 x_t
YSF
M50x1.5
x_t
YSF
M52x1.5
73 22 66 3-7x3 x_t
YSF
M55x1.5
75 68 x_t
YSF
M55x2
x_t
YSF
M56x2
x_t
YSF
M60x2
80 73 x_t
YSF
M64x2
85 78 x_t
YSF
M65x2
x_t
YSF
M68x2
92 24 84 3-8x3.5 x_t
YSF
M70x2
x_t
YSF
M72x2
94 86 x_t
YSF
M75x2
98 90 x_t
YSF
M76x2
x_t
YSF
M80x2
105 96 3-8x3.5 x_t
YSF
M85x2
110 102 6-8x3.5 x_t
YSF
M90x2
120 26 108 6-10x4 x_t
YSF
M95x2
125 113 x_t
YSF
M100x2
130 26 118 6-10x4 M8 18.0 x_t
YSF
M105x2
140 28 125 M10 35.0 x_t
YSF
M110x2
145 132 x_t
YSF
M115x2
150 137 x_t
YSF
M120x2
155 30 142 6-12x5 x_t
YSF
M125x2
160 147 x_t
YSF
M130x2
165 152 x_t
YSF
M135x2
175 32 160 x_t
YSF
M140x2
180 165 x_t
YSF
M145x2
190 175 x_t
YSF
M150x2
195 180 x_t
YSF
M155x3
200 34 180 6-14x6 x_t
YSF
M160x3
210 190 x_t
YSF
M165x3
210 190 x_t
YSF
M170x3
220 200 x_t
YSF
M180x3
230 36 205 6-16x7 M12 60.0 x_t
YSF
M190x3
240 215 x_t
YSF
M200x3
250 38 225 x_t
YSF
M210x3
260 38 245 x_t
YSF
M220x3
270 38 255 x_t
YSF
M230x3
280 40 258 6-16x9 x_t
YSF
M240x3
290 40 268 x_t
YSF
M250x3
300 40 278 x_t
YSF
M260x4
310 40 288 6-20x10 M14 100.0 x_t
YSF
M270x4
320 40 298 x_t
YSF
M280x4
330 40 308 x_t
YSF
M290x4
340 42 315 6-22x11 x_t
YSF
M300x4
350 42 325 x_t
YSR

YSR

YSR Radial Locknut. The YSR Series locknuts employ 3-way radial locking. Thickness is comparatively thinner than other products. This series is especially applicable for use when locknut space is limited. Aside from where other products are not usable due to space restrictions.

More
  • Material Composition:SCM440(42CrMo4)

  • Hardness:HRC28° ~32°

  • Thread Precision:ISO 4H

  • Manufacturing Method: High Precision Grinding

  • Run Out M6~200:0.002mm

  • Manufacturing Method:High Precision Turning

  • Run Out M6~200:0.005mm

  • Run Out M210~300:0.007mm

 
 
YSR YSR
Thread D h g t d n-m MAX Nm CAD Download
YSR
M6x0.5
16 8 3 2 11 2-M4 3.5 x_t
YSR
M8x0.75
x_t
YSR
M10x0.75
18 13 x_t
YSR
M10x1
x_t
YSR
M12x1
20 15 x_t
YSR
M12x1.25
x_t
YSR
M14x1.5
25 20 x_t
YSR
M15x1
x_t
YSR
M16x1.5
28 10 4 23 2-M5 4.5 x_t
YSR
M17x1
x_t
YSR
M18x1.5
30 25 x_t
YSR
M20x1
32 27 3-M5 x_t
YSR
M20x1.5
x_t
YSR
M22x1.5
35 30 x_t
YSR
M24x1.5
38 12 5 33 3-M6 8.0 x_t
YSR
M25x1.5
x_t
YSR
M27x1.5
42 37 x_t
YSR
M30x1.5
45 40 x_t
YSR
M33x1.5
52 45 x_t
YSR
M35x1.5
47 x_t
YSR
M36x1.5
55 14 6 2.5 49 x_t
YSR
M39x1.5
58 52 x_t
YSR
M40x1.5
x_t
YSR
M42x1.5
62 56 x_t
YSR
M45x1.5
65 59 x_t
YSR
M48x1.5
68 62 x_t
YSR
M50x1.5
70 64 3-M8 x_t
YSR
M52x1.5
73 16 7 3 66 18.0 x_t
YSR
M55x1.5
75   x_t
YSR
M55x2
75 68 x_t
YSR
M56x2
77 70 x_t
YSR
M60x2
80 73 x_t
YSR
M64x2
85 78 x_t
YSR
M65x2
x_t
YSR
M68x2
92 18 8 3.5 84 x_t
YSR
M70x2
x_t
YSR
M72x2
95 86 x_t
YSR
M75x2
98 90 x_t
YSR
M76x2
100 92 x_t
YSR
M80x2
105 96 x_t
YSR
M85x2
110 102 x_t
YSR
M90x2
120 20 10 4 108 x_t
YSR
M95x2
125 113 x_t
YSR
M100x2
130 118 x_t
YSR
M105x2
140 22 12 5 125 x_t
YSR
M110x2
145 132 x_t
YSR
M115x2
150 137 x_t
YSR
M120x2
155 24 142 x_t
YSR
M125x2
160 147 x_t
YSR
M130x2
165 152 x_t
YSR
M135x2
175 26 14 6 160 3-M10 35.0 x_t
YSR
M140x2
180 165 x_t
YSR
M145x2
190 175 x_t
YSR
M150x2
195 180 x_t
YSR
M155x3
200 28 16 7 180 x_t
YSR
M160x3
210 190 x_t
YSR
M165x3
210 190 x_t
YSR
M170x3
220 200 x_t
YSR
M180x3
230 30 18 8 205 3-M12 60.0 x_t
YSR
M190x3
240 215 x_t
YSR
M200x3
250 32 225 x_t
YSR
M210x3
260 240 x_t
YSR
M220x3
270 250 x_t
YSR
M230x3
280 34 20 9 258 x_t
YSR
M240x3
290 268 x_t
YSR
M250x3
300 278 x_t
YSR
M260x4
310 22 10 288 3-M14 100 x_t
YSR
M270x4
320 298 x_t
YSR
M280x4
330 308 x_t
YSR
M290x4
340 36 24 11 315 x_t
YSR
M300x4
350 325 x_t
YSA

YSA

YSA Axial Locknut. This locknut employs 3 way axial locking with the same thickness as the YSF series. 3 way axial locking is especially applicable to assembly work within special space constraints.

More
  • Material Composition:SCM440(42CrMo4)

  • Hardness:HRC28° ~32°

  • Thread Precision:ISO 4H

  • Manufacturing Method: High Precision Grinding

  • Run Out M14~200:0.002mm

  • Manufacturing Method:High Precision Turning

  • Run Out M14~200:0.005mm

  • Run Out M210~300:0.007mm

 
 
YSA YSA
Thread D h g t d n-m MAX Nm CAD Download
YSA
M14x1.5
30 14 4 2 25 2-M4 3.5 x_t
YSA
M15x1
x_t
YSA
M16x1.5
x_t
YSA
M17x1
32 16 27 x_t
YSA
M18x1.5
3-M4 x_t
YSA
M20x1
38 33 x_t
YSA
M20x1.5
x_t
YSA
M22x1.5
x_t
YSA
M24x1.5
18 5   x_t
YSA
M25x1.5
x_t
YSA
M27x1.5
40 35 x_t
YSA
M30x1.5
45 40 x_t
YSA
M33x1.5
50 45 x_t
YSA
M35x1.5
52 47 3-M6 8.0 x_t
YSA
M36x1.5
x_t
YSA
M39x1.5
58 20 6 2.5 52 x_t
YSA
M40x1.5
x_t
YSA
M42x1.5
62 56 x_t
YSA
M45x1.5
65 59 x_t
YSA
M48x1.5
70 64 x_t
YSA
M50x1.5
x_t
YSA
M52x1.5
73 22 7 3 66 x_t
YSA
M55x1.5
75 68 x_t
YSA
M55x2
x_t
YSA
M56x2
x_t
YSA
M60x2
80 73 x_t
YSA
M64x2
85 78 x_t
YSA
M65x2
x_t
YSA
M68x2
92 24 8 3.5 84 3-M8 18.0 x_t
YSA
M70x2
x_t
YSA
M72x2
94 86 x_t
YSA
M75x2
98 90 x_t
YSA
M76x2
x_t
YSA
M80x2
105 96 x_t
YSA
M85x2
110 102 x_t
YSA
M90x2
120 26 10 4 108 x_t
YSA
M95x2
125 113 x_t
YSA
M100x2
130 118 x_t
YSA
M105x2
140 28 12 5 125 x_t
YSA
M110x2
145 132 x_t
YSA
M115x2
150 137 x_t
YSA
M120x2
155 30 142 x_t
YSA
M125x2
160 147 x_t
YSA
M130x2
165 152 x_t
YSA
M135x2
175 32 14 6 160 3-M10 35.0 x_t
YSA
M140x2
180 165 x_t
YSA
M145x2
190 175 x_t
YSA
M150x2
195 180 x_t
YSA
M155x3
200 34 16 7 180 x_t
YSA
M160x3
210 190 x_t
YSA
M165x3
210 190 x_t
YSA
M170x3
220 200 x_t
YSA
M180x3
230 36 18 8 205 3-M12 60.0 x_t
YSA
M190x3
240 215 x_t
YSA
M200x3
250 38 225 x_t
YSA
M210x3
260 240 x_t
YSA
M220x3
270 250 x_t
YSA
M230x3
280 40 20 9 258 x_t
YSA
M240x3
290 268 x_t
YSA
M250x3
300 278 x_t
YSA
M260x4
310 22 10 288 3-M14 100.0 x_t
YSA
M270x4
320 298 x_t
YSA
M280x4
330 308 x_t
YSA
M290x4
340 42 24 11 315 x_t
YSA
M300x4
350 325 x_t
YSK

YSK

YSK Precision Clasp Locknut. The YSK Series locknuts utilize the elasticity of the steel body itself, axial locking, and forced locking. With locking capabilities more than three times higher compared to traditional locknuts, this series is aimed at harsh working conditions where locknuts are easily loosened.

More
  • Material Composition:SCM440(42CrMo4)

  • Hardness:HRC28° ~32°

  • Thread Precision:ISO 4H

  • Manufacturing Method: High Precision Turning

  • Run Out M16~200:0.005mm

  • Run Out M210~300:0.007mm

 
 
YSK YSK
Thread D h d n-m x L n b c MAX Nm CAD Download
YSK
M16x1.5
34 18 29 4-M4x12 4 4 24 3.5 x_t
YSK
M17x1
37 32 27 x_t
YSK
M18x1.5
38 33 28 x_t
YSK
M20x1
40 35 30 x_t
YSK
M20x1.5
x_t
YSK
M22x1.5
42 37 32 x_t
YSK
M24x1.5
44 39 34 x_t
YSK
M25x1.5
45 20 40 4-M4x14 5 35 x_t
YSK
M26x1.5
x_t
YSK
M28x1.5
46 43 37 x_t
YSK
M30x1.5
48 45 39 x_t
YSK
M32x1.5
50 22 47 4-M4x16 41 x_t
YSK
M35x1.5
53 50 44 x_t
YSK
M38x1.5
56 53 47 x_t
YSK
M40x1.5
58 55 49 x_t
YSK
M42x1.5
60 51 x_t
YSK
M45x1.5
68 63 6-M4x16 6 6 57 x_t
YSK
M48x1.5
69 25 65 6-M4x18 58 x_t
YSK
M50x1.5
70 66 60 x_t
YSK
M52x1.5
72 68 62 x_t
YSK
M55x1.5
75 71 65 x_t
YSK
M55x2
x_t
YSK
M58x1.5
82 26 77 6-M5x20 70 4.5 x_t
YSK
M60x1.5
84 79 72 x_t
YSK
M60x2
x_t
YSK
M62x1.5
86 28 82 75 x_t
YSK
M65x1.5
88 84 77 x_t
YSK
M65x2
x_t
YSK
M68x1.5
93 87 7 80 x_t
YSK
M70x1.5
95 89 82 x_t
YSK
M70x2
x_t
YSK
M72x1.5
97 91 84 x_t
YSK
M75x1.5
100 94 87 x_t
YSK
M75x2
x_t
YSK
M80x2
110 32 103 6-M6x22 8 95 8.0 x_t
YSK
M85x2
115 108 100 x_t
YSK
M90x2
120 113 105 x_t
YSK
M95x2
125 118 110 x_t
YSK
M100x2
130 123 115 x_t
YSK
M105x2
135 128 120 x_t
YSK
M110x2
140 133 125 x_t
YSK
M115x2
145 34 137 130 x_t
YSK
M120x2
155 36 146 6-M6x25 136 x_t
YSK
M125x2
160 150 140 x_t
YSK
M130x2
165 155 148 x_t
YSK
M140x2
180 38 168 8-M6x25 8 10 160 x_t
YSK
M150x2
190 178 170 x_t
YSK
M160x3
205 40 190 8-M8x30 178 18.0 x_t
YSK
M170x3
215 200 193 x_t
YSK
M180x3
230 213 205 x_t
YSK
M190x3
240 223 215 x_t
YSK
M200x3
245 230 223 x_t
YSK
M210x3
250 42 240 8 232 x_t
YSK
M220x3
260 250 240 x_t
YSK
M230x3
270 260 250 x_t
YSK
M240x3
280 270 260 x_t
YSK
M250x3
290 280 270 x_t
YSK
M260x4
300 43 290 8-M10x30 12 280 35.0 x_t
YSK
M270x4
310 300 290 x_t
YSK
M280x4
320 310 300 x_t
YSK
M290x4
330 320 310 x_t
YSK
M300x4
340 330 320 x_t
YSFR

YSFR

YSFR Precision Locknut. The YSFR type locknut is equipped with three flank fixing thread screws and three radial locking screws. This is especially suitable for customer’s requiring large shaft size locknut tightening with excellent locking torque.

More
  • Material Composition:SCM440(42CrMo4)

  • Hardness:HRC28° ~32°

  • Thread Precision:ISO 4H

  • Manufacturing Method: High precision turning

  • Run Out:0.008mm/p>

 
 
YSFR YSFR
Thread D h d n x g/b t/c m m1 MAX Nm CAD Download
YSFR
M310x4
365 42 340 6x24 Ø22 12 338 M14 M14 100.0 x_t
YSFR
M320x4
375 350 348 x_t
YSFR
M330x4
385 360 358 x_t
YSFR
M340x4
395 370 368 x_t
YSFR
M350x4
405 380 378 x_t
YSFR
M360x4
415 44 388 6x26 Ø24 13 387 M16 M16 150.0 x_t
YSFR
M370x4
425 398 397 x_t
YSFR
M380x4
435 408 407 x_t
YSFR
M390x4
445 418 417 x_t
YSFR
M400x4
465 438 6x30 Ø26 435 x_t
YSFR
M410x4
475 46 444 15 443 x_t
YSFR
M420x4
485 454 452 x_t
YSFR
M430x4
495 464 462 x_t
YSFR
M440x4
505 474 472 x_t
YSFR
M450x4
515 484 482 x_t