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Precision Locknuts

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YSLK

YSLK

YSLK locknut uses steel’s elasticity characteristics to securely fix the locknut in the axial direction. This product is especially suited to space restricted applications, or high contamination working environments where the nut could potentially become loosened more easily.

More

  • Material Composition：SCM440(42CrMo4)

  • Hardness：HRC28° ~32°

  • Thread Precision：ISO 4H

  • Parallelism： 0.002mm

  • Run Out：0.002mm

  • Concentricity：0.005mm

 
 
SGL-K SGL-K
Thread D h g t n-m c n-øb MAX Nm CAD Download
YSLK-M16x1.5P 34 14 4 2 2-M4 24 2-ø4 3.5 x_t
YSLK-M17x1.0P 37 16 26 x_t
YSLK-M18x1.5P 38 28 x_t
YSLK-M20x1.0P 40 30 x_t
YSLK-M20x1.5P x_t
YSLK-M25x1.5P 45 18 5 35 2-ø5 x_t
YSLK-M30x1.5P 48 39 x_t
YSLK-M35x1.5P 53 44 x_t
YSLK-M40x1.5P 58 20 6 2.5 49 x_t
YSLK-M45x1.5P 68 57 2-ø6 x_t
YSLK-M50x1.5P 70 60 x_t
YSLK-M55x1.5P 75 22 7 3 65 -
YSLK-M55x2.0P x_t
YSLK-M60x1.5P 84 2-M5 72 4.5 -
YSLK-M60x2.0P x_t
YSLK-M65x1.5P 88 77 -
YSLK-M65x2.0P x_t
YSLK-M70x1.5P 95 24 8 3.5 82 2-ø7 -
YSLK-M70x2.0P x_t
YSLK-M75x1.5P 100 6-M5 87 -
YSLK-M75x2.0P x_t
YSLK-M80x2.0P 110 6-M6 95 2-ø8 8 x_t
YSLK-M85x2.0P 115 100 x_t
YSLK-M90x2.0P 120 26 10 4 105 x_t
YSLK-M95x2.0P 125 110 x_t
YSLK-M100x2.0P 130 115 x_t
YSLK-M105x2.0P 135 28 120 x_t
YSLK-M110x2.0P 140 125 x_t
YSLK-M115x2.0P 145 130 x_t
YSLK-M120x2.0P 155 30 12 5 136 x_t
YSLK-M125x2.0P 160 140 x_t
YSLK-M130x2.0P 165 148 x_t
YSLK-M135x2.0P 170 32 153 x_t
YSLK-M140x2.0P 180 160 2-ø10 x_t
YSLK-M145x2.0P 185 165 x_t
YSLK-M150x2.0P 190 170 x_t
YSLK-M155x2.0P 195 34 14 6 6-M8 175 18 x_t
YSLK-M160x3.0P 205 178 x_t
YSLK-M165x3.0P 210 184 -
YSLK-M170x3.0P 215 193 x_t
YSLK-M180x3.0P 230 36 16 7 205 x_t
YSLK-M190x3.0P 240 215 x_t
YSLK-M200x3.0P 245 38 223 x_t
YSLR

YSLR

YSLR locknut uses steel’s elasticity characteristics to securely fix the locknut in the radial direction.
This type of nut is thinner and suited to more narrow applications. The design is very simple and easy to lock. This type of nut is not suitable for high precision requirements as it is more difficult to assure the perpendicularity of the nut at this size.

More

  • Material Composition：SCM440(42CrMo4)

  • Hardness：HRC28° ~32°

  • Thread Precision：ISO 4H

  • Manufacturing Method： High Precision Turning

  • Run Out：0.005mm

 
 
YSLR YSLR
Thread D h g t d n-m MAX Nm CAD Download
YSLR-M12 x 1.0P 24 12 4 2 19 2-M6 8 x_t
YSLR-M14 x 1.0P 26 21 x_t
YSLR-M15 x 1.0P 30 25 x_t
YSLR-M17 x 1.0P 32 27 x_t
YSLR-M18 x 1.0P x_t
YSLR-M20 x 1.0P 35 30 x_t
YSLR-M22 x 1.5P x_t
YSLR-M25 x 1.5P 40 5 35 x_t
YSLR-M30 x 1.5P 45 40 x_t
YSLR-M32 x 1.5P 46 41 -
YSLR-M35 x 1.5P 50 45 x_t
YSLR-M38 x 1.5P 52 47 -
YSLR-M40 x 1.5P 55 6 2.5 49 x_t
YSLR-M42 x 1.5P 56 50 -
YSLR-M45 x 1.5P 60 54 x_t
YSLR-M50 x 1.5P 65 59 x_t
YSLR-M52 x 1.5P 67 61 -
YSLR-M55 x 2.0P 75 15 7 3 68 2-M8 18 x_t
YSLR-M60 x 2.0P 80 73 x_t
YSLR-M65 x 2.0P 85 78 x_t
YSLR-M70 x 2.0P 90 8 3.5 82 x_t
YSLR-M75 x 2.0P 95 87 x_t
YSLR-M80 x 2.0P 105 97 x_t
YSLR-M85 x 2.0P 110 102 x_t
YSLR-M90 x 2.0P 115 10 4 106 x_t
YSLR-M95 x 2.0P 120 111 x_t
YSLR-M100 x 2.0P 125 116 x_t
YSLR-M105 x 2.0P 130 20 12 5 119 x_t
YSLR-M110 x 2.0P 135 124 x_t
YSLR-M115 x 2.0P 140 129 x_t
YSLR-M120 x 2.0P 145 134 x_t
YSLR-M125 x 2.0P 150 139 x_t
YSLR-M130 x 2.0P 155 144 x_t
YSLR-M135 x 2.0P 165 14 6 152 2-M10 35 x_t
YSLR-M140 x 2.0P 170 157 x_t
YSLR-M145 x 2.0P 175 162 x_t
YSLR-M150 x 2.0P 180 167 x_t
YSAM

YSAM

YSAM locknut uses steel’s elasticity characteristics to securely fix the locknut in the axial direction.

More

  • Material Composition：SCM440(42CrMo4)

  • Hardness：HRC28° ~32°

  • Thread Precision：ISO 4H

  • Manufacturing Method：Precision Grinding

  • Run Out：0.002mm

  • Manufacturing Method：Precision Turning

  • Run Out：0.005mm

 
 
YSAM YSAM
Thread D h n-m n-øb c MAX Nm CAD Download
YSAM-
M15x1.0P		 30 18 4-M5 4-ø4 24 4.5 x_t
YSAM-
M17x1.0P		 32 26 x_t
YSAM-
M20x1.0P		 38 4-M6 31 8 x_t
YSAM-
M25x1.5P		 45 20 4-ø5 38 x_t
YSAM-
M30x1.5P		 52 45 x_t
YSAM30/65-
M30x1.5P		 65 30 4-ø6 x_t
YSAM-
M35x1.5P		 22 58 x_t
YSAM35/58-
M35x1.5P		 58 20 4-ø5 51 x_t
YSAM-
M40x1.5P		 65 22 4-ø6 58 x_t
YSAM40/85-
M40x1.5P		 85 32 x_t
YSAM-
M45x1.5P		 70 22 6-M6 6-ø6 63 x_t
YSAM-
M50x1.5P		 75 25 68 x_t
YSAM-
M55x2.0P		 85 26 6-M8 75 18 x_t
YSAM-
M60x2.0P		 90 80 x_t
YSAM-
M65x2.0P		 100 6-ø8 88 x_t
YSAM-
M70x2.0P		 28 90 x_t
YSAM-
M75x2.0P		 115 30 6-M10 102 35 x_t
YSAM-
M80x2.0P		 110 98 x_t
YSAM-
M85x2.0P		 115 102 x_t
YSAM-
M90x2.0P		 130 32 118 x_t
YSAM-
M100x2.0P		 30 8-M10 8-ø8 x_t
YSAM-
M110x2.0P		 140 128 x_t
YSAM-
M120x2.0P		 155 142 x_t
YSAM-
M130x2.0P		 165 152 x_t
YSMSW

YSMSW

YSMSW locknut uses steel’s elasticity characteristics to securely fix the locknut in the axial direction. This type of nut is thicker and the outer diameter is larger, making this nut suitable for heavier axial loads.

More

  • Material Composition：SCM440(42CrMo4)

  • Hardness：HRC28° ~32°

  • Thread Precision：ISO 4H

  • Manufacturing Method： High Precision Turning

  • Run Out：0.005mm

 
 
YSMSW YSMSW
Thread D h h1 g t d n-m MAX Nm CAD Download
YSMSW 20/28 -M20x1.5P 42 28 11 6 2.5 38 4-M4 3.5 x_t
YSMSW 20/40 -M20x1.5P 52 40 7 3 42 x_t
YSMSW 25/28 -M25x1.5P 47 28 43 x_t
YSMSW 25/40 -M20x1.5P 62 40 8 3.5 47 x_t
YSMSW 30/28 -M30x1.5P 52 28 7 3 48 x_t
YSMSW 30/44 -M30x1.5P 68 44 8 3.5 52 x_t
YSMSW 35/28 -M35x1.5P 60 28 53 x_t
YSMSW 35/44 -M35x1.5P 73 44 60 x_t
YSMSW 40/28 -M40x1.5P 65 28 58 6-M4 x_t
YSMSW 40/44 -M40x1.5P 75 44 62 x_t
YSMSW 45/28 -M45x1.5P 70 28 63 x_t
YSMSW 45/44 -M45x1.5P 90 44 10 4 70 x_t
YSMSW 50/32 -M50x1.5P 75 32 8 3.5 68 x_t
YSMSW 50/46 -M50x1.5P 95 46 10 4 75 x_t
YSMSW 55/46 -M55x1.5P 100 12 80 6-M5 4.5 x_t
YSMSW 60/46 -M60x1.5P 85 x_t
YSMSW 65/46 -M65x1.5P 110 90 x_t
YSMSW 70/46 -M70x1.5P 115 95 x_t
YSFT

YSFT

YSFT locks the threads from a 30° angle direction with three point locks. The advantages of this design are that the brass locking threads can fully contact the male threads, thus ensuring the assembled accuracy.

More

  • Material Composition：SCM440(42CrMo4)

  • Hardness：HRC28° ~32°

  • Thread Precision：ISO 4H

  • Manufacturing Method： High Precision Grinding

  • Run Out：0.002mm

  • Manufacturing Method： High Precision Turning

  • Run Out：0.005mm

 
 
YSFT YSFT
Thread D h g t d d1 d2 M n-m MAX Nm CAD Download
YSFT-
M10x0.75P		 28 14 4 2 23 11 21 24 3 - M5 4.5 x_t
YSFT-
M12x1.0P		 30 25 13 23 27 x_t
YSFT-
M15x1.0P		 33 16 28 16 26 30 x_t
YSFT-
M17x1.0P		 37 18 5 33 18 29 34 3 - M6 8 x_t
YSFT-
M20x1.0P		 40 35 21 32 36 x_t
YSFT-
M25x1.5P		 44 20 39 26 36 41 x_t
YSFT-
M30x1.5P		 49 44 32 41 46 x_t
YSFT-
M35x1.5P		 54 22 49 38 46 50 x_t
YSFT-
M40x1.5P		 65 6 2.5 59 42 56 60 x_t
YSFT-
M45x1.5P		 70 64 48 61 65 x_t
YSFT-
M50x1.5P		 75 25 7 3 68 52 65 70 x_t
YSFT-
M55x2.0P		 85 78 58 74 80 3 - M8 18 x_t
YSFT-
M60x2.0P		 90 26 8 3.5 82 62 78 85 x_t
YSFT-
M65x2.0P		 95 28 87 68 83 90 x_t
YSFT-
M70x2.0P		 100 92 72 88 95 x_t
YSFT-
M75x2.0P		 105 97 77 93 100 x_t
YSFT-
M80x2.0P		 110 32 100 83 98 - x_t
YSFT-
M85x2.0P		 120 10 4 110 88 107 - 3 - M10 35 x_t
YSFT-
M90x2.0P		 125 115 93 112 - x_t
YSFT-
M95x2.0P		 130 120 98 117 - x_t
YSFT-
M100x2.0P		 135 125 103 122 - x_t
YSFT-
M110x2.0P		 145 134 112 132 - x_t
YSFT-
M120x2.0P		 155 144 122 142 - x_t
YSFT-
M130x2.0P		 165 12 5 154 132 152 - x_t
YSFT-
M140x2.0P		 175 14 6 164 142 162 - x_t
YSFT-
M150x2.0P		 185 174 152 172 - x_t
YSFT-
M160x3.0P		 195 184 162 182 - x_t
YSFT-
M170x3.0P		 205 194 172 192 - x_t
YSFT-
M180x3.0P		 215 16 7 204 182 202 - x_t
YSFT-
M190x3.0P		 225 214 192 212 - x_t
YSFT-
M200x3.0P		 235 18 8 224 202 222 - x_t
YSFTA

YSFTA

YSFTA uses the same locking method as the YSFT locknut, but this nut has wrench holes on the radius side and back surface side, making it easy for different assembly environment requirements.

More

  • Material Composition：SCM440(42CrMo4)

  • Hardness：HRC28° ~32°

  • Thread Precision：ISO 4H

  • Manufacturing Method： High Precision Grinding

  • Run Out：0.002mm

  • Manufacturing Method： High Precision Turning

  • Run Out：0.005mm

 
 
YSFTA YSFTA
Thread D h d d1 c c1 n-øb n-øb1 n-m MAX Nm CAD Download
YSFTA-M25x1.5P 42 20 35 26 32.5 11 6-ø4.3 6-ø4 3-M6 8 x_t
YSFTA-M30x1.5P 48 40 32 40.5 6-ø5 x_t
YSFTA-M35x1.5P 53 47 38 45.5 x_t
YSFTA-M40x1.5P 58 22 52 42 50.5 12 x_t
YSFTA-M45x1.5P 68 58 48 58 6-ø6 x_t
YSFTA-M50x1.5P 70 24 63 52 61.5 13 x_t
YSFTA-M55x1.5P 75 70 58 66.5 x_t
YSFTA-M60x1.5P 84 75 62 74.5 6-ø5.3 3-M8 18 x_t
YSFTA-M65x1.5P 88 25 80 68 78.5 x_t
YSFTA-M70x1.5P 95 26 86 72 85 14 6-ø8 x_t
YSFTA-M75x1.5P 100 91 77 88 13 6-ø6.4 x_t
YSFTA-M80x2.0P 110 30 97 83 95 16 x_t
YSFTA-M85x2.0P 115 32 102 88 100 17 3-M10 35 x_t
YSFTA-M90x2.0P 120 110 93 108 x_t
YSFTA-M95x2.0P 125 114 98 113 x_t
YSFTA-M100x2.0P 130 120 103 118 x_t
YSFTA-M110x2.0P 140 132 112 128 x_t
YSFTA-M120x2.0P 155 142 122 140 x_t
YSFTA-M130x3.0P 165 156 132 153 x_t
YSFTA-M140x3.0P 180 166 142 165 6-ø10 x_t
YSFTA-M150x3.0P 190 180 152 175 x_t
YSFTA-M160x3.0P 205 190 162 185 6-ø8.4 x_t
YSFTA-M170x3.0P 215 205 172 195 x_t
YSFTA-M180x3.0P 230 215 182 210 x_t
YSFTA-M190x3.0P 240 225 192 224 x_t
YSFTA-M200x3.0P 245 237 202 229 x_t
AN

AN

Simple structure AN locknut, simultaneously machined threading and end face, ensuring minimum deviation error.

More

  • Material Composition：S45C(C45E4)

  • Hardness：HRC26° ~28°

  • Thread Precision：ISO 4H

  • Manufacturing Method： High Precision Turning

  • Run Out：0.005mm

 
 
AN AN
Thread D h g t d CAD Download
AN 0-M10x0.75P 18 4 3 2 13.5 x_t
AN 1-M12x1.0P 22 17 x_t
AN 2-M15x1.0P 25 5 4 21 x_t
AN 3-M17x1.0P 28 24 x_t
AN 4-M20x1.0P 32 6 26 x_t
AN 5-M25x1.5P 38 7 5 32 x_t
AN 6-M30x1.5P 45 38 x_t
AN 7-M35x1.5P 52 8 44 x_t
AN 8-M40x1.5P 58 9 6 2.5 50 x_t
AN 9-M45x1.5P 65 10 56 x_t
AN 10-M50x1.5P 70 11 61 x_t
AN 11-M55x2.0P 75 7 3 67 x_t
AN 12-M60x2.0P 80 73 x_t
AN 13-M65x2.0P 85 12 79 x_t
AN 14-M70x2.0P 92 8 3.5 85 x_t
AN 15-M75x2.0P 98 13 90 x_t
AN 16-M80x2.0P 105 15 95 x_t
AN 17-M85x2.0P 110 16 102 x_t
AN 18-M90x2.0P 120 10 4 108 x_t
AN 19-M95x2.0P 125 17 113 x_t
AN 20-M100x2.0P 130 18 120 x_t
AN 21-M105x2.0P 140 12 5 126 x_t
AN 22-M110x2.0P 145 19 133 x_t
AN 23-M115x2.0P 150 137 x_t
AN 24-M120x2.0P 155 20 138 x_t
AN 25-M125x2.0P 160 21 148 x_t
AN 26-M130x2.0P 165 149 x_t
AN 27-M135x2.0P 175 22 14 6 160 x_t
AN 28-M140x2.0P 180 x_t
AN 29-M145x2.0P 190 24 172 x_t
AN 30-M150x2.0P 195 171 x_t
AN 31-M155x2.0P 200 25 16 7 182 x_t
AN 32-M160x3.0P 210 x_t
AN 33-M165x3.0P 26 193 x_t
AN 34-M170x3.0P 220 x_t
AN 36-M180x3.0P 230 27 18 8 203 x_t
AN 38-M190x3.0P 240 28 214 x_t
AN 40-M200x3.0P 250 29 226 x_t
YSRN

YSRN

The square outer shape YSRN locknut features two point brass locking screws in a 90° position. Suitable for bearing seat support. Inner threads and end surfaces are simultaneously machined ensuring assembly accuracy.

More

  • Material Composition：S45C(C45E4)

  • Hardness：HRC26° ~28°

  • Thread Precision：ISO 4H

  • Manufacturing Method： High Precision Turning

  • Run Out：0.005mm

 
 
YSRN YSRN
Thread D h d1 n-m c1 S MAX Nm CAD Download
YSRN- M5x0.5P 12.5 5 8 2-M3 2.7 11 0.9 x_t
YSRN-M6x0.75P 13.5 9 12 x_t
YSRN- M8x1.0P 16 6.5 11 4 14 x_t
YSRN-M10x1.0P 19 8 13 5.5 16 x_t
YSRN-M12x1.0P 22 16 2-M4 5.5 19 2.2 x_t
YSRN-M15x1.0P 25 19 4.75 22 x_t
YSRN-M17x1.0P 29 13 21 9 24 x_t
YSRN-M20x1.0P 35 11 27 7 30 8 x_t
YSRN-M25x1.5P 43 15 32 2-M6 10 35 x_t
YSRN-M30x1.5P 48 20 37 14 40 x_t
YSRN-M35x1.5P 60 21 47 50 x_t
YSRN-M40x1.5P 62 25 18 x_t

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