Sizes and Shapes  (click for details)
Precision Lock Nuts MKR Models
Thread material : SCM 440
Hardness : HRC 28-32
Precision : ISO 4H

Type Measurements B Capbolt
D h e d1 d2 d3 d4 c m Amount Torque(kg-cm)
MKR10×0.75P 24 14 6.5 22 17 3.2 2.5 3 M3×10 3 20
MKR10×1.0P 15
MKR12×1.0P 26 14 25 19 3
MKR12×1.5P 15
MKR14×1.5P 32 16 7 30 22.5 4.3 4 M4×10 30
MKR15×1.0P 33 31 23.5 M4×12 4
MKR16×1.5P 34 18 - - 24.5 5
MKR17×1.0P 35 25.5
MKR18×1.5P 36 - - 26.5
MKR20×1.0P 40 30.5
MKR20×1.5P
MKR22×1.5P
MKR24×1.5P 42 - - 32.5
MKR25×1.5P 45 20 36.5 5 6.5
MKR26×1.5P
MKR28×1.5P 46 38.5
MKR30×1.5P 48 - - 40.5
MKR32×1.5P 50 22 42.5 7 M4×16
MKR35×1.5P 53 45.5
MKR38×1.5P 58 48.5
MKR40×1.5P - - 50.5
MKR42×1.5P 60 52.5
MKR45×1.5P 68 58 6 6.5 6
MKR48×1.5P 25 59.5 9 M4×18
MKR50×1.5P 70 - - 61.5
MKR52×1.5P 72 - - 63.5 4.3
MKR55×1.5P 75 66.5
MKR55×2.0P
MKR58×1.5P 82 26 72.5 5.3 M5×18 61
MKR60×1.5P 84 74.5 5.3
MKR60×2.0P
MKR62×1.5P 86 28 76.5 10.5 M5×20
MKR65×1.5P 88 78.5
MKR65×2.0P
MKR68×1.5P 95 83 8 9.5
MKR70×1.5P - - 85 5.3
MKR70×2.0P
MKR72×1.5P 98 86 6.4 8.5 M6×20 102
MKR75×1.5P 100 88
MKR75×2.0P
MKR80×2.0P 110 32 95 11
MKR85×2.0P 115 - - 100
MKR90×2.0P 120 108
MKR95×2.0P 125 113
MKR100×2.0P 130 118
MKR105×2.0P 135 - - 123
MKR110×2.0P 140 128
MKR115×2.0P 145 36 133 13 M6×25
MKR120×2.0P 155 140
MKR125×2.0P 160 - - 148
MKR130×3.0P 165 153
MKR140×3.0P 180 165 10 12 8
MKR150×3.0P 190 175
MKR160×3.0P 205 40 - - 185 8.4 14 M8×30 255
MKR170×3.0P 215 195
MKR180×3.0P 230 210
MKR190×3.0P 240 224
MKR200×3.0P 245 229
Type D h e d1 d2 d3 d4 c m Amount Torque(kg-cm)
Measurements B Capbolt
A size that is larger than M110 is a production on orders.

Sizes and Shapes
       (click for details) 		Precision Lock Nuts
MR Models       MF Models       MKR Models
Precision Stainless Lock Nuts      MRS Models