Standard Type: Dimension and tightening torque table

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Standard materials and coatings

Material Coating
Low-carbon steel (JIS SS400 equivalent) Manganese Phosphate coating
Medium-carbon steel (JIS S45C) Manganese Phosphate coating
A2/stainless steel (JIS SUS304 or equivalent) Unplated/plain

Please contact us for other materials and/or coatings.

Dimension and tightening torque table (M10–M200)

Unit: millimeters (mm)

Nominal Size Pitch Convex nut (1) Concave nut (2) Common to 1, 2 Overall height (approx.) Bottom surface squarness (max.) Unit weight (g) Tightening torque (N·m)
(all materials, strengths)
d P D B1 b D1 D2 B S g
Basic Tolerance Basic Tolerance Basic Tolerance Basic (Approx.) Basic Tolerance Convex nut Concave nut
(recommended)
M10 0.75 18 0
-0.5
6 0
-0.5
3.5 18 0
-0.5
17 6 0
-0.5
3 14 9.5 0.05 19 * 16
M12 1.0 22 0
-0.5
6 0
-0.5
3.5 22 0
-0.5
17 6 0
-0.5
3 18 9.5 17 * 16
M15 1.0 25 0
-0.5
7 0
-0.5
4.5 25 0
-0.5
21 7 0
-0.5
4 21 11.5 23 * 28
M17 1.0 28 0
-0.5
7 0
-0.5
4.5 28 0
-0.5
24 7 0
-0.5
4 24 11.5 29 * 37
M20 1.0 32 0
-0.5
8 0
-0.5
5.5 32 0
-0.5
26 8 0
-0.5
4 28 13.5 43 * 55
M25 1.5 38 0
-0.5
10 0
-0.5
6 38 0
-0.5
32 10 0
-0.5
5 34 16 72 * 80
M30 1.5 45 0
-0.5
10 0
-0.5
6 45 0
-0.5
38 10 0
-0.5
5 41 16 103 * 115
M35 1.5 52 0
-0.5
11 0
-0.5
7 52 0
-0.5
44 11 0
-0.5
5 48 18 150 * 130
M40 1.5 58 0
-0.5
9 0
-0.5
5 58 0
-0.5
50 12 0
-0.5
6 53 17 170 * 155
M45 1.5 65 0
-0.5
10 0
-0.5
6 65 0
-0.5
56 13 0
-0.5
6 60 19 240 * 170
M50 1.5 70 0
-0.5
11 0
-0.5
7 70 0
-0.5
61 14 0
-0.5
6 65 21 285 * 200
M55 2.0 75 0
-0.5
11 0
-0.5
6 75 0
-0.5
67 15 0
-0.5
7 69 21 0.07 310 * 210
M60 2.0 80 0
-0.5
11 0
-0.5
6 80 0
-0.5
73 15 0
-0.5
7 74 21 340 * 240
M65 2.0 85 0
-0.5
12 0
-0.5
7 85 0
-0.5
79 12 0
-0.5
7 79 19 330 * 255
M70 2.0 92 0
-0.5
12 0
-0.5
7 92 0
-0.5
85 12 0
-0.5
8 85 19 390 * 270
M75 2.0 98 0
-0.5
13 0
-0.5
8 98 0
-0.5
90 13 0
-0.5
8 91 21 480 * 300
M80 2.0 105 0
-0.5
15 0
-0.5
10 105 0
-0.5
95 15 0
-0.5
8 98 25 660 * 310
M85 2.0 110 0
-0.5
16 0
-0.5
11 110 0
-0.5
102 16 0
-0.5
8 103 27 760 * 340
M90 2.0 120 0
-0.5
16 0
-0.5
11 120 0
-0.5
108 16 0
-0.5
10 112 27 940 * 350
M95 2.0 125 0
-0.5
17 0
-0.5
12 125 0
-0.5
113 17 0
-0.5
10 117 29 1,090 * 380
M100 2.0 130 0
-0.5
18 0
-0.5
13 130 0
-0.5
120 18 0
-0.5
10 122 31 1,230 * 390
M105 2.0 140 0
-0.5
18 0
-0.5
12 140 0
-0.5
126 18 0
-0.5
12 130 30 0.1 1,500 * 410
M110 2.0 145 0
-0.5
19 0
-0.5
13 145 0
-0.5
133 19 0
-0.5
12 135 32 1,600 * 415
M115 2.0 150 0
-0.5
19 0
-0.5
13 150 0
-0.5
137 19 0
-0.5
12 140 32 1,700 * 420
M120 2.0 155 0
-0.5
20 0
-0.5
13 155 0
-0.5
138 20 0
-0.5
12 145 33 1,800 * 435
M125 2.0 160 0
-0.5
21 0
-0.7
14 160 0
-0.5
148 21 0
-0.7
12 150 35 1,900 * 440
M130 2.0 165 0
-0.5
21 0
-0.7
14 165 0
-0.5
149 21 0
-0.7
12 155 35 2,000 * 450
M135 2.0 175 0
-0.5
22 0
-0.7
15 175 0
-0.5
160 22 0
-0.7
14 163 37 2,600 * 455
M140 2.0 180 0
-0.5
22 0
-0.7
15 180 0
-0.5
160 22 0
-0.7
14 168 37 2,700 * 465
M145 2.0 190 0
-0.5
24 0
-0.7
16 190 0
-0.5
171 24 0
-0.7
14 178 40 3,400 * 470
M150 2.0 195 0
-0.5
24 0
-0.7
16 195 0
-0.5
171 24 0
-0.7
14 183 40 3,550 * 480
M155 3.0 200 0
-0.5
25 0
-0.7
17 200 0
-0.5
182 25 0
-0.7
16 186 42 3,800 * 485
M160 3.0 210 0
-0.5
25 0
-0.7
17 210 0
-0.5
182 25 0
-0.7
16 196 42 4,200 * 500
M165 3.0 210 0
-0.5
26 0
-0.7
17 210 0
-0.5
193 26 0
-0.7
16 196 43 4,300 * 550
M170 3.0 220 0
-0.5
26 0
-0.7
17 220 0
-0.5
193 26 0
-0.7
16 206 43 4,750 * 600
M180 3.0 230 0
-0.5
27 0
-0.7
18 230 0
-0.5
203 27 0
-0.7
18 214 45 5,000 * 700
M190 3.0 240 0
-0.5
28 0
-0.7
19 240 0
-0.5
214 28 0
-0.7
18 224 47 5,500 * 800
M200 3.0 250 0
-0.5
29 0
-0.7
20 250 0
-0.5
226 29 0
-0.7
18 234 49 6,300 * 900

• External dimensions: JIS B1554 (2005)/ISO 2982
• Screw thread tolerances: JIS B0209 (2001)/ISO 965 6H
• For the convex nut, set the tightening torque to your required value.
• Please contact us for sizes larger than M105.
• Be advised that the dimensions and other specifications are subject to change without notice.
• Left-handed threads are planned for the Hardlock Bearing Nut in sizes M12 to M50.
• The self-locking effect is not changed even if the concave nut is installed first. If installing the concave nut first, tighten it according to the recommended torque.