HIGH STRENGTH HEX BOLT NUT, WASHERS

■ Bolts

METRIC(KS B 1010) (JIS B 1186)

Nominal Diamete d₁ H C D D₁ r K a-b E F h s
Basic Tolerance Basic Tolerance Basic Tolerance App App Min App Max Max Basic Tolerance
M12 12

+0.7

-0.2

 8

+0.7

-0.2

 22

0

-0.8

 25.4 20 20 0.8~1.6 2 0.7 1˚ 2˚ 0.4~0.8 25

+5

0
M16 16 10 27 31.2 25 25 1.2~2.0 0.8 30
M20 20

+0.8

-0.4

 13 ±0.9 32

0

-1

 37 30 29 2.5 0.9 35

+6

0
M22 22 14 36 41.6 34 33 1.1 40
M24 24 15 41 47.3 39 38 1.6~2.4 3 1.3 45
M27 27 17 46 53.1 44 43 1.3 50
M30 30 19 ±1.0 50 57.7 48 47 2.0~2.8 3.5 1.5 55

Unit: mm

■ Nuts

METRIC(KS B 1010) (JIS B 1186)

Nominal Diamete d₁ H B C D D₁ a-b E F h
Basic Tolerance Basic Tolerance App App Min Max Max Max App
M12 12 12 ±0.35 22

0

-0.8

 25.4 20 20 0.5 1˚ 2˚ 0.4~0.8
M16 16 16 27 31.2 25 25 0.8
M20 20 20 ±0.4 32

0

-1

 37 30 29 0.9
M22 22 22 36 41.6 34 33 1.1
M24 24 24 41 47.3 39 38 1.2
M27 27 27 46 53.1 44 43 1.3
M30 30 30 50 57.7 48 47 1.5

Unit: mm

■ Washers

METRIC(KS B 1010) (JIS B 1186)

Nominal Diamete d D t
Basic Tolerance Basic Tolerance Basic Tolerance
12 13 0.7 0 26 0-0.8 3.2 ±0.4
16 17 32 0 -1 4.5 ±0.5
20 21 +0.8 0 40
22 23 44 6 ±0.7
24 25 48
27 28 56 0 -1.2
30 31 +0.1,0 60 8

Unit: mm

FOR HIGH STRENGTH BOLT(ANSI B 18.22.1)

Bolt Size Nominal Outside Diameter Nominal Diameter of Hole Thickness
Min Max

1-2

5/8

3/4

7/8

1-1/16

1-5/16

1-15/32

1-3/4

17/32

21/32

13/16

15/16

0.097

0.122

0.122

0.136

0.177

0.177

0.177

0.177

1

1-1/8

1-1/4

1-3/8

2

2-1/4

2-1/2

2-3/4

1-1/16

1-1/4

1-3/8

1-1/2

0.136

0.136

0.136

0.136

0.177

0.177

0.177

0.177

1-1/2

1-3/4

2

over2

to 2 inch

3

3-3/8

-

2D-1/2

1-5/8

1-7/8

2-1/8

-

D+1/8

0.136

0.178

0.178

-

0.24

0.177

0.28

0.28

-

0.34

Unit: inch

HIGH TENSION BOLT NUT & WASHER(g)

구분 40 45 50 55 60 65 70 75 80 85 90 95 100 110 120 NUT WASHER
M12 SET 107 112 116 121 125 130 134 138 143 147 152 156 - - - 30 10
BOLT 57 62 66 71 75 80 84 88 93 97 102 106 - - -
M16 SET 202 210 217 225 233 241 249 257 265 273 281 289 296 312 328 57 20
BOLT 105 113 120 128 136 144 152 160 168 176 184 192 199 215 231
M20 SET 336 348 361 373 385 398 410 422 435 447 459 472 484 509 533 97 32
BOLT 175 187 200 212 224 237 249 261 274 286 298 311 323 348 372
M22 SET - 481 496 510 525 540 555 570 585 600 615 630 645 674 704 137 52
BOLT - 240 255 269 284 299 314 329 344 359 374 389 404 433 463
M12 SET - - 648 666 683 701 719 737 754 772 790 808 825 551 896 201 62
BOLT - - 323 341 358 376 394 412 429 447 465 483 500 536 571