document.xls

BOLT DATA - TORQUE - THREAD STRENGTH CALCULATION

ISO METRIC COARSE SCREW THREADS TO AS 1275

BOLT DATA

BOLTING STANDARD

PROPERTY CLASS

DIAMETER

PITCH #N/A

CORE AREA #N/A

TENSILE STRESS AREA #N/A

SHANK AREA #N/A

MINIMUM TENSILE STRESS #N/A

YIELD STRESS #N/A

PROOF STRESS #N/A

PREFERRED BOLT TORQUE

BOLT UTILISATION BASED ON

PREFERRED BOLT UTILISATION

BOLT CONDITION

TORQUE COEFFICIENT (NUT FACTOR) #N/A

BOLT LOAD BASED ON

PREFERRED BOLT LOAD #N/A

PREFERRED BOLT TORQUE #N/A

NUT DATA(NOT APPLICABLE IF USING A COMPATIBLE NUT)

NUT MATERIAL

NUT PLATE THICKNESS

NUT MATERIAL ULTIMATE TENSILE STRESS #N/A

NUT MATERIAL YIELD STRESS #N/A

(NOT APPLICABLE IF USING A COMPATIBLE NUT)

ULTIMATE BOLT LOAD #N/A

THREAD ENGAGEMENT TO DEVELOP FULL BOLT STRENGTH #N/A

THREAD ENGAGEMENT TO YIELD THREADS AT FULL BOLT STRENGTH #N/A

#N/A

FORCE REQUIRED TO STRIP mm LENGTH OF THREADS #N/A

FORCE REQUIRED TO YIELD mm LENGTH OF THREADS #N/A

SELECTED BOLT LOAD & TORQUE(NOT APPLICABLE IF USING A COMPATIBLE NUT)

REQUIRED SAFETY FACTOR ON THREAD YIELD

RECOMMENDED BOLT LOAD #N/A

RECOMMENDED BOLT LOAD AS A % OF YIELD STRESS #N/A

RECOMMENDED BOLT TORQUE #N/A

SELECTED BOLT TORQUE

SELECTED BOLT LOAD #DIV/0!

THREAD STRENGTH

document.xls

SELECTED BOLT LOAD AS A % OF YIELD STRESS #DIV/0!

#N/A

TORQUE VALUES CALCULATED USING FORMULA T = KDP

WHERE T = TORQUE (Nm), K = TORQUE COEFFICIENT, D = NOMINAL DIAMETER (mm), P = BOLT CLAMP LOAD (kN)

document.xls

BOLT DATA - TORQUE - THREAD STRENGTH CALCULATION

ISO METRIC COARSE SCREW THREADS TO AS 1275

mm

mm

MPa

MPa

MPa

% OF YIELD STRESS

kN

Nm

mm

MPa

MPa

kN

mm

mm

mm

kN

kN

kN

%

Nm

Nm

kN

mm2

mm2

mm2

document.xls

%

#N/A

TORQUE VALUES CALCULATED USING FORMULA T = KDP

= TORQUE COEFFICIENT, D = NOMINAL DIAMETER (mm), P = BOLT CLAMP LOAD (kN)

BOLT STDS & CLASSES BOLT DIAMETERS

1 2 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

AS 1110.1 8.8 10.9 12.9 AS 1110.1 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56 60 64

AS 1110.2 8.8 10.9 12.9 AS 1110.2 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56 60 64

AS 1111.1 4.6 AS 1111.1 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56 60 64

AS 1111.2 4.6 AS 1111.2 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56 60 64

AS 1252 8.8 AS 1252 16 20 22 24 27 30 36

0 ### #N/A #N/A 0 ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ###

BOLT PITCHES & AREAS BOLT TORQUE COEFFICIENTS

1 2 3 4 5 1 2

BOLT PITCH AREAS BOLT CONDITION K

SIZE

CORE TENSILE SHANK 1px1 (MOLY)V 0.18

(mm) (mm) STRESS AS RECEIVED 0.20

5 0.8 12.7 14.2 19.6 AS RECEIVED OR LIGHTLY OILED & LOCTITE 771 0.13

6 1 17.9 20.1 28.3 BOWMAN ANTI-SEIZE 0.12

8 1.25 32.8 36.6 50.3 CADMIUM PLATED 0.17

10 1.50 52.3 58.0 78.5 CADMIUM PLATED (DEGREASED) 0.20

12 1.75 76.2 84.3 113 CADMIUM PLATED (LIGHTLY OILED) 0.14

14 2.00 105 115 154 CADMIUM PLATED (LIGHTLY OILED & LOCTITE 243) 0.13

16 2.00 144 157 201 CLEAN, NONPLATED, AS RECEIVED 0.20

18 2.50 175 192 254 COPPER BASED ANTI-SEIZE 0.16

20 2.50 225 245 314 DEGREASED & LOCTITE 243 0.20

22 2.50 282 303 380 DRY 0.30

24 3.00 324 353 452 EXPOSED TO ELEMENTS, BEGINNING TO OXIDISE 0.30

27 3.00 427 459 573 GALVANISED (DEGREASED) 0.42

30 3.50 519 561 707 GALVANISED (LIGHTLY OILED) 0.22

33 3.50 647 694 855 GENERAL MACHINE OIL 0.20

36 4.00 759 817 1018 GREASE 0.16

39 4.00 913 976 1195 GREASE (HEAVY) 0.14

42 4.50 1045 1121 1385 HOT DIPPED GALVANISED 0.25

45 4.50 1224 1306 1590 INORGANIC SILICATE (IOZ) 0.17

48 5.00 1377 1473 1810 LIGHTLY OILED 0.20

52 5.00 1652 1758 2124 LIGHTLY OILED & LOCTITE 243 0.14

56 5.50 1905 2030 2463 LOCTITE MOLY PASTE 0.11

60 5.50 2227 2362 2827 LOW FRICTION OIL 0.15

64 6.00 2520 2676 3217 MOLYBDENUM DISULPHIDE BASED GREASE 0.14

MOLYBOND GA50 0.14

0 #N/A #N/A #N/A #N/A MOLYKOTE 0.18

MOLYKOTE P74 0.14

MECHANICAL PROPERTIES NICKEL BASED ANTI-SEIZE 0.15

NEVER-SEIZE (PASTE) 0.17

1 2 3 4 5 6 7 NONPLATED, BLACK FINISH 0.30

BOLT MIN TENSILE STRESS YIELD STRESS PROOF STRESS PHOSPHATED (LIGHTLY OILED) 0.14

GRADE (MPa) (MPa) (MPa) PHOSPHATED (LIGHTLY OILED & LOCTITE 243) 0.11

d>16 mm d>16 mm d>16 mm PHOSPHATED (DEGREASED) 0.24

PHOSPHATED (DEGREASED & LOCTITE 243) 0.14

4.6 400 400 240 240 225 225 SOLID PTFE FILM 0.12

8.8 800 830 640 660 580 600 TEFLON 7630 0.09

(mm2)

d£16 mm d£16 mm d£16 mm

10.9 1040 1040 940 940 830 830 WAXED 0.10

12.9 1220 1220 1100 1100 970 970 XYLAN 0.10

ZINC PLATED 0.22

0 #N/A #N/A #N/A #N/A #N/A #N/A ZINC PLATED (DRY) 0.29

0 #N/A #N/A #N/A ZINC PLATED (DEGREASED) 0.14

ZINC PLATED (DEGREASED & LOCTITE 243) 0.15

ZINC PLATED (LIGHTLY OILED) 0.18

ZINC PLATED (LIGHTLY OILED & LOCTITE 243) 0.16

0 #N/A

STRENGTH OF METRIC THREADS NUT PLATE MECHANICAL PROPERTIES

BOLT STANDARD = 0.0 1

BOLT PROPERTY CLASS = 0.0 MATERIAL

TENSILE STRENGTH OF THE BOLT MATERIAL, Sst = #N/A MPa

YIELD STRESS OF THE BOLT MATERIAL = #N/A MPa

NUT MATERIAL = 0

NUT PLATE THICKNESS = 0 mm AS/NZS 3678-200

ULTIMATE TENSILE STRENGTH OF THE NUT MATERAL, Snt = #N/A MPa AS/NZS 3678-250

YIELD STRENGTH OF THE NUT MATERIAL = #N/A MPa AS/NZS 3678-300

AS/NZS 3678-350

AS/NZS 3678-400

BOLT DIAMETER = 0 mm AS/NZS 3678-450

BOLT THREAD PITCH = #N/A mm AS 1548-PT430

AS 1548-PT460

TENSILE STRESS AREA = #N/A AS 1548-PT490

ULTIMATE BOLT LOAD = #N/A kN

0

LENGTH OF THREAD ENGAGEMENT REQUIRED TO DEVELOP FULL STRENGTH:

AS/NZS 3678-450

#N/A #N/A

NUT PLATE THICKNESSES

BOLT TOLERANCE CLASS = #N/A

NUT TOLERANCE CLASS = #N/A 1

MATERIAL

#N/A #N/A #N/A

#N/A #N/A mm AS/NZS 3678-200

AS/NZS 3678-250

LENGTH OF THREAD ENGAGEMENT REQ'D TO DEVELOP FULL STR., LE = #N/A mm AS/NZS 3678-300

AS/NZS 3678-350

#N/A #N/A mm2 AS/NZS 3678-400

AS/NZS 3678-450

#N/A #N/A MPa AS 1548-PT430

AS 1548-PT460

FORCE REQUIRED TO STRIP THREADS, F = #N/A kN AS 1548-PT490

LENGTH OF THREAD ENGAGEMENT REQUIRED TO YIELD THREAD AT FULL STRENGTH 0

#N/A #N/A

#N/A #N/A #N/A

mm2

#N/A #N/A mm

LENGTH OF THREAD ENGAGEMENT REQ'D TO DEVELOP FULL STR., LE = #N/A mm

#N/A #N/A mm2

#N/A #N/A MPa

FORCE REQUIRED TO STRIP THREADS, F = #N/A kN

LENGTH OF THREAD ENGAGEMENT REQUIRED TO YIELD THREAD AT FULL STRENGTH, L = #N/A mm

SELECTED LENGTH OF THREAD ENGAGEMENT

SELECTED LENGTH OF THREAD ENGAGEMENT = 0.0 mm

FORCE REQUIRED TO STRIP THREADS, F = #N/A kN

FORCE REQUIRED TO YIELD THREADS, F = #N/A kN

RECOMMENDED BOLT TORQUE

BOLT PROPERTY CLASS =

BOLT CONDITION = 0

BOLT PRELOAD = 0 % OF YIELD STRESS

TORQUE CO-EFFICIENT = #N/A

SAFETY FACTOR ON THREAD YIELD = 0.0

YIELD STRESS OF THE BOLT MATERIAL = #N/A MPa

= #N/A

RECOMMENDED BOLT LOAD = #N/A kN

% OF YIELD STRESS = #N/A %

RECOMMENDED BOLT TORQUE = #N/A Nm

SELECTEDED BOLT TORQUE

SELECTED BOLT TORQUE = 0 Nm

mm2

SELECTED BOLT LOAD = #DIV/0! kN

% OF YIELD STRESS = #DIV/0! %

NUT PLATE MECHANICAL PROPERTIES BOLT THREAD LIMITING DIMENSIONS

2 3 4 5 6 7 8 9 10 11 1 2 3 4 5

ULTIMATE YIELD STRESS (MPa) BOLT PITCH NOMINAL EXTERNAL THREADS - 6g

TENSILE SIZE PITCH MIN. MAJOR MIN. PITCH

STRESS PLATE THICKNESS (mm) DIAMETER DIAMETER DIAMETER

(MPa) <=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 >80 <= 150

(mm) (mm) (mm) (mm) (mm)

300 200 200 5 0.8 4.480 4.826 4.361

410 280 260 250 250 250 250 250 240 230 6 1 5.350 5.794 5.212

430 320 310 300 300 280 280 280 270 260 8 1.25 7.188 7.760 7.042

450 360 360 350 350 340 340 340 340 330 10 1.50 9.026 9.732 8.862

480 400 400 380 380 360 360 360 360 12 1.75 10.863 11.701 10.679

#N/A 450 450 450 450 420 400 400 14 2.00 12.701 13.682 12.503

430 300 300 300 280 280 280 270 270 250 16 2.00 14.701 15.682 14.503

460 305 305 305 295 295 295 275 275 265 18 2.50 16.376 17.623 16.164

490 360 360 360 340 340 340 330 330 320 20 2.50 18.376 19.623 18.164

22 2.50 20.376 21.623 20.164

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 >80 <= 150 24 3.00 22.051 23.577 21.803

#N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A 27 3.00 25.051 26.577 24.803

30 3.50 27.727 29.522 27.462

U.T.S. (MPa) 520 520 520 520 500 500 500 33 3.50 30.727 32.522 30.462

36 4.00 33.402 35.465 33.118

NUT PLATE THICKNESSES 39 4.00 36.402 38.465 36.118

42 4.50 39.077 41.437 38.778

2 3 4 5 6 7 8 9 10 45 4.50 42.077 44.437 41.778

PLATE THICKNESS (mm) 48 5.00 44.752 47.399 44.431

0 52 5.00 48.752 51.399 48.431

<=8 >8 <=12 56 5.50 52.428 55.365 52.088

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 >80 <= 150 60 5.50 56.428 59.365 56.088

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 >80 <= 150 64 6.00 60.103 63.320 59.743

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 >80 <= 150

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 0 #N/A #N/A #N/A #N/A

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 >80 <= 150

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 >80 <= 150 (mm)

<=8 >8 <=12 >12 <=16 >16 <=20 >20 <=32 >32 <=40 >40 <=50 >50 <=80 #N/A

#N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A

d2 dmin d2min

dmin

NUT THREAD LIMITING DIMENSIONS BOLT & NUT TOLERANCE CLASSES

6 7 1 2 3 4 5 6 1 2 3

EXTERNAL THREADS - 8g NUT PITCH INTERNAL THREADS - 6H INTERNAL THREADS - 7H AS 1110.1 6g 6H

MIN. MAJOR MIN. PITCH SIZE MAX. PITCH MAX. MINOR MAX. PITCH MAX. MINOR AS 1110.2 6g 6H

DIAMETER DIAMETER DIAMETER DIAMETER DIAMETER DIAMETER AS 1111.1 8g 7H

AS 1111.2 8g 7H

(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) AS 1252 6g 6H

4.740 4.306 5 0.8 4.605 4.334 4.640 4.384

5.694 5.144 6 1 5.500 5.153 5.540 5.217 0 ### ###

7.637 6.970 8 1.25 7.348 6.912 7.388 6.982

9.593 8.782 10 1.50 9.206 8.676 9.250 8.751

11.541 10.593 12 1.75 11.063 10.441 11.113 10.531

13.512 12.413 14 2.00 12.913 12.210 12.966 12.310

15.512 14.413 16 2.00 14.913 14.210 14.966 14.310

17.428 16.069 18 2.50 16.656 15.744 16.658 15.854

19.428 18.069 20 2.50 18.600 17.744 18.656 17.854

21.428 20.069 22 2.50 20.600 19.744 20.656 19.854

23.352 21.688 24 3.00 22.316 21.252 22.386 21.382

26.352 24.688 27 3.00 25.316 24.252 25.386 24.382

29.277 27.339 30 3.50 28.007 26.771 28.082 26.921

32.277 30.339 33 3.50 31.007 29.771 31.082 29.921

35.190 32.987 36 4.00 33.702 32.270 33.777 32.420

38.190 35.987 39 4.00 36.702 35.270 36.777 35.420

41.137 38.639 42 4.50 39.392 37.799 39.477 37.979

44.137 41.639 45 4.50 42.392 40.799 42.477 40.979

47.079 44.281 48 5.00 45.087 43.297 45.177 43.487

51.079 48.281 52 5.00 49.087 47.297 49.177 47.687

55.025 51.928 56 5.50 52.783 50.796 52.878 50.996

59.025 55.928 60 5.50 56.783 54.796 56.878 54.996

62.970 59.573 64 6.00 60.478 58.305 60.578 58.505

#N/A #N/A 0 #N/A #N/A #N/A #N/A #N/A

(mm) (mm) (mm)

#N/A #N/A #N/A

dmin d2min D2max D1max D2max D1max

d2min D2max D1max