Category: Bolts

EN 14399

High-Strength Structural Bolting Assemblies For Preloading

Mushroom Head Square Neck Bolts / Cup Square Bolts

EN 14399

High-strength structural bolting assemblies for preloading – Part 3: System HR – Hexagon bolt and nut assemblies
Dimensions
NOTE: The difference between lg and ls should not be less than 1,5 P.
Key
a Incomplete thread u ≤ 2P

b 15° to 30°

Dimension in millimeter

Table 2 — Dimensions of bolts a

Thread d M12 (M14)b M16 (M18)b M20 M22 M24 M27 M30 M36
P c 1.8 2.0 2.0 2.5 2.5 2.5 3.0 3.0 3.5 4.0
b (ref.) d 30 34 38 42 46 50 54 60 66 78
e — 40 44 48 52 56 60 66 72 84
f — — — — 65 69 73 79 85 97
c Max. 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
Min. 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
da Max. 15.20 17.20 19.20 21.70 24.40 26.40 28.40 32.40 35.40 42.40
ds Max. 12.70 14.70 16.70 18.70 20.84 22.84 24.84 27.84 30.84 37.00
Min. 11.30 13.30 15.30 17.30 19.16 21.16 23.16 26.16 29.16 35.00
dw Max. g g g g g g g g g g
Min. 20.10 22.00 24.90 27.70 29.50 33.30 38.00 42.80 46.60 55.90
e Min. 23.91 26.17 29.56 32.95 35.03 39.55 45.20 50.85 55.37 66.44
k Nom. 7.50 8.80 10.00 11.50 12.50 14.00 15.00 17.00 18.70 22.50
Max. 7.95 9.25 10.75 12.40 13.40 14.90 15.90 17.90 19.75 23.55
Min. 7.05 8.35 9.25 10.60 11.60 13.10 14.10 16.10 17.65 21.45
kw Min. 4.90 5.85 6.50 7.42 8.10 9.20 9.90 11.30 12.40 15.00
r Min. 1.2 1.2 1.2 1.5 1.5 1.5 1.5 2.0 2.0 2.0
s Max. 22 24 27 30 32 36 41 46 50 60
Min. 21.16 23.16 26.16 29.16 31.00 35.00 40.00 45.00 49.00 58.80

EN 15048

Non Pre-Load Bolt Assemblies

BS EN 15048 – 1 & 28.8 & 10.9 Assemblies BS EN 15048 Fully Threaded Setscrew Dimensions.

Dimensions

BS EN 15048 Fully Threaded Setscrew Dimensions. Classes 8.8 & 10.9
Nom. Dia. (d) M12 M16 M20 M24 M30 M36
Thread Pitch 1.75 2.00 2.50 3.00 3.50 4.00
a Max. 5.25 6.00 7.50 9.00 10.50 12.00
s Min. 17.57 23.16 29.16 35.00 45.00 53.80
Max. 18.00 24.00 30.00 36.00 46.00 55.00
e Min. 19.85 26.17 32.95 39.55 50.85 60.79
df Min. 16.47 22.00 27.70 33.25 42.75 51.11
c Min. 0.15 0.20 0.20 0.20 0.20 0.20
Max. 0.60 0.80 0.80 0.80 0.80 0.80
r Min. 0.60 0.60 0.80 0.80 1.00 1.00
de Max. 13.70 17.70 22.40 26.40 33.40 39.40
k Min. 7.32 9.71 12.15 14.65 18.28 22.08
Max. 7.68 10.29 12.85 15.35 19.12 22.92
Product Characteristic Standard
Fully Threaded Setscrews
General Requirements ISO 4017
Materials & Manufacture ISO 898-1 Classes 8.8 & 10.9
Finish / Coatings Zinc Electroplated BS 7371-3 or BS EN ISO 4042
Hot Dip Galvanized BS 7371-6 or BS EN ISO 10684
Mechanical Properties ISO 898-1 Classes 8.8 & 10.9
Dimensions & Tolerances ISO 4017
Threads ISO 965-2 Class 6G

Setscrews

Bolt Thread Diameter Tensile Strength Proof Load Elongation Hardness Rockwell HRC
N/mm2 min. N/mm2 min. % Min. Min. Max.
M12 800 660 12 23 34
M16 830 660 12 23 34
M20 830 660 12 23 34
M22 830 660 12 23 34
M24 830 660 12 23 34
M27 830 660 12 23 34
M30 830 660 12 23 34
M36 830 660 12 23 34
EN 15048 Assemblies also require a Charpy Impact Test to EN 10045-1

BS EN 15048 Nut Dimensions

Nominal size and thread diameter d Pitch of thread p Width across flats s Width across corners e Thickness of nut m
Max. Min. Min. Max. Min.
M12 1.75 18.00 17.57 21.10 10.80 10.37
M16 2.00 24.00 23.67 26.75 14.80 14.10
M20 2.50 30.00 29.16 32.95 18.00 16.90
M24 3.00 36.00 35.00 39.55 21.50 20.20
M30 3.50 46.00 45.00 50.85 25.60 24.30
M36 4.00 55.00 53.80 60.79 31.00 29.40
Product Characteristic Standard
Nuts
General Requirements ISO 4032 & 4034
Materials & Manufacture ISO 4032 & 4034 Class 8, 10 & 12
Finish /
Coatings		 Self Colour / Black ISO 4032 & 4034
Zinc Electroplated BS 7371-3 or BS EN ISO 4042
Hot Dip Galvanized BS 7371-6 or BS EN ISO 10684
Mechanical
Properties		 Self Colour / Zinc Electroplated ISO 4032 & 4034 Class 8
Hot Dip Galvanized ISO 4032 & 4034 Class 10 & 12
Dimensions & Tolerances ISO 4032 & 4034
Threads Self Colour / Zinc Electroplated ISO 965-2 Class 6H
Hot Dip Galvanized ISO 965-2 Class 6AZ
Product Marking BS EN ISO 898-2

BS EN 15048 Proof load values of property classes 8 & 10 nuts

Nut thread
Diameter		 Stress Area Test
Mandrel		 Property Class
8 10
Tolerance class
6H (1)		 Tolerance class
6AZ (2)
mm2 Proof Load kN Proof Load kN
M12 84.3 67 78.1
M16 157 125 150
M20 245 196 236
M24 353 282 342
M30 561 448 551
M36 817 653 808
6H (1) is the tolerance class for self colour & Zinc plated nuts.
6AZ (2) is the tolerance class for hot dip galvanized nuts

Nominal size of bolt or screw EN ISO 7089 – 2000
Inside Diameter d1 Outside Diameter d2 Thickness s
Max. Min. Max. Min. Max. Min.
M12 13.93 13.50 24.00 22.70 2.80 2.20
M16 17.93 17.50 30.00 28.70 3.60 2.40
M20 22.52 22.00 37.00 35.40 3.60 2.40
M24 26.52 26.00 44.00 42.40 4.60 3.40
M30 33.62 33.00 56.00 54.10 4.60 3.40
M36 40.00 39.00 66.00 64.10 6.00 4.00
Product Characteristic Standard
Washers
General Requirements EN ISO 7089 – 2000
Materials & Manufacture EN ISO 7089 – 2000
Finish /
Coatings		 Self Colour / Black EN ISO 7089 – 2000
Zinc Electroplated BS 7371-3 or BS EN ISO 4042
Hot Dip Galvanized BS 7371-6 or BS EN ISO 10684
Dimensions & Tolerances EN ISO 7089 – 2000

IS 12427

TRANSMISSION TOWER BOLTS

IS 12427 : 2001

Steel Hardness: 5.8 , 8.8
Finish: Hot Dip Galvanized

Dimensions / Weight Chart

Dimensions of Hexagon Head Transmission Tower Bolts
Nom. Dia. (d) M12 M16 M20 (M22) M24
Thread Pitch 1.75 2 2.5 2.5 3
b (ref) 20 23 26 28 30
C Max. 0.6 0.8 0.8 0.8 0.8
Da Max. 14.7 18.7 24.4 26.4 28.4
Ds Max. 12.7 16.7 20.84 22.84 24.84
Min. 11.3 15.3 19.16 21.16 23.16
Dw Max. 18 24 30 34 36
Min. 16.47 22 27.7 31.35 33.25
e Min. 19.85 26.17 32.95 37.29 39.55
k Nom. 7.5 10 12.5 14 15
Max. 7.95 10.75 13.4 14.9 15.9
Min. 7.05 9.25 11.6 13.1 14.1
k’ Min. 4.95 6.48 8.12 9.17 9.87
r Min. 0.6 0.6 0.8 0.8 0.8
s Max. 18 24 30 34 36
Min. 17.57 23.16 29.16 33 35
Length — Size Combinations and Grip Ranges
Thread M12 M16 M20 M22 M24
Size d ls Lg Grip ls Lg Grip ls Lg Grip ls Lg Grip ls Lg Grip
Min. Max. Range Min. Max. Range Min. Max. Range Min. Max. Range Min. Max. Range
30 65 10 6-10 – – – – – – – – – – – –
35 11.5 15 11-15 8 12 8-12 – – – – – – – – –
40 16.5 20 16-20 13 17 13-17 9 14 11-14 7 12 8-12 – – –
45 21.5 25 21-25 18 22 18-22 14 19 15-19 12 17 13-17 9 15 11-15
50 26.5 30 26-30 23 27 23-27 19 24 20-24 17 22 18-22 14 20 16-20
55 31.5 35 31-35 28 32 28-32 24 29 25-29 22 27 23-27 19 25 21-25
60 36.5 40 36-40 33 37 33-37 29 34 30-34 27 32 28-32 24 30 36-30
65 41.5 45 41-45 38 42 38-42 34 39 35-39 32 37 33-37 29 35 31-35
70 46.5 50 46-50 43 47 43-47 39 44 40-44 37 42 38-42 34 40 36-40
75 51.5 55 51-55 48 52 48-52 44 49 45-49 42 47 43-47 39 45 41-45
80 56,5 60 56-60 53 57 53-57 49 54 50-54 47 52 48-52 44 50 46-50
85 61.5 65 61-65 58 62 58-62 54 59 55-59 52 57 53-57 49 55 51-55
90 66.5 70 66-70 63 67 63-67 59 64 60-64 57 62 58-62 54 60 56-60
95 71.5 75 71-75 68 72 68-72 64 69 65-69 62 67 63-67 59 65 61-65
100 76.5 80 76-80 73 77 73-77 69 74 70-74 67 72 68-72 64 70 66-70
105 78 82 78-82 74 79 75-79 72 77 73-77 69 75 71-75
110 83 87 83-87 79 84 80-84 77 82 78-82 74 80 76-80
115 88 92 88-92 84 89 85-89 82 87 83-87 79 85 81-85
120 93 97 93-97 89 94 90-94 87 92 88-92 84 90 86-90
125 98 102 98-102 94 99 95-99 92 97 93-97 89 95 91-95
130 103 107 103-107 99 104 100-104 97 102 98-102 94 100 96- I00
135 108 112 108-112 104 109 105-109 102 107 103-107 99 105 101-105
140 113 117 113-117 109 114 110-114 107 112 108-112 I04 110 106-110
145 118 122 118-122 114 119 115-119 112 117 113-117 109 115 111-115
150 123 127 123-127 119 124 120-124 117 I22 118-122 114 120 116-120
155 I28 132 128-132 124 129 125-129 122 I27 123-127 119 125 121-125
160 133 137 133-137 129 I34 130-134 127 132 128-132 124 130 126-130

BS 7419 SQ SQ

FOUNDATION BOLTS

BS 7419 SQ SQ

Steel Hardness: 4.6, 8.8
Finish: Self, Black, Bright Zinc, Hot Dip Galvanized

Dimensions / Weight Chart

Nom. Dia. (d) M16 M20 M24 M30 M36 M42 M48 M56 M64
Thread Pitch 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
t a Max. 122.0 127.5 133.0 140.5 148.0 155.5 163.0 172.5 182.0
Min. 116 120 124 130 136 142 148 156 164
b Max. 225 225 225 225 225 225 225 225 225
Min. 200 200 200 200 200 200 200 200 200
ds Max. 16.70 20.84 24.84 30.84 37.00 43.00 49.00 57.20 65.20
Min. 15.30 19.16 23.16 29.16 35.00 41.00 47.00 54.80 62.80
h Max. 10.75 13.40 15.90 19.75 23.55 27.05 31.05 36.25 41.25
Min. 9.25 11.60 14.10 17.65 21.45 24.95 28.95 33.75 38.75
r Min. 0.6 0.8 0.8 1.0 1.0 1.2 1.6 2.0 2.0
af Max. 24.00 30.00 36.00 46.00 55.00 65.00 75.00 85.00 95.00
Min. 23.16 29.16 35.00 45.00 53.80 63.10 73.10 82.80 92.80
s Max. 8.75 10.75 12.90 15.90 18.90 22.05 25.05 29.05 33.25
Min. 7.25 9.25 11.10 14.10 17.10 19.95 22.95 26.95 30.75
sq Max. 16.70 20.84 24.84 30.84 37.00 43.00 49.00 57.20 65.20
Min. 15.30 19.16 23.16 29.16 35.00 41.00 47.00 54.80 62.80
Length WEIGHT IN KG PER PC
300 0.53 0.85
375 0.64 1.03 1.51
450 0.76 1.22 1.78 2.90 4.22 * * * *
525 0.88 1.43 2.04 3.35 4.82 * * * *
600 1.00 1.58 2.31 3.77 5.42 * * * *
750 1.95 2.84 4.60 6.62 * * * *
1000 2.00 3.72 5.95 8.62 * * * *
1250 4.61 7.34 10.62 * * * *

DIN 444-B

EYE BOLTS

DIN 444-B

Steel Hardness: 4.8, 8.8, 10.9
Finish: Self, Black, Bright Zinc, Hot Dip Galvanized

Dimensions / Weight Chart

Nom. Dia. (d) M6 M8 M10 M12 M16 M20
Thread Pitch 1 1.25 1.5 1.75 2 2.5
b 1 18 22 26 30 38 46
2 – 28 32 36 44 52
3 – – – 49 57 65
d2 H9 6 8 10 12 16 18
d3 Max. 14 18 20 25 32 40
s Max. 7 9 12 14 17 22
L WEIGHT IN KG/1000 PCS
40 13.70 25.00
50 15.90 28.90 39.10
60 18.10 32.80 45.30 71.40
70 20.30 36.80 51.50 80.30 149
80 22.60 40.70 57.60 89.20 164
90 23.70 44.70 63.80 98.10 180
100 48.60 70.00 106 196 334
110 52.60 76.10 115 212 359
120 56.50 82.30 124 228 383
130 60.50 88.40 133 244 408
140 64.40 94.50 142 259 433
150 101.00 151 275 457
160 160 291 482
180 178 322 531
200 195 354 581
220 211 383 624
240 229 414 674
260 247 446 723
Nom. Dia. (d) M24 M27 M30 M33 M36 M39
Thread Pitch 3 3 3.5 3.5 4 4
b 1 54 60 66 – – –
2 60 66 72 78 84 90
3 73 79 85 91 97 103
d2 H9 22 25 28 30 32 35
d3 Max. 45 50 55 60 65 70
s Max. 25 27 30 34 38 41
L WEIGHT IN KG/1000 PCS
100 454
110 489
120 524 618
130 560 663
140 596 708
150 631 753 997 1240
160 667 798 1050 1310 1570 1880
180 738 888 1160 1440 1730 2070
200 809 978 1270 1570 1890 2250
220 868 1060 1370 1690 2050 2420
240 939 1140 1480 1820 2200 2610
260 1010 1230 1590 1960 2350 2790
280 1320 1700 2100 2500 2970
300 1400 1810 2240 2650 3100

IS 1363-1

INDIAN STANDARD

HEXAGON HEAD BOLTS, SCREWS AND

NUTS OF PRODUCT GRADE ‘C’

PART 1 HEXAGON HEAD BOLTS (SIZE RANGE M 5 TO M 64)

IS 1363 Part 1: 2002 / ISO 4016

Steel : 4.6, 4.8, 8.8, 10.9
Finish: Self, Zinc Plated, Hot Dip Galvanized