ISO 4014 GRADE 8.8 BOLTS
Parmar Steel ISO 4014 Grade 8.8 bolts offer robust performance and reliability in structural applications. Crafted from high-strength steel, these bolts adhere to stringent ISO 4014 standards, ensuring consistency and durability. They feature a metric thread and a partially threaded shaft, ideal for securing heavy-duty machinery and structures. Parmar Steel commitment to quality ensures these bolts meet critical strength requirements, making them suitable for demanding environments where safety is paramount. Whether used in construction, automotive, or industrial settings, these bolts provide secure fastening with resistance to vibration and mechanical stress. Parmar Steel ISO 4014 Grade 8.8 bolts are a dependable choice for projects requiring precision engineering and long-term performance assurance.
| Standard | ISO 4014 |
| DIN Standard | DIN931 |
| Place of Origin | India |
| ISO 4014 Bolts Surface treatment | Passivation /plain |
| ISO 4014 Bolts Finishing | Hop Dip Galvanized (HDG) phosphorization, Zinc Plated (Yellow, White, Blue, Black), Geomet, Black Oxide, anodization, Dacroment, Zinc-Nickel plated, Nickel plated, Tin Plated, Brass Plated, Copper Plated, Black Plated, Salt fog test, Gold Plated |
| Size | M2 – M100 |
| Diameter | M3-M60 |
| Length | 6mm-500mm |
| Thread Types of Bolt | Unified national fine (UNF),Unified national coarse (UNC), UNJC and UNJF threads, Unified national extra fine (UNEF), UNK threads, UNR threads, Constant-pitch threads. |
| ISO 4014 Bolts Head | Square, Hex, Hex flange, Round, T-head , Flat & Triangular etc |
| ISO 4014 Bolts Neck type | Square, Hex, Oval, Triangular & Knurled etc |
| ISO 4014 Bolts Drive type | Slotted, Phil, Torx , Hex socket, & square slot etc |
| Application | Nuclear power, Wind tower, Automotive industry, Railway, Electronic, Construction industry, |
| ISO 4014 Bolts Dimensions | ASME B18.6.3 *Exception: screws 6 inches and shorter are fully threaded. |
| Drive Style | Type I |
| Material | stainless steel ss 304/ SS316 A2/A4, 18-8 Stainless Steel, SS303, SS201, SS316, SS304, SS904L, SS316L, A4-70; A2-70; A4-80 |
| Thread Requirements | UNC & UNF, ASME B1.1, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge) |
| Finish | Per ASTM A380/A380M |
| Production technology | Cold Forged |
| Manufacturing Process | Cold Heading, Wire Drawing, Heat Treatment, Insert tapping, Inspection, Packing, Surface Plating |
| Surface treatment |
|
| Others | OEM, ODM, ±0.03MM tolerance |
| Coatings | Cadmium, Black Oxide, Teflon, Galvanized, Zinc, Xylan, Others Upon Request |
| Tolerance of stainless steel Hex Bolt | +/-0.01mm to +/-0.05mm |
ISO 4014 BOLT DIMENSIONS
| Diameter (D) | Body Diameter (D) | Across the Flats (F) | Across the Corners © | Head Height (H) | Thread Lengths (T) | |||||
| MAX | MIN | MAX | MIN | MAX | MIN | MAX | MIN | < 6” | > 6” | |
| 1/2 | 0.515 | 0.482 | 0.875 | 0.85 | 1.01 | 0.969 | 0.364 | 0.302 | 1.25 | 1.5 |
| 5/8 | 0.642 | 0.605 | 1.062 | 1.031 | 1.227 | 1.175 | 0.444 | 0.378 | 1.5 | 1.75 |
| 3/4 | 0.768 | 0.729 | 1.25 | 1.212 | 1.443 | 1.383 | 0.524 | 0.455 | 1.75 | 2 |
| 7/8 | 0.895 | 0.852 | 1.438 | 1.394 | 1.66 | 1.589 | 0.604 | 0.531 | 2 | 2.25 |
| 1 | 1.022 | 0.976 | 1.625 | 1.575 | 1.876 | 1.796 | 0.7 | 0.591 | 2.25 | 2.5 |
| 1 1/8 | 1.149 | 1.098 | 1.812 | 1.756 | 2.093 | 2.002 | 0.78 | 0.658 | 2.5 | 2.75 |
| 1 1/4 | 1.277 | 1.223 | 2 | 1.938 | 2.309 | 2.209 | 0.876 | 0.749 | 2.75 | 3 |
| 1 3/8 | 1.404 | 1.345 | 2.188 | 2.119 | 2.526 | 2.416 | 0.94 | 0.81 | 3 | 3.25 |
| 1 1/2 | 1.531 | 1.47 | 2.375 | 2.3 | 2.742 | 2.622 | 1.036 | 0.902 | 3.25 | 3.5 |
| 1 3/4 | 1.785 | 1.716 | 2.75 | 2.662 | 3.175 | 3.035 | 1.196 | 1.054 | 3.75 | 4 |
| 2 | 2.039 | 1.964 | 3.125 | 3.025 | 3.608 | 3.449 | 1.388 | 1.175 | 4.25 | 4.5 |
| 2 1/4 | 2.305 | 2.214 | 3.5 | 3.388 | 4.041 | 3.862 | 1.548 | 1.327 | 4.75 | 5 |
| 2 1/2 | 2.559 | 2.461 | 3.875 | 3.75 | 4.474 | 4.275 | 1.708 | 1.479 | 5.25 | 5.5 |
| 2 3/4 | 2.827 | 2.711 | 4.25 | 4.112 | 4.907 | 4.688 | 1.869 | 1.632 | 5.75 | 6 |
| 3 | 3.081 | 2.961 | 4.625 | 4.475 | 5.34 | 5.102 | 2.06 | 1.815 | 6.25 | 6. |
DIMENSION OF ISO 4014 GRADE 8.8 BOLTS
|
NOMINAL SIZE (D)
|
BODY DIAMETER
|
HEAD THICKNEASTM A193
|
ACROASTM A193 THE FLATS
|
ACROASTM A193 CORNERS
|
||||
|
D (MAX)
|
D (MIN)
|
H (MAX)
|
H (MIN)
|
F (MAX)
|
F (MIN)
|
C (MAX)
|
C (MIN)
|
|
|
m10
|
10.00
|
9.78
|
6.63
|
6.17
|
17.00
|
15.73
|
18.48
|
17.77
|
|
m12
|
12.00
|
11.73
|
7.76
|
4.24
|
19.00
|
17.73
|
20.78
|
20.03
|
|
m14
|
14.00
|
13.73
|
9.09
|
8.51
|
22.00
|
20.67
|
24.25
|
23.35
|
|
m16
|
16.00
|
15.73
|
10.32
|
9.68
|
24.00
|
23.67
|
27.71
|
26.75
|
|
m20
|
20.00
|
19.67
|
12.88
|
12.12
|
30.00
|
29.16
|
34.64
|
32.95
|
|
m24
|
24.00
|
23.67
|
15.44
|
14.56
|
36.00
|
35.00
|
41.57
|
39.55
|
|
m30
|
30.00
|
29.67
|
19.48
|
17.92
|
46.00
|
45.00
|
53.12
|
50.85
|
|
m36
|
36.00
|
35.61
|
23.38
|
21.63
|
55.00
|
53.80
|
63.51
|
60.79
|
|
m42
|
42.00
|
41.38
|
26.97
|
25.03
|
65.00
|
62.90
|
75.06
|
71.71
|
|
m48
|
48.00
|
47.38
|
31.07
|
28.93
|
75.00
|
72.60
|
86.60
|
82.76
|
|
m56
|
56.00
|
55.26
|
36.2
|
33.80
|
85.00
|
82.20
|
98.15
|
93.71
|
|
m64
|
64.00
|
63.26
|
41.32
|
38.68
|
95.00
|
91.80
|
109.70
|
104.65
|
|
m72
|
72.00
|
71.26
|
46.45
|
43.55
|
105.00
|
101.40
|
121.24
|
115.60
|
|
m80
|
80.00
|
79.26
|
51.58
|
48.42
|
115.00
|
111.00
|
132.72
|
126.54
|
|
m90
|
90.00
|
89.13
|
57.74
|
54.26
|
130.00
|
125.50
|
150.11
|
143.07
|
|
m100
|
90.00
|
99.13
|
63.9
|
60.10
|
145.00
|
140.00
|
167.43
|
159.60
|
EN 4014 HEX HEAD BOLTS SIZE CHART
| Nominal Dia Thr Pitch | Thread Dia | Body Dia | Flat Width | Head Height | Length | Thread Length |
| M1.6X.35 | 1.6000 | 1.6000 | 3.2000 | 1.2250 | 12, 16 | 9 |
| M2X.4 | 2.0000 | 2.0000 | 4.0000 | 1.5250 | 16, 20 | 10 |
| M2.5X.45 | 2.5000 | 2.5000 | 5.0000 | 1.8250 | 16, 20, 25 | 11 |
| M3X.5 | 3.0000 | 3.0000 | 5.5000 | 2.1250 | 20 to 30 by 5 | 12 |
| M4X.7 | 4.0000 | 4.0000 | 7.0000 | 2.9250 | 25 to 40 by 5 | 14 |
| M5X0.8 | 5.0000 | 5.0000 | 8.0000 | 3.6500 | 25 to 50 by 5 | 16 |
| M6X1 | 6.0000 | 6.0000 | 10.0000 | 4.1500 | 30 to 50 by 5, 60 | 18 |
| M8X1.25 | 8.0000 | 8.0000 | 13.0000 | 5.4500 | 40 to 70 by 5, 80 | 22 |
| M10X1.5 | 10.0000 | 10.0000 | 16.0000 | 6.5800 | 45 to 70 by 5, 80, 90, 100 | 26 |
| M12X1.75 | 12.0000 | 12.0000 | 18.0000 | 7.6800 | 50 to 70 by 5, 80 to 120 by 10 | 30 |
| M16X2 | 16.0000 | 16.0000 | 24.0000 | 10.1800 | 65, 70 to 160 by 10 | 38, 44 |
| M20X2.5 | 20.0000 | 20.0000 | 30.0000 | 12.7150 | 80 to 160 by 10, 180, 200 | 46, 52 |
| M24X3 | 24.0000 | 24.0000 | 36.0000 | 15.2150 | 90 to 160 by 10, 180 to 240 by 20 | 54, 60, 73 |
| M30X3.5 | 30.0000 | 30.0000 | 46.0000 | 19.1200 | 110 to 160 by 10, 180 to 300 by 20 | 66, 72, 85 |
| M36X4 | 36.0000 | 36.0000 | 55.0000 | 22.9200 | 140, 150, 160, 200 to 360 by 20 | 84, 97 |
| M42X4.5 | 42.0000 | 42.0000 | 65.0000 | 26.4200 | 160 to 440 by 20 | 96, 109 |
| M48X5 | 48.0000 | 48.0000 | 75.0000 | 30.4200 | 180 to 480 by 20 | 108, 121 |
| M56X5.5 | 56.0000 | 56.0000 | 85.0000 | 35.5000 | 220 to 500 by 20 | 137 |
| M64X6 | 64.0000 | 64.0000 | 95.0000 | 40.5000 | 260 to 500 by 20 | 153 |
WEIGHT OF ISO 4014 HEX HEAD BOLTS
| L | WEIGHT IN KG/1000 PCS | |||||||
| 30 | 8.06 | |||||||
| 35 | 9.13 | 18.20 | ||||||
| 40 | 10.20 | 20.30 | 35.00 | |||||
| 45 | 11.30 | 22.20 | 38.00 | 53.60 | ||||
| 50 | 12.30 | 24.20 | 41.10 | 58.10 | 82.00 | |||
| 55 | 13.40 | 25.80 | 43.80 | 62.60 | 88.10 | 115.00 | ||
| 60 | 14.40 | 27.80 | 46.90 | 67.00 | 94.10 | 123.00 | ||
| 65 | 29.80 | 50.00 | 70.30 | 98.80 | 131.00 | 171.00 | 219.00 | |
| 70 | 31.80 | 53.10 | 74.70 | 105.00 | 139.00 | 181.00 | 231.00 | |
| 75 | 33.70 | 56.20 | 79.10 | 111.00 | 147.00 | 191.00 | 243.00 | |
| 80 | 35.70 | 59.30 | 83.60 | 117.00 | 155.00 | 200.00 | 255.00 | |
| 85 | 62.40 | 88.10 | 123.00 | 163.00 | 210.00 | 267.00 | ||
| 90 | 65.50 | 92.40 | 127.00 | 171.00 | 220.00 | 279.00 | ||
| 95 | 68.60 | 96.80 | 133.00 | 179.00 | 230.00 | 291.00 | ||
| 100 | 71.70 | 101.00 | 139.00 | 186.00 | 240.00 | 303.00 | ||
| 110 | 109.00 | 151.00 | 202.00 | 260.00 | 327.00 | |||
| 120 | 118.00 | 164.00 | 218.00 | 280.00 | 351.00 | |||
| 130 | 174.00 | 230.00 | 296.00 | 374.00 | ||||
| 140 | 185.00 | 246.00 | 316.00 | 398.00 | ||||
| 150 | 262.00 | 336.00 | 422.00 | |||||
| 160 | 278.00 | 356.00 | 446.00 | |||||
| 170 | 376.00 | 470.00 | ||||||
| 180 | 396.00 | 494.00 | ||||||
| 190 | 519.00 | |||||||
| 200 | 544.00 |
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The basic thrust of the quality philosophy is summed up in the company's Quality Policy which serves as the bench mark of all functions executed by the company. Strict quality assurance system is being followed in all our departments and Total Quality Management is applied to streamline and all the procedures and practices in operation to achieve high standard of efficiency.
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