Grade 8 Hex Bolts Manufacturer
Specification
CHEMICAL & MECHANICAL COMPOSITION
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Class 8 Nuts, Flat Washers, Threaded Rod and SAE J429 Grade 8 Fasteners manufacturer in India
Manufacturer of SAE J429 Gr8 Eye Bolt, Allen Head Bolts and Grade 8 Socket Head Cap Screws and provides 100% PMI with all material
Detailed Information
In the manufacture and production of Superlative Grade 8 Hex Bolt Fasteners, Prashaant Steel & Alloys is experienced. We manufacture the Grade 8 Hex Bolt Fasteners at Prashaant Steel & Alloys in a range of sizes and diameters for our clients to choose from. In terms of the production of the internationally renowned Grade 8 Hex Bolt Fasteners, Prashaant Steel & Alloys is a popular company. In alloy steel, we manufacture the Grade 8 Hex Bolt Fasteners, which gives different corrosive media high resistivity. The Grade 8 Hex Bolt Fasteners are also designed in compliance with our customers’ needs and specifications. We supply the wrapped product with Grade 8 Hex Bolt Fasteners packed in suitable wooden boxes to ensure minimal product deterioration for customers of Prashaant Steel & Alloys suppliers from all over the world and to ensure that the product is manufactured according to schedule. We also supply some documentation to our customers which guarantee the quality of our products. Some of the documents that we provide with our Grade 8 Hex Bolt Fasteners Are Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc.
Sae J429 Grade 8 normal specification for in-series metal screws screws, studs, SEMS screws along with ubolts in measurements upto 1-1/2 inch. It is typically constructed out of versions of moderate carbon dioxide. It have been made, fabricated and tested to follow the expectations determined by SAE J429 for evidence loading, yield and tensile strength, elongation, area roughness and heart hardness. Grade 8 Self Tapping Screws are one of the most commonly used industrial fasteners. It is one of the earliest engineered products of fastener. It is manufactured out of hardened steel, and their use powered the Industrial Revolution. And still it is incredibly common today; self-tapping screws include many styles and types which are made for specific fastening functions. Since they are used so heavily in the sheet metal trade, it can accurately be described simply a tapping screw, but is also regularly referred to as a sheet metal screw.
Grade 8 Hex Bolts is a type of threaded bolt which is characterized by their six-sided hexagonal-shaped head. It is suitable for use in a wide range of applications, typically construction and machinery. Grade 8 Metric Bolts are threaded fasteners whose length, thread pitch, thread length and thread length are offered in metric measurement, such as one millimeter. It can be fully or partially threaded; a partially threaded bolt has an area beneath the head that is bare from threads. Grade 8 Threaded Rod is a rod of varying length that is threaded in a helical structure and is often referred to as a stud. It is a relatively long rod that is threaded on both the ends; the thread can be extended along the complete length of the rod. It is been manufactured to be used in tension.
Grade 8 Lag Screws is one of the toughest fasteners. It is an extremely sturdy fastener which is usually used to connect heavy lumber or other heavy materials that are bearing an intense load. It differs from normal wood, self-drilling or sheet metal screws. Grade 8 Plow Bolts are a specialized type of fastener. It is similar to carriage bolts, but the head of a plow bolt is concave or flat. It is used for creating mechanical bearings, which requires a smooth surface where the bolt heads can be efficiently pop out. Grade 8 U Bolt is often used for the attaching of pipes or steel round bars to round wood or steel posts. It is an industrial fastener in the shape of the letter U with two threaded arms (or legs) extending from a curved base.
Grade 8 Hex Bolts Specifications
Heat-treated High strength SAE Grade 8 Nuts and Bolts, Cap Screw, Lock Nut, Button Head Bolts & Lag Screws in M1.4 to M30 Metric Size and Fine Thread, buy directly from Grade 8 Metric Bolts manufacturers in India for factory price
SAE Grade 2 Bolts |
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SAE Grade 5 Bolts |
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SAE Grade 8 Bolts |
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SAE J429 Grade 8 Fasteners Sizes |
M24-M100 |
Class 8 Bolts Size Metric |
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Grade 8 Hex Bolts Size Inch |
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Standard |
Manufacturer of Grade 8 Hex Bolts as per IS, ASTM, DIN, ISO, ANSI, EU, IFI, JIS, ASME, BS, UNI, GB, CSN, PN, and all International Standards
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Grade 8 Hex Bolts Length |
3 mm to 200 mm |
SAE Grade 8 Bolts & Screws US Threads |
UNJC and UNJF threads, METRIC, BSF, Unified national fine (UNF), Unified national extra fine (UNEF), Unified national coarse (UNC), BSW, UNK, UNR, Constant-pitch threads |
Chemical Composition Of SAE J429 Grade 8 Hex Bolts
J429 Grade |
Bolt Marking |
Material |
Carbon (C) |
Phosphorus, maximum |
Sulfur, maximum |
2 |
No Marking |
low or medium carbon steel |
0.15 – 0.55% |
0.03% |
0.05% |
5 |
3 radial lines |
medium carbon steel |
0.28 – 0.55% |
0.003% |
0.05% |
8 |
6 radial lines |
medium carbon alloy steel |
0.28 – 0.55% |
0.03% |
0.05% |
Mechanical Properties Of Class 8 Nut Bolt
J429 Grade |
Size Range |
Full Size Proofload, psi |
Yield Stress, psi min. |
Tensile Stress, psi min. |
Elong. min. |
RA min. |
Core Hardness, Rockwell |
Tempering Temperature |
2 |
1/4″ – 3/4″ |
55,000 |
57,000 |
74,000 |
18 |
35 |
B80 to B100 |
NA |
over 3/4″ – 1-1/2″ |
33,000 |
36,000 |
60,000 |
18 |
35 |
B70 to B100 |
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5 |
1/4″ – 1″ |
85,000 |
92,000 |
120,000 |
14 |
35 |
C25 to C34 |
800F |
over 1″ – 1-1/2″ |
74,000 |
81,000 |
105,000 |
14 |
35 |
C19 to C30 |
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8 |
1/4″ – 1-1/2″ |
120,000 |
130,000 |
150,000 |
12 |
35 |
C33 to C39 |
800F |
Physical Strength
SAE Grade |
Marking |
Size Range (in) |
Proof Load (psi) |
Min. Yield Strength (psi) |
Steel Material |
Grade 1 |
|
1/4 – 1 1/2 |
|
|
Low/ medium carbon steel |
Grade 2 |
No marking |
1/4 – 3/4 7/8 – 1 1/2 |
55 33 |
74 60 |
Low/ medium carbon steel |
Grade 5 |
Three radial lines |
1/4 – 1 1 1/8 – 1 1/2 |
85 74 |
120 105 |
Medium carbon steel, Q & T |
Grade 5.2 |
|
1/4 – 1 |
85 |
120 |
Q & T, Low carbon martensite steel |
Grade 7 |
|
1/4 – 1 1/2 |
105 |
133 |
Q & T, Medium carbon alloy steel |
Grade 8 |
6 radial lines |
1/4 – 1 1/2 |
120 |
150 |
Q & T, Medium carbon alloy steel |
Grade 8.2 |
|
1/4 – 1 |
120 |
150 |
Q & T, Low carbon martensite steel |
SAE Grades Bolt Marking
Bolt SAE Grade |
Dia (in) |
Yield Strength |
Proof Strength |
Tensile Strength (Ultimate) |
Grade 8 |
1/4 to 1-1/2 |
130 |
120 |
150 |
ASME B18.5 SAE J429 Fasteners Recommended Hardware
J429 Grade 2 |
ASTM A307 Grade A or Grade B |
J429 Grade 5 |
ASTM A449 or A354 Grade BC |
J429 Grade 8 |
ASTM A354 Grade BD |
Class 8 Hex Nuts Dimensions
ASME B18.5 SAE J429 Heavy Hex Nut Dimensions in mm
ISO SAE J429 Grade 8 Hex Nut NB |
Across Corners |
MAX Thickness |
MIN Thickness |
MAX Across Flats |
MIN Across Flats |
M 8 |
14.38 |
6.8 |
6.44 |
13 |
12.73 |
M 10 |
17.77 |
8.4 |
8.04 |
16 |
15.73 |
M 12 |
20.03 |
10.8 |
10.37 |
18 |
17.73 |
M 14 |
23.35 |
12.8 |
12.1 |
21 |
20.67 |
M 16 |
26.75 |
14.8 |
14.1 |
24 |
23.67 |
M 18 |
29.56 |
15.8 |
15.1 |
27 |
26.16 |
M 20 |
32.95 |
18 |
16.9 |
30 |
29.16 |
M 22 |
37.29 |
19.4 |
18.1 |
34 |
33 |
M 24 |
39.55 |
21.5 |
20.2 |
36 |
35 |
M 27 |
45.2 |
23.8 |
22.5 |
41 |
40 |
M 30 |
50.85 |
26.6 |
24.3 |
46 |
45 |
M 33 |
55.37 |
28.7 |
27.4 |
50 |
49 |
M 36 |
60.79 |
31 |
29.4 |
55 |
53.8 |
M 39 |
66.44 |
33.4 |
31.8 |
60 |
58.8 |
M 42 |
71.3 |
34 |
32.4 |
65 |
63.1 |
M 45 |
76.95 |
36 |
34.4 |
70 |
68.1 |
M 48 |
82.6 |
38 |
39.4 |
75 |
73.1 |
M 52 |
88.25 |
42 |
40.4 |
80 |
78.1 |
M 56 |
93.56 |
45 |
43.4 |
85 |
82.8 |
M 60 |
99.21 |
48 |
46.4 |
90 |
87.8 |
M 64 |
104.86 |
51 |
49.1 |
95 |
92.8 |
M 68 |
110.51 |
54 |
52.1 |
100 |
97.8 |
M 72 x 6 |
116.16 |
58 |
56.1 |
105 |
102.8 |
M 76 x 6 |
121.81 |
61 |
59.1 |
110 |
107.8 |
M 80 x 6 |
127.46 |
64 |
62.1 |
115 |
112.8 |
SAE Grade 8 Washer Sizes
SAE J429 Grade 8 SAE Flat Washers |
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Size |
Inside Diameter |
Outside Diameter |
Thickness |
#2 |
3/32″ |
1/4″ |
.020″ |
#4 |
1/8″ |
5/16″ |
1/32″ |
#6 |
5/32″ |
3/8″ |
3/64″ |
#8 |
3/16″ |
7/16″ |
3/64″ |
#10 |
7/32″ |
1/2″ |
3/64″ |
1/4 |
9/32″ |
5/8″ |
1/16″ |
5/16 |
11/32″ |
11/16″ |
1/16″ |
3/8 |
13/32″ |
13/16″ |
1/16″ |
7/16 |
15/32″ |
59/64″ |
1/16″ |
1/2 |
17/32″ |
1-1/16″ |
3/32″ |
9/16 |
19/32″ |
1-3/16″ |
3/32″ |
5/8 |
21/32″ |
1-5/16″ |
3/32″ |
3/4 |
13/16″ |
1-1/2″ |
9/64″ |
7/8 |
15/16″ |
1-3/4″ |
9/64″ |
1″ |
1-1/16″ |
2″ |
9/64″ |
1-1/8 |
1-3/16″ |
2-1/4″ |
9/64″ |
1-1/4 |
1-5/16″ |
2-1/2″ |
5/32″ |
1-1/2 |
1-7/16″ |
3″ |
3/16″ |
1-5/8 |
1-3/4″ |
3-3/4″ |
3/16″ |
1-3/4 |
1-7/8″ |
4″ |
3/16″ |
2 |
2-1/8″ |
4-1/2″ |
3/16″ |
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