Repute Steel & Engineering Company is a trusted name in the manufacturing and supply of high-quality stainless steel nuts, including A2-70 Hex Flange Nuts and Stainless Steel 304 Long Hex Nuts. With a commitment to precision and reliability, the company produces a wide range of nuts adhering to ASTM A563 specifications, covering sizes from ¼ inch to 4 inches. Designed to cater to various industrial applications, these nuts are available in multiple grades, threads, and lengths, ensuring suitability for diverse environments, including high-vibration and corrosive conditions.
Repute Steel offers a comprehensive range of hex nuts, including Hex Jam Nuts, Hex Coupling Nuts, and Hex Head Barrel Nuts. These products are tailored for applications like fittings, flanges, and general-purpose use. Different grades, such as A, B, C, and C3, cater to specific chemical and mechanical requirements. The nuts are manufactured using various materials like carbon steel, quenched and tempered steel, and weathering steel, ensuring high durability and performance. Popular options include the M6 Hex Nut, designed for compact fittings, and Long Hex Nuts, which are ideal for high-vibration applications like aircraft engines. The Hex Coupling Nut, in particular, facilitates secure connections between tubular components for seamless coupling in industrial setups.
Repute Steel & Engineering Company is dedicated to delivering high-quality products at competitive prices. With advanced manufacturing processes and strict quality control measures, the company ensures that every nut meets international standards such as DIN 934. Whether you require a small order of M6 Hex Nuts or a bulk supply of Long Hex Nuts for specialized applications, Repute Steel is equipped to meet your needs. Their focus on customer satisfaction, timely delivery, and customization options makes them a preferred partner for hex nuts and fasteners. Contact Repute Steel today to explore their range of products and receive a tailored quote for your requirements.
Standard Specification of Hex Nuts
|
Material
|
Standards
|
Grades
|
|---|---|---|
|
Nickel Alloy Hex Nuts |
ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472
|
UNS 2200 (NICKEL 200) / UNS 2201 (NICKEL 201), UNS 4400
(MONEL 400), UNS 8825 (INCONEL 825), UNS 6600 (INCONEL 600) / UNS 6601
(INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS
8020 (ALLOY 20 / 20 CB 3)
|
|
Stainless Steel Hex Nuts
|
ASTM / ASME A/SA 193 / 194
|
B 8 (304), B 8C (SS 347), B 8M (SS 316), B 8 T (SS 321),
A 2, A 4
|
|
Alloy Steel Hex Nuts
|
ASTM / ASME A/SA 193 / 194 GR
|
B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M
|
|
Duplex Steel Hex Nuts
|
UNS NO. S 31803, S 32205
|
Range: M10 TO M100, LENGTH UPTO 5
METERS
|
|
Nonmetallic Materials:
|
Acrylic, Kel-F, Lexan, Polypropylene, Poly Vinyl Chloride, Teflon, Zytel 31, 101, 105 | |
|
High-Temp Alloys
|
Discaloy, 19-9 DL, 16-25-6, A286, Titanium, Nimonic 80, Mulitmet, Haynes 25, Greek Ascalloy, Unitemp 252, Udimet 500, Rene 41, Inco 700, Inco 901, Hastelloy X, 235, Waspaloy, RA 330 | |
|
Copper Base Alloys
|
Copper, Brasses: Yellow, Free-cut, Red, Naval, Bronze: Commercial, Phosphor, Silicon A & B, Aluminum, Silicon-Aluminum, Manganese, Ampco Alloys, Munitz Metal, Cupro-Nicles | |
|
Aluminum Alloys:
|
1100, 2011, 2014, 2017, 2024, 3003, 5052, 6053, 6061, 7075 | |
|
Trademarks:
|
Carpenter, Armco, INCO, Cabot, DuPont. | |
|
Finish:
|
Black Oxide, Zinc Plating, Hot Dip Galvanized | |
ISO 4032 hex nut Dimensions Chart
|
Nut Size
|
Diameter*
|
Height
|
||
|---|---|---|---|---|
|
Hex Nut
|
Jam Nut
|
Nylock Nut
|
||
|
2
|
4
|
1.6
|
1.2
|
-
|
|
2.5
|
5
|
2
|
1.6
|
-
|
|
3
|
5.5
|
2.4
|
1.8
|
4
|
|
4
|
7
|
3.2
|
2.2
|
5
|
|
5
|
8
|
4
|
2.7
|
5
|
|
6
|
10
|
5
|
3.2
|
6
|
|
7
|
11
|
5.5
|
3.5
|
-
|
|
8
|
13
|
6.5
|
4
|
8
|
|
10
|
17
|
8
|
5
|
10
|
|
12
|
19
|
10
|
6
|
12
|
|
14
|
22
|
11
|
7
|
14
|
|
16
|
24
|
13
|
8
|
16
|
|
18
|
27
|
15
|
9
|
18.5
|
|
20
|
30
|
16
|
10
|
20
|
|
* This is the diameter across the
flats. It is also the size of wrench to use.
|
||||
|
Nominal Size
|
F
|
C
|
H
|
|||||
|---|---|---|---|---|---|---|---|---|
|
Width Across Flats
|
Width Across Corners
|
Thickness
|
||||||
|
Basic
|
Max
|
Min
|
Max
|
Min
|
Basic
|
Max
|
Min
|
|
|
3/8
|
9/16
|
0.562
|
0.551
|
0.650
|
0.628
|
21/64
|
0.337
|
0.320
|
|
1/2
|
3/4
|
0.750
|
0.736
|
0.866
|
0.840
|
7/16
|
0.448
|
0.427
|
|
5/8
|
15/16
|
0.938
|
0.922
|
1.083
|
1.051
|
35/64
|
0.559
|
0.535
|
|
3/4
|
1-1/8
|
1.125
|
1.088
|
1.299
|
1.240
|
41/64
|
0.665
|
0.617
|
|
7/8
|
1-5/16
|
1.312
|
1.269
|
1.516
|
1.447
|
3/4
|
0.776
|
0.724
|
|
1
|
1-1/2
|
1.500
|
1.450
|
1.732
|
1.653
|
55/64
|
0.887
|
0.831
|
|
1-1/8
|
1-11/16
|
1.688
|
1.631
|
1.949
|
1.859
|
31/32
|
0.999
|
0.939
|
|
1-1/4
|
1-7/8
|
1.875
|
1.812
|
2.165
|
2.066
|
1-1/16
|
1.094
|
1.030
|
|
1-3/8
|
2-1/16
|
2.062
|
1.994
|
2.382
|
2.273
|
1-11/64
|
1.206
|
1.138
|
|
1-1/2
|
2-1/4
|
2.250
|
2.175
|
2.598
|
2.480
|
1-9/32
|
1.317
|
1.245
|
ASME b18.2.2 hex nut Sizes And Schedules
| Threads Per Inch | Hex Nuts | |||||
| Bolt Size | USS | ASTM | SAE | Width Across Flats | Width Across Corners | Basic Thickness |
| 1/4 | 20 | n/a | 28 | 7/16 | 1/2 | 7/32 |
| 5/16 | 18 | 24 | 1/2 | 9/16 | 11/64 | |
| 3/8 | 16 | 9/16 | 41/64 | 21/64 | ||
| 7/16 | 14 | 20 | 11/16 | 25/32 | 3/8 | |
| 1/2 | 13 | 3/4 | 27/32 | 7/16 | ||
| 9/16 | 12 | 18 | 7/8 | 1 | 31/64 | |
| 5/8 | 11 | 15/16 | 1 1/6 | 35/64 | ||
| 3/4 | 10 | 16 | 1 1/8 | 1 9/32 | 41/64 | |
| 7/8 | 9 | 14 | 1 5/16 | 1 31/64 | 3/4 | |
| 1 | 8 | 1 1/2 | 1 11/16 | 55/64 | ||
| 1 1/8 | 7 | 8 | 12 | 1 11/16 | 1 29/32 | 31/32 |
| 1 1/4 | 1 7/8 | 2 1/8 | 1 1/16 | |||
| 1 3/8 | 6 | 2 1/16 | 2 5/16 | 1 11/64 | ||
| 1 1/2 | 2 1/4 | 2 17/32 | 1 9/32 | |||
| 1 5/8 | 5 1/2 | 2 7/16 | 2 3/4 | 1 25/64 | ||
| 1 3/4 | 5 | 2 5/8 | 3 1/64 | 1 1/2 | ||
| 1 7/8 | 2 3/4 | 3 11/64 | 1 3/4 | |||
| 2 | 4 1/2 | 3 | 3 7/16 | 1 23/32 | ||
| 2 1/4 | 3 3/8 | 3 57/64 | 1 59/64 | |||
| 2 1/2 | 4 | 3 3/4 | 4 5/16 | 2 9/64 | ||
| 2 3/4 | 4 1/8 | 4 3/4 | 2 23/64 | |||
| 3 | 4 1/2 | 5 3/16 | 2 37/64 | |||
| 3 1/4 | n/a | |||||
| 3 1/2 | ||||||
| 3 3/4 | ||||||
| 4 | ||||||
| 4 1/4 | ||||||
| 4 1/2 | ||||||
| 4 3/4 | ||||||
| 5 | ||||||
| 5 1/4 | ||||||
| 5 1/2 | ||||||
| 5 3/4 | ||||||
| 6 | ||||||
UNI 5588 Hexagon Nuts standards
ID Grade Mark |
Specification |
Part Description |
Material |
Nom Size Range |
Yield (min psi) |
Tensile (min psi) |
Proof Load (psi) |
|
No Grade Mark |
SAE J995 Grade 2 |
Hot or Cold Forged Nut |
Carbon Steel |
¼ and Larger |
|
|
90,000 |
|
Hex Nut |
SAE J995 Grade 5 |
Hot or Cold Forged Nuts |
Carbon Steel |
¼ and Larger |
|
|
120,000 (UNC) 109,000 (UNF) |
|
Stainless Steel Hex Nut |
SAE J995 Grade 8 |
Hot or Cold Forged Nuts |
Carbon Steel Quenched and Tempered |
¼ and Larger |
|
|
150,000 |
|
2H |
ASTM A194 |
Hot or Cold Forged Nuts for High Pressure and High Temperature Service |
Medium Carbon Steel Quenched and Tempered |
¼ and Larger |
|
|
175,000 |
|
4 |
ASTM A194 |
Hot or Cold Forged Nuts for High Pressure and High Temperature Service |
Medium Carbon Alloy Steel Quenched and Tempered |
¼ and Larger |
|
|
175,000 |
|
7 |
ASTM A194 |
Hot or Cold Forged Nuts for High Pressure and High Temperature Service |
Medium Carbon Alloy Steel Quenched and Tempered |
¼ and Larger |
|
|
175,000 |
|
8 |
ASTM A194 |
Hot or Cold Forged Nuts for High Pressure and High Temperature Service |
AISI 304 |
¼ and Larger |
|
|
80,000 75,000 |
|
8M |
ASTM A194 |
Hot or Cold Forged Nuts for High Pressure and High Temperature Service |
AISI 316 |
¼ and Larger |
|
|
80,000 75.000 |
|
8T |
ASTM A194 |
Hot or Cold Forged Nuts for High Pressure and High Temperature Service |
AISI 321 |
¼ and Larger |
|
|
80,000 75.000 |