Stainless Steel 347/347H Screws

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Manufacturer, Exporter & Supplier of Stainless Steel 347/347H Screws

Stainless Steel 347/347H Screws

Introducing GIC Fasteners' Stainless Steel 347/347H Screws, the epitome of precision engineering and reliability. Crafted to meet a spectrum of industry standards including DIN, ASTM, ISO, and BS, these screws are designed to excel in high-temperature and corrosive environments. Our commitment to quality ensures they adhere to equivalent international standards, making them the go-to choice across aerospace, petrochemical, power generation, and various other industries. When you choose GIC Fasteners, you're selecting screws engineered for the most demanding applications, promising steadfast performance, and unwavering strength. Trust us for solutions that not only meet but exceed industry expectations.

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Stainless Steel 347/347H Screws Manufacturer

When it comes to high-temperature and corrosive environments, Stainless Steel 347/347H Screws are the ultimate choice. At GIC Fasteners, we’ve perfected the art of manufacturing these exceptional fasteners. These screws, made from the 347 stainless steel alloy, are engineered to withstand extreme conditions with unrivaled strength and corrosion resistance. Whether you’re in the aerospace, petrochemical, or power generation industry, our 347/347H screws are the reliable solution you need for your critical applications.

At GIC Fasteners, we take pride in being experts in the field. Our commitment to quality and precision ensures that every screw we produce adheres to the highest industry standards. Whether you require screws for chemical processing, oil & gas, or medical devices, our Stainless Steel 347/347H Screws deliver uncompromising performance. Contact our expert team at sales@gicfasteners.com to discuss your specific requirements and experience the reliability and durability of GIC Fasteners’ products firsthand.

Specification List Of Stainless Steel 347/347H Screws

Specifications : ASTM A 193 / ASME SA 193
Standard : DIN, ASTM, BS, ISO and all International Standards
Length : 3 mm to 200 mm
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Type : Hex Head Screw, Socket Head Cap Screw, Cheese Head Screws, Anchor Screw, Button Head Screws, Concrete screw, Threaded Screw, Pan Head Screw, Panel Screw, Machine Screw.

Chemical Composition Of Stainless Steel 347/347H Screws

Grade C Mn Si P S Cr Ni Ti
347 0.08 max. 2.00 max. 0.75 max. 0.045 max. 0.03 max. 17.0 – 19.0 9.0-13.0 10 x C min.(1.00 max.)
347H 0.04 – 0.10 2.00 max. 0.75 max. 0.045 max. 0.03 max. 17.0 – 19.0 9.0-13.0 8 x C min. 1.00 max.)

Mechanical Properties Of Stainless Steel 347/347H Screws

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.96 g/cm3 1450 °C Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40 %

Stainless Steel 347/347H Screws Equivalent Grades

STANDARD WERKSTOFF NR. UNS
SS 347 1.4550 S34700
SS 347H 1.4961 S34709

Stainless Steel 347/347H Self Tapping Screw Dimensions

Self Tapping Screws Flat Head Dimensions

Flat Head Machine Screws

Nominal Size A H J T M G N Phillips
Driver Size
Head Diameter Height of Head Width of Slot Depth of Slot Dimensions of Recess
Diameter Depth Width
Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min.
2
4
5
6
7*
8
9*
10
12
14*
1/4
5/16
3/8
1/2
.172
.225
.252
.279
.305
.332
.358
.385
.438
.491
.507
.635
.762
.875
147
.195
.220
.244
.268
.292
.316
.340
.389
.437
.452
.568
.685
775
.051
.067
.075
.083
.091
.100
.108
.116
.132
.148
.153
.191
.230
.223
.040
.055
.062
.069
.076
.084
.091
.098
.112
.127
.131
.165
.200
.198
.031
.039
.043
.048
.048
.054
.054
.060
.067
.075
.075
.084
.094
.106
.023
.031
.035
.039
.039
.045
.045
.050
.056
.064
.064
.072
.081
.091
.023
.030
.034
.038
.041
.045
.049
.053
.060
.068
.070
.088
.106
.103
.015
.020
.022
.024
.027
.029
.032
.034
.039
.044
.046
.058
.070
.065
.102
.128
.154
.174
.182
.189
.258
.204
.268
.283
.283
.365
.393
.424
.089
.115
.141
.161
.169
.176
.245
.191
.255
.270
.270
.352
.380
.411
.063
.089
.086
.106
.114
.121
.146
.136
.156
.171
.171
.216
.245
.276
.017
.018
.027
.029
.030
.031
.034
.032
.036
.039
.035
.061
.065
.069
1
1
2
2
2
2
2
2-3*
3
3
3
4
4
4

SS 347/347H Self Drilling, Tapping, Machine Screw Dimensions

Self Tapping Screws Dimensions
Slotted, Hex Head
Nominal
Size
A W H F U J T
Width
Across
Flats
Width
Across
Corners
Height
of
Head
Diameter
of
Washer
Thickness
of
Washer
Width
of
Slot
Depth
of
Slot
Max. Min. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min.
4
6
7
8
10
12
14
1/4
5/16
3/8
.187
.250
.250
.250
.312
.312
.438
.375
.500
.562
.181
.244
.244
.244
.305
.305
.428
.367
.489
.551
.202
.272
.272
.272
.340
.340
.409
.409
.545
.614
.060
.093
.093
.110
.120
.155
.190
.190
.230
.295
.049
.080
.080
.096
.105
.139
.172
.172
.208
.270
.243
.328
.328
.348
.414
.432
.520
.520
.676
.780
.225
.302
.302
.322
.384
.398
.480
.480
.624
.720
.019
.025
.029
.031
.031
.039
.050
.050
.055
.063
.011
.015
.017
.019
.019
.022
.030
.030
.035
.037
.039
.048
.048
.054
.060
.067
.075
.075
.084
.094
.031
.039
.039
.045
.050
.056
.064
.064
.072
.081
.042
.053
.062
.074
.080
.103
.111
.111
.134
.168
.025
.033
.040
.052
.057
.077
.083
.083
100
.131

Dimensions of Stainless Steel 347/347H Socket Head Cap Screws

Dimensions of Socket Head Cap Screws
Nominal
Thread.
Hex Socket Size
Body diameter and Head height
Head Dia
Soc. length
Size
Pitch
Max
Min
Max
Min
J
D /H
A
K
M3
0.5
2.50
3.00
2.86
5.50
5.20
1.3
M4
0.70
3.00
4.00
3.82
7.00
6.64
2.00
M5
0.8
4.00
5.00
4.82
8.50
8.14
2.70
M6
1.0
5.00
6.00
5.82
10.00
9.64
3.30
M8
1.25
6.00
8.00
7.78
13.00
12.57
4.3
M10
1.5
8.00
10.00
9.78
16.00
15.57
5.50
M12
1.75
10.00
12.00
11.73
18.00
17.57
6.60
M16
2.0
14.00
16.00
15.73
24.00
23.48
8.80
M20
2.5
17.00
20.00
19.67
30.00
29.48
10.70
M24
3.0
19.00
24.00
23.67
36.00
35.38
12.90

Range of Stainless Steel 347/347H Screws

Different Types of Stainless Steel 347/347H Screws

  • Stainless Steel 347/347H Hex Cap Screws
  • Stainless Steel 347/347H Socket Cap Screws
  • Stainless Steel 347/347H Square Head Screws
  • Stainless Steel 347/347H Flange Head Screws
  • Stainless Steel 347/347H Button Head Screws
  • Stainless Steel 347/347H Round Head Screws
  • Stainless Steel 347/347H Oval Head Screws
  • Stainless Steel 347/347H Hammer Head Screws
  • Stainless Steel 347/347H Truss Head Screws
  • Stainless Steel 347/347H Dome Head Screws
  • Stainless Steel 347/347H Pan Head Screws
  • Stainless Steel 347/347H Cheese Head Screws
  • Stainless Steel 347/347H Knurled Head Screws
  • Stainless Steel 347/347H Mushroom Head Screws
  • Stainless Steel 347/347H Fillister Head Screws
  • Stainless Steel 347/347H T Head Screws
  • Stainless Steel 347/347H Countersunk Screws
  • Stainless Steel 347/347H Set Screws
  • Stainless Steel 347/347H Coach Screws
  • Stainless Steel 347/347H Mating Screws
  • Stainless Steel 347/347H Wood Screws
  • Stainless Steel 347/347H Butterfly Screws
  • Stainless Steel 347/347H Self Drilling SMS
  • Stainless Steel 347/347H Thread Cutting
  • Stainless Steel 347/347H Thread Forming
  • Stainless Steel 347/347H Thumb Screws
  • Stainless Steel 347/347H Self Tapping Screws
  • Stainless Steel 347/347H Machined Screw
  • Stainless Steel 347/347H Self Drilling Screws
  • Stainless Steel 347/347H Phillips Head Screws

Characteristics of Stainless Steel 347/347H Screws

  • Corrosion Resistance: Stainless Steel 347/347H Screws exhibit exceptional resistance to corrosion, making them ideal for use in harsh environments.
  • High Temperature Performance: These screws maintain their strength and integrity at elevated temperatures, making them suitable for applications involving heat and thermal cycling.
  • Chemical Compatibility: They are highly resistant to chemical reactions, ensuring stability when exposed to a wide range of chemicals and acids.
  • Durable and Long-Lasting: Known for their longevity, these screws offer a reliable and extended service life.
  • Excellent Weldability: Stainless Steel 347/347H Screws can be easily welded, providing flexibility in assembly and construction.
  • Precision Manufacturing: Crafted with precision by experts, these screws meet stringent industry standards, including DIN, ASTM, ISO, and BS.
  • Versatile Applications: They find applications in diverse industries, such as aerospace, petrochemical, and manufacturing, due to their versatile properties.
  • Superior Mechanical Properties: These screws exhibit high tensile strength, good creep resistance, and impressive toughness.
  • Optimized for High-Pressure Environments: Stainless Steel 347/347H Screws are designed to withstand high-pressure conditions without compromising structural integrity.

Industries/Applications of Stainless Steel 347/347H Screws

IndustriesApplications
AerospaceUsed in aircraft engines, exhaust systems, and structural components due to their ability to withstand high temperatures and corrosive conditions.
PetrochemicalIdeal for petrochemical plants, these screws are resistant to chemical corrosion and are used in equipment for processing and transporting chemicals.
Power GenerationCommonly employed in power plants for their resistance to high-temperature steam and aggressive combustion environments.
Chemical ProcessingUsed in reactors, pipelines, and vessels where resistance to corrosive chemicals at elevated temperatures is crucial.
Oil & GasKey components in offshore drilling rigs and refineries, withstanding exposure to harsh seawater and hydrocarbon environments.
Food ProcessingCommonly used in food and beverage plants where hygiene, corrosion resistance, and high-temperature performance are essential.
Medical DevicesUsed in the manufacture of medical equipment and surgical instruments due to their biocompatibility and resistance to bodily fluids.
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Stainless Steel 347/347H Screws - FAQs

Stainless Steel 347 screws contain columbium for stabilization, while 347H screws are high-carbon variants designed for elevated temperature service.

Yes, these screws offer high corrosion resistance and can endure harsh conditions, including acidic and chloride-rich environments.

Stainless Steel 347 screws can withstand temperatures up to 1600°F (870°C), and 347H screws can handle even higher temperatures, up to 2100°F (1150°C).

Yes, they are weldable, but post-weld heat treatment may be necessary for optimal performance in specific applications.

These screws find applications in various industries, including petrochemical, chemical processing, aerospace, and power generation.

Yes, GIC Fasteners offers customization options to meet specific size, threading, and other requirements.

Lead times may vary, but GIC Fasteners strives to provide prompt delivery based on order specifications and quantities.

Regular inspection, cleaning, and avoiding exposure to extreme conditions will help prolong the life and performance of these screws.

Indeed, Stainless Steel 347/347H screws are often chosen for nuclear applications due to their exceptional resistance to radiation and high-temperature environments.

Stainless Steel 347/347H Screws - Export Destination

Stainless Steel 347/347H Screws Supplier in North America

Antigua and Barbuda, Bahamas, Barbados, Belize, Canada, Costa Rica, Cuba, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, United States.

Stainless Steel 347/347H Screws Supplier in South America

Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Falkland Islands, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela.

Stainless Steel 347/347H Screws Supplier in Europe

Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic (Czechia), Denmark, Estonia, Finland, France, Germany, Greece, Holy See, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom.

Stainless Steel 347/347H Screws Supplier in Asia

Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, Cyprus, Georgia, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Laos, Lebanon, Malaysia, Maldives, Mongolia, Myanmar, Nepal, Oman, Pakistan, Palestine, Philippines, Qatar, Saudi Arabia, Singapore, South Korea, Sri Lanka, State of Palestine, Syria, Taiwan, Tajikistan, Thailand, Timor-Leste, Turkey, Turkmenistan, United Arab Emirates, Uzbekistan, Vietnam, Yemen.

Stainless Steel 347/347H Screws Supplier in Australia

Australia, Fiji, Kiribati, Marshall Islands, Micronesia, Nauru, New Zealand, Palau, Papua New Guinea, Samoa, Solomon Islands, Tonga, Tuvalu, Vanuatu.