GIC Fasteners, a leading manufacturer of top-tier fastening solutions, proudly presents our line of Stainless Steel 317/317L Screws. Engineered to meet the stringent requirements of DIN, ASTM, ISO, and BS standards, these screws exemplify precision and durability. Crafted with meticulous attention to detail, our Stainless Steel 317/317L Screws are designed to excel in a wide range of applications, providing exceptional corrosion resistance and superior performance. Trust GIC Fasteners to deliver the highest quality fasteners that meet or exceed international standards, ensuring the longevity and reliability of your projects.
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ToggleWhen it comes to fasteners that need to withstand the harshest of environments, Stainless Steel 317/317L Screws from GIC Fasteners are the ultimate choice. Our expertise in manufacturing high-quality stainless steel fasteners has made us a trusted name in the industry. These screws are expertly engineered to deliver unmatched durability and corrosion resistance, making them ideal for a wide range of applications.
Stainless Steel 317/317L is a low-carbon, high-alloy material that exhibits exceptional resistance to corrosive substances, including acids and chemicals. Whether you’re working in chemical processing plants, marine environments, or any setting where corrosion is a concern, our screws provide long-lasting performance you can rely on. At GIC Fasteners, we prioritize quality, precision, and durability in every product we create. Trust us to deliver the stainless steel screws you need to ensure the longevity and integrity of your projects. For inquiries or to request a quote, simply email us at sales@gicfasteners.com and let our experts assist you in finding the perfect stainless steel fastening solution for your specific needs.
Specifications | : | ASTM A 193 ASME SA 193 |
Standard | : | DIN, ASTM, BS 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, Socket Set Screws, Anchor Screw, Blind Rivet, Concrete screw, Threaded Screw, Steel Shoulder Screw, Panel Screw, Machine Screw. |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
317 SS Screw | Min | - | - | - | 0 | - | 16.0 | 2.00 | 10.0 | - |
Max | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | |
SS 317L Screw | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Grade | Tensile Str (MPa) min |
Yield Str 0.2% Proof (MPa) min |
Elong (% in 50mm) min |
Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
317 | 515 | 205 | 40 | 95 | 217 |
317L | 485 | 170 | 40 | 95 | 217 |
Grade | Elastic Modulus (GPa) |
Density (kg/m3) |
Mean Co-eff of Thermal Expansion (µm/m/°C) |
Thermal Conductivity of Screws (W/m.K) |
Elec Resistivity (nΩ.m) |
Specific Heat 0-100°C (J/kg.K) |
|||
0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
317/317L Screws | 193 | 8000 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 740 | 500 |
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 |
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 |
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
|
Applications | Industries |
---|---|
Chemical processing equipment | Chemical and petrochemical |
Pulp and paper machinery | Pulp and paper |
Pharmaceutical manufacturing | Pharmaceutical |
Heat exchangers | Heat exchange and HVAC |
High-temperature applications | Energy and power |
Food processing equipment | Food processing |
Oil and gas pipelines | Oil and gas |
Medical devices | Medical and healthcare |
Aircraft components | Aerospace and aviation |
Explore our comprehensive range of products, ensuring you find the perfect solution for your specific requirements.
Save money without compromising on quality, thanks to our competitive prices and cost-effective options.
Personalized assistance, prompt responses, and a commitment to meeting your needs, making your purchase process seamless.
Stainless Steel 317 contains higher carbon content compared to 317L, which makes 317L more resistant to sensitization during welding. Both alloys are corrosion-resistant, but 317L is often preferred for certain applications.
Yes, these screws are highly heat-resistant and maintain their mechanical properties at elevated temperatures, making them ideal for applications in high-temperature environments.
These screws exhibit exceptional resistance to acidic environments, including sulfuric acid and other corrosive substances, making them a popular choice in chemical processing industries.
Absolutely, these screws are biocompatible and suitable for pharmaceutical applications where corrosion resistance and hygiene are crucial.
Yes, we offer material test certificates to ensure the authenticity and quality of our Stainless Steel 317/317L Screws, giving you confidence in their performance.
These screws find applications in a wide range of industries, including chemical processing, pharmaceuticals, food processing, and aerospace, due to their corrosion resistance and strength.
Yes, GIC Fasteners offers customization options to meet your specific project needs, including variations in thread types, lengths, and head styles.
With their corrosion resistance and durability, these screws can provide a long service life, reducing the need for frequent replacements.
To request a quote or inquire further, please contact our team at sales@gicfasteners.com, and we'll assist you promptly.