Stainless steel 303 Fasteners
Biggest AISI 303 Bolts manufacturer in India
Table of Content
Stainless Steel 303 Fasteners Specification

SS 303 Bolt Sizes
M2 to M24
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EN 1.4305 Screw Size
3/6″ to 2″
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UNS S30300 Nuts Size
M3 – M56 | 3/6″ to 2″
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SUS 303 Washers Size
M3 – M56 | 3/6″ to 2″
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AISI 303 Machine Screws Size
M1.6 – M12
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ISO Standard
ISO 3506-1
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Alloy 303 Screws Thread Pitch
Coarse Threads / Fine Threads
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Manufacturing Technique
Cold forging / Hot forging / CNC Machined
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Stainless Steel 303 Fasteners Finish
Passivation / Phosphating / HDG
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DIN 1.4305 machine screws Condition
Threading / Cold Drawn
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AISI 303 Studs Type
Double-End / Fully or Fine threaded / Tap-End
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Origin
Korean / Indian / Russian / European
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Type 303 Stainless Steel hex bolts Specific Heat
500 J/kg·K
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Type 303 Stainless Steel stud bolts Melting Point
1400–1450 °C
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303 Stainless Steel fasteners Length
3 mm to 200 mm
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AISI 303 hex cap screws Standards
DIN 976, 931, 7991, 933, 934, 125 / ASME B18.2.1, B18.3
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Custom Sizes
Reliable Stainless Steel 303 Fasteners Manufacturer in India in custom sizes.
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Stainless steel 303 fully threaded studs Threads
METRIC / BSF / BSW / UNF / UNC
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Certificate
- UT and PMI Test
- Raw Materials Certificate
- 100% Radiography Test
- EN 10204/3.1B
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Packaging
- Carton Box
- Blister Packs
- Wooden Pallet
- Wooden Cases
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Value Added Services
- Laser Etching
- Color Coding
- Head Painting
- Head Shank Drilling
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Alloy 303 Bolt Drive Style
- Hex
- Pan
- Round
- Oval
- Cross
- Torx
- Truss
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SS 303 hex head bolts Head Types
- Phillips Drive
- Button head
- Socket cap head
- Slotted hex washer
- Hex washer head
- Flat
- Slotted Drive
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Type 303 Stainless Steel screws Thread Class
- Class 1A (Loose fit)
- 3G
- 2G
- Class 3A (Tight fit)
- 5 ONF
- Class 2A (Medium fit)
- 4G
303 Stainless Steel bolts Manufacturing Range
| Diameter | Length | Thread Types | Coatings | Standards |
|---|---|---|---|---|
| M1.6 to M36 | 4 mm to 300 mm | Metric Coarse Metric Fine BSW BSF |
Passivation PTFE Black oxide |
DIN ISO ANSI ASME BS |
Refer SS 303 Hex Nuts price list, Trusted supplier of SUS 303 Threaded Rod in Mumbai
Stainless Steel 303 Fasteners Price list
| Product | Price in USD (10 Pcs) |
Price in Dirham (10 Pcs) |
Price in Euro (10 Pcs) |
|---|---|---|---|
| M8 x 80mm SS 303 Hex Bolt, Plain finish | US $6.80 | 24.98 AED | € 5.82 |
| M20 Heavy Hex Nuts, AISI 303, UNF Thread | US $3.96 | 14.55 AED | € 3.39 |
EN 1.4305 Fasteners contains upto 19 % Chromium, Stockist of 303 Stainless Steel Stud Bolts
SS 303 Screws Chemical composition
Carbon
0-0.10 (Max.)
Silicon
0-1.0 (Max.)
Manganese
0-2.0
Phosphorus
0-0.4
Chromium
17 to 19
Sulfur
0-0.15
Nickel
8 to 10
AISI 303 Washer Mechanical properties
Tensile Strength
500-750 MPa
Proof Stress
190 Min MPa
Hardness
230 Max HB
Elongation
35 % Min
| Grade | Euronorm | BS | UNS | En |
|---|---|---|---|---|
| 303 | 1.4305 | 303S31 | S30300 | 58M |
Type 303 Stainless Steel Washer can withstand temperature upto 760°C
303 SS Threaded Rod Physical properties
| Density | Melting Point | Modulus of Elasticity | Electrical Resistivity | Thermal Conductivity |
|---|---|---|---|---|
| 8.03 kg/m3 | 1455°C | 193 GPa | 0.72 x 10-6 Ω.m | 16.3 W/m.K |
Check Weight chart and Dimensions of 303 SS Stud Bolts and Machine Screws
Dimensions of EN 1.4305 Fasteners
| Bolt Size | Bolt Dia. [in] | Loose Fit [in] | Close Fit [in] | Normal Fit [in] |
|---|---|---|---|---|
| #0 | 0.06 | 0.094 | 0.067 | 0.076 |
| #2 | 0.086 | 0.116 | 0.094 | 0.102 |
| #4 | 0.112 | 0.144 | 0.12 | 0.128 |
| #5 | 0.125 | 0.172 | 0.141 | 0.156 |
| #6 | 0.138 | 0.185 | 0.154 | 0.17 |
| #8 | 0.164 | 0.213 | 0.18 | 0.196 |
| #10 | 0.19 | 0.238 | 0.206 | 0.221 |
| 1/4" | 0.25 | 0.297 | 0.266 | 0.281 |
| 5/16" | 0.3125 | 0.359 | 0.328 | 0.344 |
| 3/8" | 0.375 | 0.422 | 0.391 | 0.406 |
| 7/16" | 0.4375 | 0.484 | 0.453 | 0.469 |
| 1/2" | 0.5 | 0.609 | 0.531 | 0.562 |
| 5/8" | 0.625 | 0.734 | 0.656 | 0.688 |
| 3/4" | 0.75 | 0.906 | 0.781 | 0.812 |
| 7/8" | 0.875 | 1.031 | 0.906 | 0.938 |
| 1" | 1 | 1.156 | 1.031 | 1.094 |
| 1-1/8" | 1.125 | 1.312 | 1.156 | 1.219 |
| 1-1/4" | 1.25 | 1.438 | 1.281 | 1.344 |
| 1-3/8" | 1.375 | 1.609 | 1.438 | 1.5 |
| 1-1/2" | 1.5 | 1.734 | 1.562 | 1.625 |
UNS S30300 Stud Bolts Size Chart
| Nominal Pipe Size, NPS | Diameter of Bolts, in. | Length of Bolts, L | ||
|---|---|---|---|---|
| Stud Bolts | Machine Bolts | |||
| Ring Joint | 2mm Raised Face | 2mm Raised Face | ||
| 24 | 1 1/4 | 185 | 170 | 150 |
| 20 | 1 1/8 | 170 | 160 | 140 |
| 18 | 1 1/8 | 160 | 145 | 125 |
| 16 | 1 | 145 | 135 | 115 |
| 14 | 1 | 145 | 135 | 115 |
| 12 | 7/8 | 135 | 120 | 100 |
| 10 | 7/8 | 125 | 115 | 100 |
| 8 | 3/4 | 120 | 110 | 90 |
| 6 | 3/4 | 115 | 100 | 85 |
| 5 | 3/4 | 110 | 95 | 85 |
| 4 | 5/8 | 100 | 90 | 75 |
| 3 1/2 | 5/8 | 100 | 90 | 75 |
| 3 | 5/8 | 100 | 90 | 75 |
| 2 1/2 | 5/8 | 100 | 90 | 75 |
| 2 | 5/8 | 95 | 85 | 70 |
| 1 1/2 | 1/2 | 85 | 70 | 65 |
| 1 1/4 | 1/2 | 85 | 70 | 55 |
| 1 | 1/2 | 75 | 65 | 55 |
| 3/4 | 1/2 | - | 65 | 50 |
| 1/2 | 1/2 | - | 55 | 50 |
Application of AISI 303 Heavy Hex Bolts
Types of Stainless Steel 303 Bolts
303 Stainless Steel heavy hex bolt
Type 303 Stainless Steel hex bolts
SS 303 bolts
EN 1.4305 anchor bolts
303 SS eye bolts
Stainless steel 303 square bolts
Types of Stainless Steel 303 Nuts
UNS S30300 flange lock nut
DIN 1.4305 square nut
SUS 303 heavy hex nuts
AISI 303 hex nuts
303 Stainless Steel nuts
Type 303 Stainless Steel lock nut
Types of Stainless Steel 303 Screws
SS 303 screw
EN 1.4305 self drilling screws
303 SS socket head cap screw
Stainless steel 303 wood screws
UNS S30300 self tapping screws
DIN 1.4305 machine screws
SUS 303 socket cap screws
AISI 303 hex cap screws
Types of Stainless Steel 303 Washers
EN 1.4305 flat washer
SS 303 plain washer
303 SS washer
AISI 303 countersunk washer
Types of Stainless Steel 303 Studs
303 Stainless Steel threaded stud
Type 303 Stainless Steel double end stud bolts
SUS 303 studs
DIN 1.4305 fully threaded studs
UNS S30300 stud bolt
Stainless steel 303 threaded rod
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