304 Stainless Steel Screws SUPPLIER, STOCKISTS

The austenitic class of Stainless Steels Includes Screws made of 304 grade stainless steel. These fasteners' main alloyants are 8% nickel and 8% chromium. The 304 Stainless Steel Wood Screws also contain a maximum of 0.08% carbon in addition to these alloying components. The SS 304 Csk Screw is not only one of the most popular fasteners, but it is also incredibly adaptable. Since 304 grade stainless steel is easily formed and welded, a wide variety of fasteners can be produced using it.

304 Stainless Steel Self Tapping Screws, Supplies a full range of 304 Stainless Steel Self-Drilling Screws, 304 Stainless Steel Deck Screws at Factory price in India

Although Grade 304 Stainless Steel Sheet Metal Screws are thought to be marine grade and can be used in marine or sea water applications (especially in environments that contain chlorine), they are thought to be less desirable than stainless steel grade 316 because they contain less molybdenum.

The issue of galling is one of the main issues with threaded fasteners. In general, the 304 stainless steel socket head cap screws' chromium content promotes the development of a passivated oxide layer. Corrosion is prevented on the 304 Stainless Steel Tek Screws by this passivated oxide coating. But with time, the 304 Stainless Steel Self Tapping Screws' passivated layer wears away, allowing the metal threads to come into touch with one another and produce friction, which in turn leads to galling. When one threaded fastener is tightened and loosened against another, galling happens to stainless steel fasteners.

Stainless Steel 304 Gr Screws, carries a complete line of 304 Stainless Steel Tek Screws, 304 Stainless Steel Socket Head Cap Screws, 304 Stainless Steel Sheet Metal Screws in mumbai, India

SS 304 Deck Screws
SS 304 Deck Screws
Stainless Steel 304 Tek Screws
Stainless Steel 304 Tek Screws
304 SS Screws
304 SS Screws
304 Stainless Steel Socket Head Cap Screws
304 Stainless Steel Socket Head Cap Screws
304 Stainless Steel Machine Screws
304 Stainless Steel Machine Screws
304 Stainless Steel Concrete Screws
304 Stainless Steel Concrete Screws

These 304 Series Ultra Coated Stainless Steel Screws have a thin zinc film coating to prevent galling. When the zinc coating on the stainless steel self-drilling screw is applied, it creates a barrier that prevents corrosion and galling while also giving the screws good toughness.

Using anti-seize lubricants on Type 304 Stainless Steel Screws is another way to stop galling. Anti-seize not only facilitates the installation of SS 304 Grade Screws but also improves corrosion resistance, extending the useful life of the SS 304 Self Tapping Screw.

 

304 Stainless Steel Screws Specifications

Specifications of 304 Stainless Steel Screws
ASME SA 193, ASTM A 193
Standard of 304 Stainless Steel Screws
ASTM, DIN, BS and all International Standards
Length of 304 Stainless Steel Screws
3 mm to 254 mm
Size of 304 Stainless Steel Screws
M3 – M56 | 3/6″ to 2″ | Custom Sizes
Type of 304 Stainless Steel Screws
Lag Screws, Square Screws, Hex Head Screws,Counter Sunk Screws, Hex Screw,

 

India’s Largest SS 304 Screw Manufacturers, produce 304 Stainless Steel Concrete Screws, 304 Stainless Steel Machine Screws, Ss 304 Csk Screw, SS 304 Self Drilling Screw in mumbai, India

Dimensions of 304 Stainless Steel Wood Screw

Dimensions of 304 Stainless Steel Wood Screw

 

Wood Screws: Slotted & Phillips Flat Head Dimensions (ASME B18.6.1)

Nominal Size*

Phillips Driver Size

Head Diameter (A)
Head Height (H)

Width of Slot (J)
Depth of Slot (T)
Dimension of Recess
Max
Min
Ref
Max
Min
Max
Min
Dia. Max (M)
Dia. Min (M)
Depth Max (G)
Depth Min (G)
Width Min (N)
2
1
.172
.147
.051
.031
.023
.023
.015
.102
.089
.063
.047
.017
3
1
.199
.141
.059
.035
.027
.027
.017
.107
.094
.068
.052
.018
4
1
.225
.195
.067
.039
.031
.030
.020
.128
.115
.089
.073
.018
5
2
.252
.220
.075
.043
.035
.034
.022
.154
.141
.086
.063
.027
6
2
.279
.244
.083
.048
.039
.038
.024
.174
.161
.106
.083
.029
7
2
.305
.268
.091
.048
.039
.041
.027
.189
.176
.121
.098
.030
8
2
.332
.292
.100
.054
.045
.045
.029
.204
.191
.136
.113
.032
9
2
.358
.316
.108
.054
.045
.049
.032
.214
.201
.146
.123
.033
10
3
.385
.340
.116
.060
.050
.053
.034
.258
.245
.146
.123
.034
12
3
.438
.389
.132
.067
.056
.060
.039
.283
.270
.171
.148
.036
14
3
.507
.452
.153
.075
.064
.070
.046
.283
.270
.171
.148
.036
16
3
.544
.485
.164
.075
.064
.075
.049
.303
.290
.191
.168
.039

* Click on the nominal size to find products.

Round Head Wood Screws Dimensions

 

Wood Screws: Round Head Dimensions (ASME B18.6.1)

Nominal Size*

Phillips Driver Size

Head Diameter (A)
Head Height (H)

Width of Slot (J)
Depth of Slot (T)
Dimension of Recess
Max
Min
Max
Min
Max
Min
Max
Min
Dia. Max (M)
Dia. Min (M)
Depth Max (G)
Depth Min (G)
Width Min (N)
2
1
.162
.146
.069
.059
.031
.023
.048
.037
.114
.101
.064
.042
.018
4
2
.211
.193
.086
.075
.039
.031
.058
.044
.130
.117
.083
.063
.019
5
2
.236
.217
.095
.083
.043
.035
.063
.047
.154
.141
.074
.046
.027
6
2
.260
.240
.103
.091
.048
.039
.068
.051
.162
.149
.084
.056
.027
7
2
.285
.264
.111
.099
.048
.039
.072
.055
.170
.157
.092
.066
.028
8
2
.309
.287
.120
.107
.054
.045
.077
.058
.178
.165
.101
.075
.030
9
2
.334
.311
.128
.115
.054
.045
.082
.062
.186
.173
.110
.084
.030
10
2
.359
.334
.137
.123
.060
.050
.087
.065
.195
.182
.119
.093
.031
12
3
.408
.382
.153
.139
.067
.056
.096
.073
.249
.236
.125
.099
.032
14
3
.457
.429
.170
.155
.075
.064
.106
.080
.265
.252
.142
.116
.034

* Click on the nominal size to find products.

 

Oval Head Wood Screws Dimensions
Wood Screws: Oval Head Dimensions (ASME B18.6.1)

Nominal Size*

Phillips Driver Size

Head Diameter (A)
Head Height (H)

Width of Slot (J)
Depth of Slot (T)
Dimension of Recess
Max
Min
Side Height (Ref.)
Total Height Max
Total Height Min
Max
Min
Max
Min
Dia. Max (M)
Dia. Min (M)
Depth Max (G)
Depth Min (G)
Width Min (N)
4
1
.225
.195
.067
.104
.084
.039
.031
.059
.049
.136
.123
.094
.077
.019
5
2
.252
.220
.075
.116
.095
.043
.035
.067
.055
.158
.145
.085
.061
.028
6
2
.279
.244
.083
.128
.105
.048
.039
.074
.060
.178
.165
.105
.080
.030
8
2
.332
.292
.100
.152
.126
.054
.045
.088
.072
.205
.192
.131
.106
.033
9
2
.358
.316
.108
.164
.137
.054
.045
.095
.078
.216
.203
.144
.119
.034
10
3
.385
.340
.116
.176
.148
.060
.050
.103
.084
.261
.248
.142
.118
.037
12
3
.438
.389
.132
.200
.169
.067
.056
.117
.096
.283
.270
.165
.140
.040

*Click on the nominal size to find products.

Wood Screws Thread & Body Diameter
Wood Screws: Thread & Body Diameter - Cut & Rolled Thread Types

Nominal Size* or Basic Screw Diameter

Threads Per Inch
Major Thread Diameter (D)

Body Diameter - (E) Cut Thread
Body Diameter - (E) Rolled Thread
Thread Depth (F)
Max
Min
Max
Min
Max
Min
Min
2
.086
26
.090
.079
.090
.079
.075
.064
.010
3
.099
24
.103
.092
.103
.092
.086
.075
.014
4
.112
22
.116
.105
.116
.105
.095
.084
.016
5
.125
20
.129
.118
.129
.118
.107
.096
.018
6
.138
18
.142
.131
.142
.131
.118
.107
.020
7
.151
16
.155
.144
.155
.144
.127
.116
.022
8
.164
15
.168
.157
.168
.157
.136
.125
.023
9
.177
14
.181
.170
.181
.170
.147
.136
.026
10
.190
13
.194
.183
.194
.183
.157
.146
.030
12
.216
11
.220
.209
.220
.209
.176
.165
.031
14
.242
10
.246
.235
.246
.235
.201
.190
.035
16
.268
9
.272
.261
.272
.261
.214
.203
.038

* Click on the nominal size to find products.


304L Stainless Steel Screw Torque Chart

Torque Specifications
Screw Size
Inches or #
Threads
Per Inch
Standard Dry Torque in Inch-Pounds
304
Stainless Steel
316
Stainless Steel
#2
56
2.5
2.6
64
3.0
3.2
#3
48
3.9
4.0
56
4.4
4.6
#4
40
5.2
5.5
48
6.6
6.9
#5
40
7.7
8.1
44
9.4
9.8
#6
32
9.6
10.1
40
12.1
12.7
#8
32
19.8
20.7
36
22.0
23.0
#10
24
22.8
23.8
32
31.7
33.1
Screw Size
Inches or #
Threads
Per Inch
Standard Dry Torque in Inch-Pounds
304
Stainless Steel
316
Stainless Steel
1/4
20
75.2
78.8
28
94.0
99.0
5/16
18
132
138
24
142
147
3/8
16
236
247
24
259
271
7/16
14
376
393
20
400
418
1/2
13
517
542
20
541
565
Screw Size
Inches or #
Threads
Per Inch
Standard Dry Torque in Inch-Pounds
304
Stainless Steel
316
Stainless Steel
9/16
12
682
713
18
752
787
5/8
11
1110
1160
18
1244
1301
3/4
10
1530
1582
16
1490
1558
7/8
9
2328
2430
14
2318
2420
1
8
3440
3595
14
3110
3250
Screw Size
Inches or #
Threads
Per Inch
Standard Dry Torque in Foot-Pounds
304
Stainless Steel
316
Stainless Steel
1 1/8
7
413
432
12
390
408
1 1/4
7
523
546
12
480
504
1 1/2
6
888
930
12
703
732

 

SS UNS S30403 Socket Head Cap Screw Dimensions

SS UNS S30403 Socket Head Cap Screw Dimensions

 

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

 

Type of 304L Stainless Steel Screws

SS UNS S30403 Concrete Screw
SS UNS S30403 Concrete Screw
A193 304 Stainless Steel Eye Screw
A193 304 Stainless Steel Eye Screw
304L SS Deck Screw
304L SS Deck Screw
AA2 Thumb Screw
A2 Thumb Screw
AISI 304L Stainless Steel Coach Screw
AISI 304L Stainless Steel Coach Screw
304 SS Wood Screw
304 SS Wood Screw
DIN 1.4301 Stainelss Steel Lag Screw
DIN 1.4301 Stainelss Steel Lag Screw
UNS S30409 SS Countersuck Screw
UNS S30409 SS Countersuck Screw
Gr 304 SS Wing Screw
Gr 304 SS Wing Screw
304H Stainless Steel Socket Head Cap Screw
304H Stainless Steel Socket Head Cap Screw
Gr 304L Self Tapping Screw
Gr 304L Self Tapping Screw
DIN 1.4307 SS Roofing Screw
DIN 1.4307 SS Roofing Screw
AISI 304 SS Set Screw
AISI 304 SS Set Screw
Type 304L Stainless Steel Self Drilling Screw
Type 304L Stainless Steel Self Drilling Screw

 

SS 304H Countersunk Screw Dimensions

SS 304H Countersunk Screw Dimensions
Nominal size
Body Dia
Thread Pitch
Hex Socket Size
Max Cone Dia
Head Dia
Head Height
Soc. length
D(max)
D(min)
J
A1
A_max
A_Min
H
K
M3
3.00
2.86
0.5
2,0
6,72
6,00
5,82
1,86
1,05
M4
4.00
3.82
0.70
2,5
8,96
8,00
7,78
2,48
1,49
M5
5.00
4.82
0.8
3,0
11,2
10,00
9,78
3,1
1,86
M6
6.00
5.82
1.0
4,0
13,44
12,00
11,75
3,72
2,16
M8
8.00
7.78
1.25
5,0
17,92
16,00
15,73
4,96
2,85
M10
10.00
9.78
1.5
6,0
22,4
20,00
19,67
6,2
3,60
M12
12.00
11.73
1.75
8,0
26,88
24,00
23,67
7,44
4,35
M16
16.00
15.73
2.0
10,0
33,6
32,00
29,67
8,8
4,89
M20
20.00
19.67
2.5
10,0
40,32
40,00
35,61
10,16
5,49

 

304 Stainless Steel Screws Application

  •  304 Stainless Steel Screws uses in Aircraft Exhaust fastenersonline
  •  AISI 304 Set Screws uses in Off-Shore Oil Drilling Companies
  •  304 Series Ultra Coated Stainless Steel Screws uses in Gas Processing
  •  SS 304L Self Tapping Screws uses in Heat Exchangers
  •  304 Grade Stainless Steel Screws uses in Sea Water Equipment
  •  ASTM A193 304H SS Set Screws uses in Power Generation
  •  EN 1.4301 SS Eye Screws uses in Specialty Chemicals
  •  ASME SA193 SUS304L Machine Screws uses in Petrochemicals
  •  DIN 1.4307 SS Coach Screws uses in Pharmaceutical Equipment
  •  UNS S30400 SS Socket Head Cap Screws uses in Pipes and Flues
  •  Stainless Steel 304L Deck Screws uses in Pharmaceuticals
View Type 304 Stainless Steel Screws Dimensions & weight, 304 SS Screws specifications.
Buy 304 Grade Stainless Steel Screws, 304 Stainless Screws, 304 Stainless Steel Wood Screws, 304 SS Hex Head Cap Screw, SS 304 Self Tapping Screw at factory price in India

 

304 Stainless Steel Screws Chemical Composition

Grade
C
Mn
Si
P
S
Cr
Mo
Ni
N
304
min.
max.
-
0.08
-
2.0
-
0.75
-
0.045
-
0.030
18.0
20.0
-
8.0
10.5
-
0.10
304L
min.
max.
-
0.030
-
2.0
-
0.75
-
0.045
-
0.030
18.0
20.0
-
8.0
12.0
-
0.10
304H
min.
max.
0.04
0.10
-
2.0
-
0.75
-
0.045
-
0.030
18.0
20.0
-
8.0
10.5
-

 

Equivalent Grade of 304 Stainless Steel Screws

AISI Grade Equivalent
JIS Equivalent
Stainless Steel Notation
EN/DIN Numerical Equivalent
UNS
designation
EN/DIN Symbolical Equivalent
AISI 304
SUS304
SS 304
EN 1.4301
UNS S30400
X4CrNi18-10
AISI 304L
SUS304L
SS 304L
EN 1.4307
UNS S30403
X2CrNi18-9
AISI 304H
SUS304H
SS 304H
EN 1.4948
UNS S30409
X2CrNiN18-10

 

304 Stainless Steel Screws Mechanical Properties

Grade
Tensile Strength (MPa) min
Yield Strength 0.2% Proof (MPa) min
Elongation (% in 50mm) min
Hardness
Rockwell B (HR B) max
Brine-ll (HB) max
304
515
205
40
92
201
304L
485
170
40
92
201
304H
515
205
40
92
201

 

Physical Properties of AISI 304 Stainless Steel Screws

Grade
Density (kg/m3)
Elastic Modulus (GPa)
Mean Coefficient of Thermal Expansion (m/m/°C)
Thermal Conductivity (W/m.K)
Specific Heat 0-100°C (J/kg.K)
Electrical Resistivity(n.m)
0-100°C
0-315°C
0-538°C
at 100°C
at 500°C
304/L/H
8000
193
17.2
17.8
18.4
16.2
21.5
500
720

 

Screw