316 Stainless Steel Socket Head Screw Manufacturer in India

Stainless Steel Socket Head Cap Screw

Socket Button Screws
Specification Chart of Stainless Steel Socket Head Cap Screws
Grade | 18-8 Stainless Steel, 4.8, 8.8, A2, A4, A2-70; A4-70; A4-80 Socket Head Cap Screws |
---|---|
Stainless Steel Screw standard | ISO 14583 |
DIN Standard | B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985 |
UTS – Unified Thread Standard | UNC, UNF, UNEF, UNS, NPT, NPTF |
Stainless Steel counter sunk screws standard | ISO 10642 |
British standards | BS 57 |
Stainless Steel Socket Head Cap Screws Size |
Stainless Steel Socket Head Cap Screws M2, M3, (M3.5), M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M33, M36, M42, (M45), M48 to M160 and Custom Sizes
|
Length | 3 mm to 200 mm |
Stainless Steel Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
Standard: |
DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards |
Dimensions | ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded. |
Tolerance | +/-0.01mm to +/-0.05mm |
Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
Type | Pan/ Round/ Oval/ countersunk/ Truss head |
Head | Pan head, flat head, oval head, hex head, phillips head |
Finishing: | Zinc (yellow, white, blue, black), black oxide Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
Finish | Per ASTM A380/A380M |
Production process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
Surface Coating: |
All surface finishes can be supplied, including Zinc, Galvanised, Sherardized, Electroless Nickel, Dacromet, Geomet & PTFE. |
Surface treatment |
|
Top Manufacturers | SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fastener Etc. |
Stainless Steel Socket Head Cap Screws Packing: | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
Why choose us? |
|
Test Certificate: |
|
Other available material |
|
Uses & application | Railway, Wind tower, Nuclear power, Automotive industry, Construction, Electronic industry |
Dimensions Of 316 SS Socket Head Cap ScrewS

Diameter |
Screw Head |
Body Diameter (D) |
||
---|---|---|---|---|
Diam, in (A) |
Height, in (H) |
Min |
Max |
|
3/8″ |
0.563 |
0.375 |
0.3750 |
0.3690 |
7/16″ |
0.656 |
0.438 |
0.4375 |
0.4305 |
1/2″ |
0.75 |
0.5 |
0.5000 |
0.4930 |
9/16″ |
0.844 |
0.563 |
0.5625 |
0.5545 |
5/8″ |
0.938 |
0.625 |
0.6250 |
0.6170 |
3/4″ |
1.125 |
0.75 |
0.7500 |
0.7410 |
7/8″ |
1.313 |
0.875 |
0.8750 |
0.8660 |
1″ |
1.5 |
1 |
1.0000 |
0.9900 |
1-1/8″ |
1.688 |
1.125 |
1.1250 |
1.1140 |
1-1/4″ |
1.875 |
1.25 |
1.2500 |
1.2390 |
1-1/2″ |
2.25 |
1.5 |
1.5000 |
1.4880 |
1-3/4″ |
2.625 |
1.75 |
1.7500 |
1.7160 |
2″ |
3 |
2 |
2.0000 |
1.9640 |
Button-Head Socket Cap Screws Size Chart
LENGTHS |
#2 |
#3 |
#4 |
#5 |
#6 |
#8 |
#10 |
#12 |
1/4″ |
5/16″ |
3/8″ |
1/8 |
0.40 |
0.55 |
0.70 |
1.1 |
1.4 |
||||||
3/16 |
0.50 |
0.70 |
0.90 |
1.2 |
1.5 |
2.5 |
3.9 |
||||
1/4 |
0.60 |
0.80 |
1.00 |
1.4 |
1.7 |
2.8 |
4.3 |
5.6 |
8.5 |
||
5/16 |
0.60 |
0.90 |
1.20 |
1.5 |
1.9 |
3.1 |
4.6 |
6.1 |
9.1 |
16.7 |
|
3/8 |
0.70 |
0.90 |
1.30 |
1.7 |
2.1 |
3.4 |
5.0 |
6.5 |
9.8 |
17.7 |
29.2 |
7/16 |
0.80 |
1.00 |
1.50 |
1.9 |
2.2 |
3.6 |
5.4 |
6.9 |
10.4 |
18.8 |
30.7 |
1/2 |
0.80 |
1.10 |
1.60 |
2.0 |
2.4 |
3.9 |
5.8 |
7.4 |
11.1 |
19.8 |
32.2 |
9/16 |
0.90 |
1.20 |
1.70 |
2.2 |
2.6 |
4.2 |
6.2 |
7.8 |
11.7 |
20.9 |
33.6 |
5/8 |
1.00 |
1.30 |
1.80 |
2.3 |
2.8 |
4.5 |
6.6 |
8.3 |
12.4 |
21.9 |
35.1 |
3/4 |
1.10 |
1.50 |
2.10 |
2.6 |
3.2 |
5.0 |
7.3 |
9.2 |
13.6 |
24.0 |
38.0 |
7/8 |
1.30 |
1.70 |
2.30 |
3.0 |
3.5 |
5.6 |
8.1 |
10.1 |
14.9 |
26.1 |
41.0 |
1″ |
1.40 |
1.90 |
2.50 |
3.4 |
3.9 |
6.2 |
8.9 |
11.0 |
16.1 |
28.8 |
44.0 |
1-1/8″ |
1.50 |
2.00 |
2.80 |
3.8 |
4.3 |
6.7 |
9.6 |
11.9 |
17.4 |
30.2 |
47.0 |
1-1/4″ |
1.60 |
2.20 |
3.00 |
4.1 |
4.6 |
7.3 |
10.4 |
12.8 |
18.7 |
32.3 |
49.8 |
1-1/2″ |
1.80 |
2.50 |
3.50 |
4.7 |
5.3 |
8.3 |
11.9 |
14.7 |
21.2 |
36.5 |
55.8 |
1-3/4″ |
2.10 |
2.90 |
4.00 |
5.3 |
6.1 |
9.4 |
13.5 |
16.5 |
23.7 |
40.7 |
61.7 |
2″ |
2.40 |
3.30 |
4.50 |
6.0 |
6.8 |
10.6 |
15.0 |
18.3 |
26.2 |
44.8 |
67.6 |
2-1/4″ |
2.60 |
3.60 |
5.00 |
6.7 |
7.6 |
11.8 |
16.6 |
20.1 |
28.8 |
19.0 |
73.5 |
2-1/2″ |
2.80 |
3.90 |
5.50 |
7.3 |
8.3 |
12.9 |
18.1 |
22.0 |
31.3 |
53.2 |
79.5 |
2-3/4″ |
3.10 |
4.30 |
6.00 |
7.9 |
9.1 |
13.9 |
19.7 |
23.8 |
33.9 |
57.3 |
85.3 |
3″ |
3.40 |
4.70 |
6.50 |
8.6 |
9.8 |
15.0 |
21.2 |
25.6 |
36.4 |
61.5 |
91.3 |
* Weights above are approximate and are based on pan head machine screws |
Tolerance of SS Socket Cap Screws
Tolerance on Length |
Nominal Screw Size
|
Nominal Screw Length
|
|||||
Up to 1″
|
Over 1″ – 2-1/2″
|
Over 2-1/2″ – 6″
|
Over 4″ – 6″
|
||||
0 thru 3/8
|
-.03
|
-.04
|
-.06
|
-.12
|
|||
7/16 thru 3/4
|
-.03
|
-.06
|
-.08
|
-.12
|
|||
7/8 thru 1-1/2
|
-.05
|
-.10
|
-.14
|
-.20
|
Tensile Strength of 18-8 Stainless Steel Socket Head Cap Screw
Nominal Size |
Tensile Strength (lbs., min) |
Yield Strength (lbs., min) |
Body Section
|
Tightening Torque (in. – lbs.)
|
||||||||||
UNRC
|
UNRF
|
UNRC
|
UNRF
|
Single Shear Strength (lbs., min.)
|
UNRC
|
UNRF
|
||||||||
Alloy
|
Stainless
|
Alloy
|
Stainless
|
Alloy
|
Stainless
|
Alloy
|
Stainless
|
Alloy
|
Stainless
|
Alloy
|
Stainless
|
Alloy
|
Stainless
|
|
0
|
–
|
–
|
320
|
145
|
–
|
–
|
290
|
72
|
305
|
130
|
–
|
–
|
2.6 |
1.4
|
1
|
475
|
–
|
500
|
220
|
425
|
–
|
450
|
111
|
450
|
190
|
4.5
|
–
|
4.8
|
2.3
|
2
|
665
|
295
|
710
|
–
|
600
|
185
|
635
|
–
|
625
|
260
|
7.5
|
3.8
|
8.0
|
–
|
3
|
875
|
–
|
940
|
–
|
790
|
–
|
845
|
–
|
830
|
–
|
11.0
|
–
|
12.0
|
–
|
4
|
1,090
|
480
|
1,190
|
–
|
975
|
240
|
1,070
|
–
|
1,060
|
350
|
16.0
|
6.0
|
18.0
|
–
|
5
|
1,430
|
–
|
1,490
|
–
|
1,290
|
–
|
1,345
|
–
|
1,325
|
–
|
24.0
|
–
|
24.0
|
–
|
6
|
1,640
|
725
|
1,825
|
–
|
1,470
|
363
|
1,645
|
–
|
1,615
|
375
|
30.0
|
15.0
|
34.0
|
–
|
8
|
2,520
|
1,120
|
2,650
|
–
|
2,270
|
560
|
2,385
|
–
|
2,280
|
670
|
55.0
|
28.0
|
58.0
|
–
|
10
|
3,150
|
1,400
|
3,600
|
1,600
|
2,835
|
701
|
3,240
|
800
|
3,060
|
950
|
79.0
|
40.0
|
90.0
|
46.0
|
1/4
|
5,725
|
2,550
|
6,550
|
2,910
|
5,150
|
1,273
|
5,900
|
1,455
|
5,295
|
2,200
|
200.0
|
95.0
|
230.0
|
109.0
|
5/16
|
9,430
|
4,200
|
10,440
|
4,645
|
8,490
|
2,100
|
9,395
|
2,230
|
8,285
|
3,450
|
415.0
|
170.0
|
460.0
|
188.0
|
3/8
|
13,950
|
6,100
|
15,805
|
7,025
|
12,555
|
3,100
|
14,225
|
3,510
|
11,910
|
4,970
|
740.0
|
301.0
|
845.0
|
341.0
|
7/16
|
19,135
|
–
|
21,365
|
–
|
17,220
|
–
|
19,230
|
–
|
16,200
|
–
|
1,190.0
|
–
|
1,305.0
|
–
|
1/2
|
25,540
|
11,350
|
28,780
|
–
|
22,990
|
5,675
|
25,905
|
–
|
21,175
|
8,840
|
1,800.0
|
750.0
|
2,065.0
|
–
|
5/8
|
38,400
|
–
|
43,500
|
–
|
34,550
|
–
|
39,150
|
–
|
31,300
|
–
|
3,400.0
|
–
|
3,800.0
|
–
|
3/4
|
56,750
|
–
|
63,400
|
–
|
51,100
|
–
|
57,050
|
–
|
45,050
|
–
|
6,000.0
|
–
|
6,750.0
|
–
|
7/8
|
78,500
|
–
|
86,500
|
–
|
70,700
|
–
|
77,850
|
–
|
61,350
|
–
|
8,250.0
|
–
|
9,200.0
|
–
|
1
|
103,000
|
–
|
112,700
|
–
|
92,700
|
–
|
101,450
|
–
|
80,100
|
–
|
12,500.0
|
–
|
13,000.0
|
–
|
1-1/4
|
164,700
|
–
|
182,400
|
–
|
148,250
|
–
|
164,150
|
–
|
125,100
|
–
|
25,000.0
|
–
|
27,750.0
|
–
|
1-1/2
|
238,800
|
–
|
268,800
|
–
|
215,950
|
–
|
241,900
|
–
|
180,200
|
–
|
43,500.0
|
–
|
49,000.0
|
–
|