Metric Stainless Steel Square Nuts Manufacturer in India

Stainless Steel Square Nuts

Square Weld Nuts
Standard Specifications of Stainless Steel Square Nuts
Grade | 18-8 Stainless Steel, 4.8, 8.8, A2, A4, A2-70; A4-70; A4-80 Square Nuts |
---|---|
Stainless Steel Square Nuts Size |
Stainless Steel Square Nuts 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 |
DIN standard | DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315 |
British standards | BS 57 |
Length | 3 mm to 200 mm |
Stainless Steel Threads: | Metric, Metric Fine, BSW, UNF, UNC, BA, BSF and BSCY (cycle) threads or as required |
Standard: |
DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards |
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 |
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, Square 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 DraSquare, 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 Square Nuts 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 |
Basic Types Of Square Weld Nuts

Metric Stainless Steel Square Nuts

Square Weld Nut

Union Square Nuts

M4 Flat Square Nuts

A2 Stainless Steel Square Nuts

Heavy Square Nut

Socket Set For Square Nuts

SS Square Nuts
Dimension of M4 flat square nuts
Nominal or Basic Major Diameter of Thread |
F |
G |
H |
||||||
---|---|---|---|---|---|---|---|---|---|
Width Across Flats |
Width Across Corners |
Length |
|||||||
Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
||
1/4 |
0.2500 |
7/16 |
0.438 |
0.425 |
0.619 |
0.554 |
7/32 |
0.235 |
0.203 |
5/16 |
0.3125 |
9/16 |
0.562 |
0.547 |
0.795 |
0.721 |
17/64 |
0.283 |
0.249 |
3/8 |
0.3750 |
5/8 |
0.625 |
0.606 |
0.884 |
0.802 |
21/64 |
0.346 |
0.310 |
7/16 |
0.4375 |
3/4 |
0.750 |
0.728 |
1.061 |
0.970 |
3/8 |
0.394 |
0.356 |
1/2 |
0.5000 |
13/16 |
0.812 |
0.788 |
1.149 |
1.052 |
7/16 |
0.458 |
0.418 |
5/8 |
0.6250 |
1″ |
1.000 |
0.969 |
1.414 |
1.300 |
35/64 |
0.569 |
0.525 |
3/4 |
0.7500 |
1-1/8 |
1.125 |
1.088 |
1.591 |
1.464 |
21/32 |
0.680 |
0.632 |
7/8 |
0.8750 |
1-5/16 |
1.312 |
1.269 |
1.856 |
1.712 |
49/64 |
0.792 |
0.740 |
1″ |
1.0000 |
1-1/2 |
1.500 |
1.450 |
2.121 |
1.961 |
7/8 |
0.903 |
0.847 |
1-1/4 |
1.2500 |
1-7/8 |
1.875 |
1.812 |
2.652 |
2.458 |
1-3/32 |
1.126 |
1.062 |
1-1/2 |
1.5000 |
2-1/4 |
2.250 |
2.175 |
3.182 |
2.956 |
1-5/16 |
1.348 |
1. |
Union Square Nuts Weight Chart
Size |
Finished Hex |
Heavy Hex |
Finished Jam |
Heavy Hex Jam |
Square |
Heavy Square |
---|---|---|---|---|---|---|
1/2″ |
3.750 |
6.540 |
2.620 |
4.000 |
5.780 |
7.870 |
5/8″ |
7.330 |
11.900 |
4.930 |
6.960 |
10.800 |
14.300 |
3/4″ |
11.900 |
19.300 |
7.700 |
11.000 |
15.400 |
23.500 |
7/8″ |
19.000 |
29.700 |
12.000 |
16.700 |
24.500 |
36.200 |
1″ |
28.300 |
42.500 |
17.600 |
23.500 |
36.300 |
51.500 |
1-1/8″ |
40.300 |
59.200 |
24.700 |
32.400 |
52.500 |
72.400 |
1-1/4″ |
54.300 |
78.600 |
36.100 |
45.800 |
70.600 |
95.500 |
1-3/8″ |
73.000 |
102.000 |
47.900 |
59.300 |
94.500 |
125.000 |
1-1/2″ |
94.300 |
131.000 |
60.900 |
74.800 |
122.000 |
161.000 |
1-5/8″ |
162.000 |
91.600 |
||||
1-3/4″ |
151.000 |
204.000 |
100.000 |
114.000 |
||
1-7/8″ |
241.000 |
134.000 |
||||
2″ |
224.000 |
299.000 |
140.000 |
165.000 |
||
2-1/4″ |
419.000 |
227.000 |
||||
2-1/2″ |
564.000 |
332.000 |
||||
2-3/4″ |
738.000 |
429.000 |
||||
3″ |
950.000 |
545.000 |
||||
3-1/4″ |
1194.000 |
651.000 |
||||
3-1/2″ |
1526.000 |
851.000 |
||||
3-3/4″ |
1812.000 |
1005.000 |
||||
4″ |
2180.000 |
1200.000 |
Application of SS Square Nuts
- Pharmaceutical Equipment
- Power Generation
- Spiral Welded tube for burner pipes and flues
- Petrochemicals
- Heat Exchangers
- SSea Water Equipment
- Aircraft Exhaust Manifolds
- Specialty Chemicals
- Off-Shore Oil Drilling Companies
- Gas Processing
- Pharmaceuticals