Stainless Steel Countersunk Screws Manufacturer
Specification
CHEMICAL & MECHANICAL COMPOSITION
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Supplies A Full Range Of Stainless Steel Countersunk Wood Screws, Stainless Steel Countersunk Machine Screws, Ss Countersunk Screws Manufacturer In India At Factory Price In India
Carries A Complete Line Of M4 Stainless Steel Countersunk Screws, Stainless Steel Countersunk Coach Screws, Stainless Steel Countersunk Socket Screws In Mumbai, India
Detailed Information
Prashaant Steel & Alloys is a leading producer of Stainless Steel Countersunk Screws and a high-calibre retailer. Thanks to their excellent resistivity properties, the Stainless Steel Countersunk Screws that we manufacture are extremely popular in the industry. We are considered to have the excellent quality of Stainless Steel Countersunk Screws at Prashaant Steel & Alloys, which is why we use the highest quality of the raw materials used in the production processes. The Stainless Steel Countersunk Screws provide outstanding resistance to corrosion and oxidation, which opens its doors to a wide range of applications.
Stainless Steel Countersunk Screws are mostly used with woodworks and in other soft material surfaces. The countersunk screw head is fully sunk into the material so that the material surface remains smooth without screw heads poking out. The SS Countersunk Wood Screws are used in making furniture, wooden frameworks, wooden fittings, housing, construction and other applications where the wooden materials are used for the structures.
The M4 Stainless Steel Countersunk Screws are one of the regular sizes used whereas the screws come in different metric sizes ranging up to M60 and more. There are different standards and regulations for the dimensions of the screws and custom sizes are also available. The SS Countersunk Machine Screws are machined to produce the screws. The screw threads can vary in types such as the coarse and fine thread types. The softer materials can be fitted with coarse threaded Countersunk Machine Screws and the tougher materials need fine threaded screws. The screw material is selected in a way that the surface material would not damage the screw as it is driven into the surface. There are also self tapping countersunk screws which are driven without a bolt hole they drill their own pilot holes as they are driven in. There are different sizes and grades such as the 6mm SS Countersunk Screws, carbon steel screws, duplex steel screws and alloy steel screws. Some special purpose applications need higher alloy screws where the most commonly used material grade for countersunk screws is the 316 austenitic stainless steel.
Specification Schedule of 316 Stainless Steel CSK Wood Screws
|
Stainless Steel Screw standard |
ISO 14583 |
|
Grade |
18-8 Stainless Steel, 4.8, 8.8, A2, A4, A2-70; A4-70; A4-80 Countersunk Screws |
|
Stainless Steel countersunk screws standard |
ISO 10642 |
|
British standards |
BS 57 |
|
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 ANSI – American National Standards Institute |
|
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 Countersunk Screws Size |
Stainless Steel Countersunk 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 |
|
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 |
SS CSK Head Screw 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 |
| Nominal Size | Head Width |
Flange Diameter |
Head Height |
||
|
Across Flats |
Across Corners |
||||
| Fraction | Decimal | Max | Min | Max | Max |
| 1/4 | 0.2500 | 1/4 | 9/32 | 3/8 | 17/64 |
| 5/16 | 0.3125 | 5/16 | 11/32 | 15/32 | 5/16 |
| 3/8 | 0.3750 | 3/8 | 27/64 | 9/16 | 3/8 |
| 7/16 | 0.4375 | 7/16 | 31/64 | 21/32 | 7/16 |
| 1/2 | 0.5000 | 1/2 | 9/16 | 3/4 | 1/2 |
| 9/16 | 0.5625 | 9/16 | 41/64 | 27/32 | 9/16 |
| 5/8 | 0.6250 | 5/8 | 45/64 | 15/16 | 5/8 |
| 3/4 | 0.7500 | 3/4 | 27/32 | 1 1/8 | 3/4 |
| 7/8 | 0.8750 | 7/8 | 63/64 | 1 5/16 | 7/8 |
| 1 | 1.0000 | 1 | 1 1/8 | 1 1/2 | 1 |
Application of M4 Stainless Steel Countersunk Screws
- Petrochemicals
- Heat Exchangers
- Specialty Chemicals
- Pharmaceuticals
- Gas Processing
- Aircraft Exhaust Manifolds
- Off-Shore Oil Drilling Companies
- Pharmaceutical Equipment
- Sea Water Equipment
- Power Generation
- Spiral Welded tube for burner pipes and flues
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