วัสดุ: | สแตนเลสสตีล |
---|---|
พิมพ์: | หัวโกนกลม |
Groove: | Phillips |
การเชื่อมต่อ: | สลักทั่วไป |
สไตล์หัว: | กลม |
มาตรฐาน: | DIN, GB, ANSI, BSW, มาตรฐาน JIS, GOST |
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Union Stainless Steel Flat Head Machine Screw |
Name |
Flat Head Machine Screw |
Material |
Stainless Steel |
Size |
M2~M8 or non-standard as request&design |
Length |
3MM~60MM or non-standard as request&design |
Surface Treatment |
Electrical Zinc Coating. Ruspert, Dacroment,etc,Customized |
Quality |
Sample Testing Or Third-party Inspection |
Origin |
Made in China |
Lead Time |
Based on quantity |
Stainless Steel Chemical Composition | |||||||||
Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni | Cr | Mo | Other |
201 | 0.15 | 1.00 | 5.5-7.5 | 0.060 | 0.03 | 3.5-5.5 | 16-18 | N≤0.25 | |
304 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.0-10.0 | 18-20 | ||
304L | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 8.0-12.0 | 18-20 | ||
321 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.0-13.0 | 17-19 | Ti≤5*C% | |
316 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | |
316L | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | |
309S | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 12.0-15.0 | 22-24 | ||
410 | 0.15 | 1.00 | 0.03 | - | 11.5-13.5 | ||||
420 | 0.26-0.4 | 1.00 | 0.03 | - | 12-14 | ||||
430 | 0.12 | 0.75 | 1.00 | 0.040 | 0.03 | - | 16-18 |
Main Fastener Coating | |||
Types | Application | Spray Test Hours | Characteristics |
Zinc, Electroplated | All Metal | 96Hours | Lower cost and bright surface |
Hot Dip Galvanized | All Metal | 96Hours | Low corrosion rate and resists mechanical damage. |
Electro Nickel | All Metal | 200Hours | Flexibility in plating volume and thickness |
Mechanical Plating | Steel | 1000Hours | Smooth finish with high anti-corrosion grade |
Black Oxide | All Metal | 3-5Hours | Cheap |
Dacrotized | Steel | 1000Hours | Pollution-free ceramic coating |
Passivation | Stainless Steel | / | Dissolved iron contaminants |
Wax | Stainless Steel & Plated Fasteners | Fair, used as a lubricate | Used for ease of assembly |
Stainless steel screws provide unmatched benefits over standard steel screws thanks to their superior durability, high strength, and excellent corrosion resistance. This makes stainless steel an ideal screw material for applications demanding weather and rust resistance as well as longevity under stress.
Stainless steel screws come in a wide selection of head styles and drive types to accommodate various assembly and fastening needs.
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