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Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Specifications
Brand Name :
YingYan
Certification :
ISO9000
Place of Origin :
JIANG SU PROVINCE CHINA
MOQ :
1000pieces
Price :
Negotiable
Model Number :
M3-M16
Packaging Details :
Small Boxes, Plastic Bags, Bulk in Cartons,
Name :
Hex Socket Countersunk Flat Head Screws
Standard :
GB/DIN/ASME/EN/ISO&etc.
Head Type :
Hex head, flange head , flat head ,CSK Head
Surface treatment :
Plain, black, zinc plated，Dacromet/according to your requirement
Grade :
8.8,10.9，etc.
Color :
Black,Blue,Plain,yellow
Materials :
Stainless steel/carbon steel/Alloy steel
Size :
accroding your requirements
Length :
accroding your requirements
Description

DIN7991 ISO10642 M3-M16 Hex Socket Countersunk Flat Head Screws SUS304 Carbon Steel 10B21/10B28/35K Aolly Steel SCM435

Characteristics:

  1. Head Design: These screws feature a hex socket countersunk head, allowing installation and removal using a hex key, providing easier maneuverability.
  2. Material and Hardness: They are often made of high-strength materials like alloy steel, ensuring excellent mechanical properties and durability. Their high hardness rating allows them to withstand significant loads.
  3. Surface Treatment: The screw surfaces usually undergo special treatments, such as blackening, to enhance corrosion resistance and aesthetics.
  4. Standardized Production: These screws typically follow international standards (e.g., DIN, JIS), ensuring quality consistency and interchangeability.
  5. Variety of Sizes: Available in a range of sizes and specifications to suit different applications.

Advantages:

  1. Ease of Operation: The hex socket countersunk head design facilitates easy installation and removal, improving work efficiency.
  2. High Strength: Thanks to high-strength materials and specific heat treatment processes, these screws can withstand considerable tensile and shear forces.
  3. Good Corrosion Resistance: The specially treated surface offers excellent resistance to corrosion, extending the screws' lifespan.
  4. Wide Applicability: Standardized production and a variety of sizes make these screws suitable for various machinery and product structures.

Applications:

  1. Mechanical Engineering: Widely used in machinery to connect and secure various components, ensuring stability and reliability.
  2. Automobile Manufacturing: In the automotive industry, these screws are employed to connect critical parts like the car body and engine.
  3. Electronic Equipment: Used to fasten circuit boards, heatsinks, and other essential components in electronic devices.
  4. Construction Industry: Applied in connecting steel structures, fixing equipment, and other architectural elements.
  5. Aerospace: Due to their high strength and reliability, these screws are extensively used in aerospace, securing crucial parts of aircraft and spacecraft.

Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16

Screw Thread
d		 M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24
P Pitch 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
α tol.(+2) 90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 60° 60°
b L≤125 12 14 16 18 22 26 30 34 38 42 46 50 54
125＜L ≤ 200 / / / 24 28 32 36 40 44 48 52 56 60
L＞200 / / / / / 45 49 53 57 61 65 69 73
dk max=nominal size 6 8 10 12 16 20 24 27 30 33 36 36 39
min 5.7 7.64 9.64 11.57 15.57 19.48 23.48 26.48 29.48 32.38 35.38 35.38 38.38
ds max=nominal size 3 4 5 6 8 10 12 14 16 18 20 22 24
min 2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67
e min 2.3 2.87 3.44 4.58 5.72 6.86 9.15 11.43 11.43 13.72 13.72 16 16
k max 1.7 2.3 2.8 3.3 4.4 5.5 6.5 7 7.5 8 8.5 13.1 14
s Nominal Size 2 2.5 3 4 5 6 8 10 10 12 12 14 14
min 2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025 10.025 12.032 12.032 14.032 14.032
max 2.1 2.6 3.1 4.12 5.14 6.14 8.175 10.175 10.175 12.212 12.212 14.212 14.212
t max=nominal size 1.2 1.8 2.3 2.5 3.5 4.4 4.6 4.8 5.3 5.5 5.9 8.8 10.3
min 0.95 1.55 2.05 2.25 3.2 4.1 4.3 4.5 5 5.2 5.6 8.44 9.87

Product tags

hex screws din931

,

din931 hex head bolts

,

din912 hexagon socket cap screw
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Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16

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Product Detail
Brand Name :
YingYan
Certification :
ISO9000
Place of Origin :
JIANG SU PROVINCE CHINA
MOQ :
1000pieces
Price :
Negotiable
Model Number :
M3-M16
Contact Supplier
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16
Hex Socket Countersunk Flat Head Screws DIN7991 ISO10642 M3 - M16

Jiangsu Ying Yan Fastening System Technology Co.Ltd

Verified Supplier
2 Years
suzhou
Since 2002
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
Industrial Bolt, Screw Fasteners, Expansion Anchor Bolt
Total Annual :
6000000-8000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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