Screw Fasteners

DIN7500 DIN7500-EE Carbon Steel And Stainless Steel Taptite Screws Hexagon Cheese Head Thread Rolling Screws Thread Size d M2 M2.5 M3 M4 M5 M6 M8 M10 M12 P Pitch b Ref. dk Max. Plain Head Knurled Heads min k max min s max min t min 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75 16 17 18 20 22 24 28 32 36 3.8 4.5 5.5 7 8.5 10 13 16 18 3.98 4.68 5.68 7.22 8.72 10.22 13.27 16.27 18.27 3.62 4.32 5.32 6.78 8.28 9.78 12.73 15.73 17.73 2 2.5 3 4 5 6 8 10 12 1.86 2.36 2.86 3.82 4.82 5.7 7.64 9

DIN912 ISO4762 ANSI/ASME B 18.3.1M Hexagon Socket Head Cap Screws Half-Thread Class4.8 8.8 10.9 12.9 Thread Size M1.4 M1.6 M2 M2.5 M3 M4 M5 M6 d P Pitch Coarse thread 0.3 0.35 0.4 0.45 0.5 0.7 0.8 1 Fine thread pitch-1 - - - - - - - - Fine thread pitch-2 - - - - - - - - dk plain head max 2.6 3 3.8 4.5 5.5 7 8.5 10 knurled heads max 2.74 3.14 3.98 4.68 5.68 7.22 8.72 10.22 min 2.46 2.86 3.62 4.32 5.32 6.78 8.28 9.78 da max 1.8 2 2.6 3.1 3.6 4.7 5.7 6.8 ds max 1.4 1.6 2 2.5 3 4

JIS B 1122(AAT4) Cross Recessed Truss Head Tapping Screws Nickel Plating/Galvanization Grade 4 Thread Size d 2 2.5 3 3.5 4 4.5 5 6 dk max=nominal size min k Nominal Size max min R ≈ r max Socket No. m Ref. Penetration depth max min 4.5 5.7 6.9 8.1 9.4 10.6 11.8 14 4.1 5.3 6.4 7.6 8.9 10 11.2 13.3 1.2 1.5 1.9 2.2 2.5 2.8 3.1 3.7 1.3 1.6 2.05 2.35 2.65 2.95 3.25 3.9 1.1 1.4 1.75 2.05 2.35 2.65 2.95 3.5 3 3.7 4.6 5.4 6.1 6.9 7.7 9.1 0.3 0.3 0.4 0.4 0.5 0.5 0.6 0.7 1 1 1 2 2 2 2

ISO 10509 Cross Groove Hexagon Head Tapping Screws With Flange Galvanize Class 4.8 Carbon Steel Thread Size d ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5 P Pitch a max dc max min c min s max=nominal size min e min k max k1 min r1 min r2 max y Ref. Type C Type F 0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1 0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1 4.5 6.4 7.5 8.5 10.0 11.2 12.8 16.8 21.0 4.1 5.9 6.9 7.8 9.3 10.3 11.8 15.5 19.3 0.3 0.4 0.5 0.6 0.6 0.8 1 1.2 1.4 3.00 4.00 5.00 5.50 7

DIN 7981 Cross Recessed Pan Head Self Tapping Screws Stainless SteelSUS304/Carbon Steel Plain/Dacromet/Galvanization DIN7981 Screw Thread ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5 d P Pitch 0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1 a max 0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1 dk max 4 5.6 7 8 9.5 11 12 16 20 min 3.7 5.3 6.64 7.64 9.14 10.57 11.57 15.57 19.48 k max 1.6 2.4 2.6 3.1 3.7 4 4.6 6 7.5 min 1.4 2.15 2.35 2.8 3.4 3.7 4.3 5.6 7.1 Socket No. 0 1 2 2 2 3 3 4 4 M1 Type H

DIN7500 Carbon Steel And Stainless Steel Taptite Screws Cross Recessed Pan Head Thread Rolling Screws DIN7500 CE Thread Size d M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10 P Pitch b min dk max=nominal size min k max=nominal size min Socket No. m Form H Form Z 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5 25 25 25 38 38 38 38 38 38 4.0 5.0 5.6 7.00 8.00 9.50 12.00 16.00 20.00 3.7 4.7 5.3 6.64 7.64 9.14 11.57 15.57 19.48 1.60 2.10 2.40 2.60 3.10 3.70 4.6 6.0 7.50 1.46 1.96 2.26 2.46 2.92 3.52 4.3 5.7

UNI 5931 NF E 25-125 AS 1420 Class8.8 10.9 12.9 Hexagon Socket Head Cap Screws Full Thread Knurl Screws Thread Size d M1.4 M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 P Pitch Coarse thread 0.3 0.35 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 Fine thread pitch-1 - - - - - - - - 1 1.25 1.25 1.5 1.5 1.5 1.5 Fine thread pitch-2 - - - - - - - - - 1 1.5 - - 2 2 dk plain head max 2.6 3 3.8 4.5 5.5 7 8.5 10 13 16 18 21 24 27 30 knurled heads max 2.74 3.14 3.98 4.68 5

DIN7991 ISO10642 M3-M16 Hex Socket Countersunk Flat Head Screws SUS304 Carbon Steel 10B21/10B28/35K Aolly Steel SCM435 Characteristics: Head Design: These screws feature a hex socket countersunk head, allowing installation and removal using a hex key, providing easier maneuverability. 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

316 Stainless Steel Hex Flange Head Cut Bottom Anchor Bolt Concrete Cement Cut Bottom Self Tapping Bolt Name & application Hexagonal flange self-tapping anchor bolt, also known as cement self-tapping screw. It is generally used for the pavement anchorage of the brick wall and cement mixture in the balcony installation and fixing or the municipal engineering isolation fence;The difference from ordinary products is general demand is basically more carbon steel heat treatment,

ISO DIN EN 7380 A2 A4 SS304 SS316 Stainless Steel Round Head Pan Head Button Socket Cap Head Machine Screw Characteristics Unique Button Head Design: Hexagon Socket Button Head Screws feature a low-profile cylindrical head with a hexagon socket, allowing for installation and removal using a hex key or Allen wrench. Aesthetic Appearance: The smooth head design ensures a clean and visually appealing overall look. High Strength: These screws are typically made from high-strength

DIN 7984 Hexagon Socket Head Cap Screws With Low Head Full/Half Threaded Carbon Steel 10B21 Grade8.8 10.9 Name and purpose: Cylindrical head hex head screws referred to as hex head screws, commonly known as cup head screws, it and hex head bolts are the most common head type in the fastener industry. By the way, why is it officially called a screw and not a bolt? The simple explanation is that the bolt generally needs to be used with the nut, and the screw generally does not

High Strength Fastener DIN914 DIN913 Steel Hex Socket Cone Point Set Screw Grub Screw Features: Hexagon socket set screws, also known as Allen screws or hex keys, are characterized by their hexagonal socket heads. This design allows for precise tightening and loosening using a hex key or Allen wrench. The screws typically have a smooth shank without threads, making them ideal for applications where a tight fit is needed without generating thread stress. Advantages: Precision

DIN 7982 2.5mm Diameter Countersunk Phillips/Cross Recessed Drive Self-tapping Screws Standardization and Quality Assurance: DIN7982 is a German industrial standard. Choosing screws that meet this standard means selecting products that have undergone strict quality control and standardization. This helps ensure the quality and performance of the screws, thereby enhancing the reliability and safety of the overall product. Convenient Installation Method: The cross-recessed

ISO7050 UNI6955 2.5mm Diameter Cross Recessed Countersunk Head Tapping Screws Carbon Steel Standardization and Quality Assurance: DIN7982 is a German industrial standard. Choosing screws that meet this standard means selecting products that have undergone strict quality control and standardization. This helps ensure the quality and performance of the screws, thereby enhancing the reliability and safety of the overall product. Convenient Installation Method: The cross-recessed

DIN965 Cross Recessed Countersunk Head Screws Stainless Steel SUS304 / Carbon Steel Class 4.8 8.8 Standardized Design: DIN965 refers to cross-recessed countersunk head screws that adhere to strict German industrial standards, ensuring product quality and performance stability. Variety of Sizes: These screws come in multiple sizes such as M1.6, M2, M2.5, etc., catering to the fixing needs of materials with different thicknesses and hardness. Cross Recess Design: The cross

DIN7985 Cross Recessed Raised Countersunk Head Screws Carbon SteelA3/Stainless Steel SUS304 Class4.8 Characteristics: Standardized Design: Adheres to DIN 7985 standards, ensuring stability in product quality and performance, allowing screws from different manufacturers to be interchangeable. Cross Recessed Design: The screw head is designed with a cross recess, facilitating tightening operations with a screwdriver or power tool and enhancing work efficiency. Raised Cheese