FLAT AND ROUND HEAD HEX SOCKET SCREW
DIN912 ROUND HEAD WITH KNURL HEX SOCKET SCREW
Head Style: Hex socket head / Round head
Material: Steel, Stainless Steel: SS304, SS316, Alloy Steel
Grade: 8.8, 10.9, 12.9
Finish: Plain(Black oxide), Zinc Plated(White/Yellow), H.D.G and etc.
Thread: Metric, UNC, UNF, BSW
Standard:ISO, DIN, ASME, JIS, BS and Non-standard
Sample Service: Samples can be in free when you confirm our price is acceptable.

Product Information
The DIN912 standard is a common fast screw standard developed by the German Institute for Standardization (DIN). This standard is widely used in industry, shipbuilding, machinery and other industries. This standard is used to describe the aterial, size, shape, thread, jacket and head of each screw type.
DIN912 standard screw heads are divided into hexagonal head, handle head, tapered head andsemicircle head. Their characteristics are that they are perpendicular to the material surface and can press the material surface well after installation. It can also be supplied with threads and boots so that wear and sealing issues are avoided during installation, ensuring optimal screw performance.
The main materials of DIN912 screws are steel, stainless steel, aluminum, copper, galvanized and chromium steel, etc., as well as some other alloy materials. The characteristics of different materials such as corrosion resistance, strength,hardness, etc. will determine the usage conditions and limitations of DIN912 screws.
Almost all DIN912 screws can be installed mechanically or by hand. In mechanical operation, you must first cut holes in the material in accordance with the requirements of the DIN912 standard, then insert screws with corresponding sizes and thread sizes into the holes, and finally tighten the screw rods to complete the installation. In manual operation, the operator only needs to insert the screw into the hole and then tighten the rod with the handle to complete the installation.
As a leading provider of construction and fastening solutions, our company supply1000tons for Socket screws products monthly to meet the diverse needs of our clients.Our machine screw are available of carbon steel or stainless steel material and various lengths.
Specification



① When the specification is ≤M4, the screw end does not need to be chamfered
② e min = 1.14 * S min
④ When the nominal length L exceeds 300mm, the length will be increased by 20mm.
⑤ L-b ≥ 3P (P is coarse pitch)
⑥ Material
a) Steel, performance grade: ≤M39: 8.8, 10.9, 12.9; > M39 as per agreement. Standard DIN ISO 898-1
b) Stainless steel, performance grade: ≤ M20: A2-70, A4-70; > M20 ≤ M39: A2-50, A4-50; ≤ M39: C3; > M39 as per agreement. Standard ISO 3506, DIN 267-11
c) Non-ferrous metals, select materials according to standard DIN 267-18
What Are The Advantages Of Using Hex Socket Head Cap Screws Over Other Types Of Fasteners?
Hex socket head cap screws offer several advantages over other types of fasteners:
1. Low Profile: The low-profile head of hex socket head cap screws allows them to be used in tight spaces where a larger head would not fit.
2. Security: The recessed hex socket requires a specific tool (an Allen wrench) to install or remove the screw, providing a level of security against tampering or unauthorized access.
3. Strength: The hex socket design allows for high torque application, making these screws suitable for applications where high clamping force is required.
4. Aesthetic Appeal: The flush-mounted design of hex socket head cap screws provides a clean and professional appearance, making them popular in applications where aesthetics are important.
5. Variety of Materials: Hex socket head cap screws are available in a wide range of materials, including stainless steel, alloy steel, and titanium, making them suitable for diverse environments and applications.
About us
Haiyan Gete Hardware Co.,Ltd
Haiyan Gete Hardware Co.,Ltd is a top-rated manufacturer and supplier of fastener products. Our product line ranges including standard fasteners (such as bolts, nuts,screws,studs and anchors) and non-standard parts which customize according to the drawings from the customers .If you're in need of top-quality fasteners, Contact us today to learn more about our products and services.

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