Allen Screw

M6X30 g8 flat allen screw

The M6X30 flat-head Allen steel screw is manufactured from high-strength carbon steel, providing excellent mechanical performance for medium-load industrial assemblies. Its nominal diameter is 6 millimeters, and the length is 30 millimeters, with a standard thread pitch of 1 millimeter. The unit weight of this screw is approximately 0.035 kilograms per 10 centimeters of length, enabling precise calculation of assembly weight and load distribution. The flat-head design allows flush installation in countersunk holes, ensuring uniform load transfer and preventing stress concentration. Tensile strength reaches around 800 MPa, while surface hardness ranges between 200 and 220 HV, delivering reliable performance under static and vibrational loads.

Wear resistance of the M6X30 Allen flat-head screw is enhanced by precision-machined threads and a hardened steel body, allowing repeated assembly without thread deformation. The screws uniform material structure and surface treatment reduce friction and minimize the risk of galling during tightening. Additionally, the carbon steel composition provides high shear strength and resistance to fatigue under cyclic loads. Its hexagonal socket allows secure torque application, ensuring optimal tightening and preventing slippage. These properties

M8X40 allen screw DIN7991

The M8X40 flat-head Allen screw, grade 8.8, manufactured according to DIN 7991 standards, has a nominal diameter of 8 millimeters and a length of 40 millimeters. Its unit weight is approximately 0.065 kilograms per 10 centimeters, allowing engineers to accurately calculate total assembly weight and load distribution. The screw is made from high-strength alloy steel with controlled carbon content, providing enhanced tensile strength and wear resistance. The thread pitch is 1.25 millimeters, and the thread depth is around 0.8 millimeters, ensuring uniform engagement in nuts or tapped holes. The hexagonal Allen socket allows secure torque application, providing optimal tightening and preventing slippage during assembly.

The tensile strength of the M8X40 8.8 Allen flat-head screw is approximately 800 MPa, with a yield strength of 640 MPa, making it suitable for high-load industrial applications. Its threads are precision-machined to reduce friction and improve wear resistance during repeated assembly cycles. The alloy steel material also offers high shear resistance, durability under cyclic loads, and stability in various environmental conditions. Surface finishing ensures uniform hardness between 200–220 HV, while compliance with DIN 7991 guarantees dimensional accuracy, reliab

M6X30 304 allen screw

The M6X30 stainless steel 304 cylinder-head Allen screw has a nominal diameter of 6 millimeters and a length of 30 millimeters, suitable for medium-load assemblies. Its thread pitch is 1 millimeter, and the thread depth is approximately 0.6 millimeters, providing secure engagement in nuts or tapped holes. The unit weight of the screw is around 0.030 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and load distribution. The cylindrical head with an Allen socket ensures uniform torque application and flush installation in shallow recesses, providing reliable mechanical connection and minimizing stress concentration.

Manufactured from AISI 304 stainless steel, this screw offers excellent corrosion and rust resistance, suitable for indoor and moderately humid industrial environments. Its tensile strength is approximately 500 MPa, and surface hardness ranges from 150 to 180 HV, ensuring durability under static and light dynamic loads. Production follows ISO 4762 standards, ensuring dimensional accuracy, uniform thread geometry, and high-quality machining. The smooth thread and precise cylindrical head design reduce friction during assembly, making the M6X30 stainless steel Allen screw ideal for machinery frames, metal structures, electr

M10X40 allen screw din 7991

The M10X40 flat-head Allen hardened screw, manufactured according to DIN 7991, has a nominal diameter of 10 millimeters and a length of 40 millimeters, suitable for fastening medium to heavy industrial components. Its thread pitch is 1.5 millimeters with a thread depth of approximately 1 millimeter, ensuring uniform engagement and stress-free load transfer. The unit weight is around 0.085 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and structural load analysis. The flat-head design with an Allen socket enables flush installation in countersunk holes, providing even pressure distribution and a clean, uniform connection surface.

This screw is made of hardened carbon steel with heat treatment, providing high wear resistance for repeated assembly and disassembly without thread deformation. Its thermal resistance is stable up to 200°C, and surface hardness ranges between 200–220 HV, ensuring long-term durability and performance in industrial environments. Precision-machined threads and dimensional uniformity according to DIN 7991 guarantee consistent mechanical performance and secure fastening in machinery, industrial equipment, and metal structures. This screw is ideal for applications requiring high load capacity and variable e

Standard Allen screw DIN912

The DIN 912 Allen bolt is one of the most widely used types of machine screws, featuring a cylindrical head and internal hex socket. These bolts are typically manufactured in diameters ranging from M1.6 to M64 and are available in strength grades 8.8, 10.9, or 12.9. The thread angle is 60 degrees, and the pitch can be either coarse or fine depending on the bolt size. The head diameter is generally 1.5 times the nominal thread diameter, and the head height is approximately equal to the thread diameter. For example, an M6 bolt has a head diameter of 10 millimeters and a height of 6 millimeters. Thread tolerance is defined as class 6g, ensuring precise manufacturing standards.

DIN 912 bolts are designed to transmit high torque using an Allen key while occupying minimal installation space. These bolts are commonly made of carbon or alloy steel with heat treatment and surface coatings such as phosphate, zinc plating, or black oxide to enhance corrosion resistance. The recommended tightening torque for an M10 bolt in grade 12.9 is approximately 100 newton meters. These bolts are widely used in machinery, robotics, industrial equipment, and precision mechanical assemblies. The accuracy of the internal socket ensures a secure and durable connection under both static and dynamic loads.

Grade 10.9 steel Allen screw

A steel Allen bolt grade 10.9, according to ISO 898-1, is recognized as a high-strength threaded fastener. These bolts have a nominal tensile strength of 1040 megapascals and a minimum yield strength of 940 megapascals. The material used is alloy steel, heat-treated through quenching and tempering. The thread angle is 60 degrees, and the typical thread tolerance class is 6g. They are manufactured in sizes ranging from M3 to M36, with lengths from 6 to 300 millimeters. Due to their high hardness, the recommended tightening torque for an M10 bolt in this grade is approximately 60 to 70 newton meters.

Allen bolts in grade 10.9 are commonly defined by DIN 912 or ISO 4762 standards and feature a cylindrical head with an internal hex socket. The head diameter is typically 1.5 times the nominal thread diameter. For instance, an M8 bolt has a head approximately 13 millimeters in diameter and 8 millimeters in height. Surface hardness should be between 32 and 39 HRC according to standards. These bolts are usually coated with zinc plating, phosphate, or black oxide for corrosion protection. They are widely used in automotive systems, heavy machinery, hydraulic equipment, and high-stress structural assemblies. The internal socket design allows precise installation in tight spaces.

M6X40 allen screw DIN 7991

The M6X40 flat-head Allen hardened screw has a nominal diameter of 6 millimeters and a length of 40 millimeters, suitable for assembling medium-load mechanical components. Its thread pitch is standard at 1 millimeter, with a thread depth of approximately 0.6 millimeters, ensuring uniform engagement and stress-free force transfer. The unit weight is around 0.035 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and load analysis in industrial structures. The flat-head design enables flush installation in countersunk holes, providing a uniform pressure distribution and a clean, even surface at the connection.

This screw is manufactured according to international standards DIN 912 and ISO 4762, ensuring consistent thread quality, tensile strength, and surface hardness. The body is made of hardened carbon steel, providing a tensile strength of approximately 800 MPa and surface hardness between 200–220 HV. Accurate thread depth and smooth surface finishing increase wear resistance and allow repeated assembly without thread deformation. These production standards guarantee dimensional uniformity and reliable mechanical performance of the M6X40 screw in industrial machinery, mechanical equipment, and structural applications.

M10X30 G8 allen screw

The M10X30 flat-head Allen screw, grade 8.8, has a nominal diameter of 10 millimeters and a length of 30 millimeters, suitable for fastening medium to heavy industrial components. Its thread pitch is 1.5 millimeters with a thread depth of approximately 1 millimeter, ensuring uniform engagement and stress-free load distribution. The unit weight is around 0.085 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and structural design. The flat-head design enables flush installation in countersunk holes, providing even pressure distribution and a clean, uniform surface at the connection.

This screw is made from carbon-controlled alloy steel, with a surface hardness between 200 and 220 HV, providing high wear resistance and long-lasting durability in industrial environments. Its tensile strength is approximately 800 MPa, with a yield strength of 640 MPa, making it suitable for static and dynamic loads. Precision-machined threads reduce friction and allow repeated assembly and disassembly without thread wear. These technical specifications make the M10X30 Allen screw, grade 8.8, ideal for machinery frames, industrial equipment, and metal structures requiring high safety and durability.

M8X30 allen screw DIN 7991

The M8X30 flat-head Allen hardened screw has a nominal diameter of 8 millimeters and a length of 30 millimeters, suitable for fastening medium to heavy mechanical components. Its thread pitch is 1.25 millimeters with a thread depth of approximately 0.8 millimeters, ensuring uniform engagement and stress-free load transfer. The unit weight is around 0.060 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and load analysis in industrial structures. The flat-head design enables flush installation in countersunk holes, providing even pressure distribution and a smooth surface at the connection.

The M8X30 Allen flat-head screw is made of hardened carbon steel, offering a tensile strength of approximately 800 MPa, ensuring safe performance under static and vibrational industrial loads. The smooth surface and precision-machined threads increase wear resistance and allow repeated assembly and disassembly without thread deformation. Manufactured according to international standards DIN 912 and ISO 4762, this screw guarantees dimensional uniformity, surface hardness, and consistent mechanical performance for industrial machinery, mechanical assemblies, and structural applications.

12X70 stainless steel allen screw

The 12X70 stainless steel 304 Allen screw with a cylindrical head, manufactured according to DIN 912, has a nominal diameter of 12 millimeters and a length of 70 millimeters, suitable for heavy industrial assemblies. Its thread pitch is 1.75 millimeters with a thread depth of approximately 1.2 millimeters, ensuring uniform engagement and stress-free force transfer. The unit weight is around 0.175 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and load analysis. The cylindrical head with an Allen socket enables consistent torque application and secure installation in machinery and industrial equipment.

This screw is made from AISI 304 stainless steel, containing 18–20% chromium and 8–10% nickel, providing excellent corrosion and rust resistance. High wear resistance and smooth threads allow repeated assembly and disassembly without thread damage. It also offers significant resistance to dilute acids and environmental corrosive agents. With a surface hardness between 150 and 180 HV, the 12X70 304 stainless steel Allen screw ensures durable and stable performance in industrial, marine, and humid environments.

M10X40 A2 allen screw

The A2 stainless steel Allen screw, size M10X40, has a nominal diameter of 10 millimeters and a length of 40 millimeters, suitable for medium to heavy industrial assemblies. Its unit weight is approximately 0.085 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and load analysis. The threads have a pitch of 1.5 millimeters and a depth of about 1 millimeter, ensuring uniform engagement and stress-free force transfer. The hexagonal Allen socket head allows consistent torque application and secure installation in machinery and industrial equipment.

This screw is made from A2 stainless steel containing 18–20% chromium and 8–10% nickel, providing excellent corrosion and rust resistance. Its high wear resistance allows repeated assembly and disassembly without thread damage. Surface hardness ranges between 150 and 180 HV, and dimensional uniformity according to DIN 912 ensures long-term durability and stable mechanical performance in industrial, humid, and mild chemical environments. This screw is ideal for industrial and structural applications requiring reliable and secure fastening.

Allen screw

The socket set screw, also known as a grub screw, is a headless fastener that is fully threaded and installed using an internal hex Allen drive. These screws are typically manufactured according to DIN 916 or ISO 4029 standards and come with flat, pointed, or cone-shaped ends to lock into shafts or mating parts. Thread diameters range from M1.6 to M24, with lengths typically between 3 and 80 millimeters. The thread angle is 60 degrees, and the thread tolerance class is usually 6g. Most set screws are made in strength class 45H or grade 14.9, offering extremely high compressive strength.

The headless design of the socket set screw allows for a flush surface after installation, securely locking the mating component in place. These screws are commonly used to fix gears, collars, or pulleys onto shafts and to prevent axial movement. The recommended tightening torque for an M6 set screw in grade 14.9 is approximately 20 to 25 newton meters. They are typically made from hardened alloy steel with a surface hardness between 45 and 53 HRC. Common finishes include black oxide or zinc plating to enhance corrosion resistance and reduce friction.

M8X40 stainles steel allen screw

The A2 stainless steel Allen screw, size M8X40, grade 315, manufactured according to DIN 912, has a nominal diameter of 8 millimeters and a length of 40 millimeters, suitable for medium-load industrial assemblies. Its unit weight is approximately 0.065 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and load distribution in structures. The threads have a pitch of 1.25 millimeters and a depth of approximately 0.8 millimeters, ensuring uniform engagement and stress-free force transfer. The hexagonal Allen socket allows accurate torque application and secure installation in machinery and industrial equipment.

This screw is made of A2 stainless steel with 18–20% chromium and 8–10% nickel, providing excellent corrosion and rust resistance, including contact with mild to moderate corrosive solutions. The M8X40 A2 grade 315 screw is virtually non-magnetic, making it suitable for electronic applications and precision equipment. Dimensional uniformity, smooth threads, and DIN 912 compliance ensure consistent mechanical performance and secure fastening under industrial conditions.

M10X50 stainless steel allen screw

The M10X50 stainless steel 304 Allen screw has a nominal diameter of 10 millimeters and a length of 50 millimeters, suitable for medium to heavy industrial assemblies. The threads have a pitch of 1.5 millimeters and a depth of approximately 1 millimeter, ensuring uniform engagement and stress-free load transfer. Its unit weight is around 0.105 kilograms per 10 centimeters of length, allowing precise calculation of total assembly weight and load analysis. The hexagonal Allen socket head enables consistent torque application and secure installation in machinery and industrial equipment.

This screw is made from AISI 304 stainless steel, containing 18–20% chromium and 8–10% nickel, providing excellent corrosion and rust resistance. The smooth surface and dimensional uniformity offer high wear resistance and allow repeated assembly and disassembly without thread degradation. Its tensile strength is approximately 500 MPa, and surface hardness ranges from 150 to 180 HV, ensuring durable and stable performance in industrial, humid, and marine environments.