Specification:
● Material: Carbon Steel
● Surface Treatment: Black Oxide
● Standard: DIN7991
● Size: M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M16 M20
● Packaging: Plastic Packaging
Package Including:
● According to your choose!
Introduction to countersunk hexagonal bolts
The countersunk hexagonal bolt is a special type of bolt with a countersunk head design, which allows the head to sink into the interior of the component, resulting in a smooth and non protruding surface after installation. The outer edge of the head of this bolt is round, and the middle is a concave hexagon, which requires the use of an Allen screwdriver for installation. The design of countersunk hexagonal bolts makes them particularly useful in mechanical connections that require aesthetics, high precision, and strict space requirements. In addition, there are various specifications and sizes of countersunk hexagonal bolts, including M2, M3, M4, M5, M6, M8, M10, M16, etc., to meet the needs of different application scenarios.
The advantages of countersunk hexagonal bolts include easy fastening, non disassembly, small space occupation, ability to withstand large loads, and the ability to be countersunk, allowing the bolt to sink into the interior of the workpiece, making it more delicate and aesthetically pleasing without obstructing other components. This makes countersunk hexagonal bolts particularly popular in mechanical connections that require aesthetics and high precision. However, they also have some drawbacks, such as small contact area, low preload force, and lack of full threads beyond a certain length, which may make them less suitable for certain applications than other types of bolts.
Overall, countersunk hexagonal bolts play an important role in mechanical connections that require aesthetics, high precision, and strict space requirements due to their unique design and advantages. Their application scenarios include the connection of small devices, mechanical connections that require high aesthetic and precision requirements, situations that require countersunking, and narrow assembly situations.
Countersunk hexagonal bolts are mainly used in situations where a flat and aesthetically pleasing surface needs to be maintained, especially in mechanical manufacturing and equipment installation.
The special design of the countersunk hexagonal bolt allows its head to sink into the interior of the workpiece, maintaining the flatness and aesthetics of the workpiece surface. The outer edge of the screw head of this bolt is round, and the middle is a concave hexagon, forming a 90 degree vertebral body. After installation, the screw head can be inserted into the installation surface, suitable for areas where there should be no protrusions on the surface of the parts after installation. The advantage of countersunk hexagonal bolts is that they are easy to tighten and disassemble, and are not prone to slipping, especially when used in narrow spaces. In addition, due to its head design, it can reduce the occupation of installation space and is suitable for occasions that require compact design.
The use of countersunk hexagonal bolts is extensive and commonly found in mechanical equipment, such as the hinges of chassis and the connection between doors and boxes. The design of this bolt takes into account force transmission and anti slip performance, allowing it to be used in confined spaces and providing higher torque transmission capabilities, reducing the risk of sliding and damage. In addition, due to its difficulty in disassembly, it is also commonly used in situations that require safe fixation and are not easily disassembled by non professionals.
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Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Bracket Metal Stamping parts products Can be made into different size according to customer’s requirements. Material: carbon steel, stainless steel,aluminum,copper,etc. Finish: white zinc plated, blue zinc plated, etc.
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Finish Plain/Zinc-plated/Galvanized/etc. Measurement System Metric/Inch Place of Origin China Standard GB/ISO/ANSI/DIN/BS/JIS Material Carbon steel/Stainless steel/Brass/Aluminum/etc. Product Grade Grade A Strength Grade Level 4.8/8.8,etc. Applicable Industries Construction Industry Color Plain/White/Black/Gold/etc. Custom Support ODM/OEM
Metal Stamping parts products Building hardware stamping parts Can be made into different size according to customer’s requirements. Material: carbon steel, stainless steel,aluminum,copper,etc. Finish: white zinc plated, blue zinc plated, etc.
12.9 Grade Steel Zinc Plating DIN 912 Hex Socket Head Cap Screws Diameter : M3- M16 Material : Carbon steel Finish : Blue/yellow zinc plated Length : 6 – 100mm OEM : Offer Prices vary in different sizes, please contact us before order!
Product Name U-bolt Package BAG/BOX Grade 4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9,etc Available Material 304 stainless steel,plastic,brass,carbon steel,titanium,aluminum,etc Surface treatment Zinc plated,Black oxide,Phosphate,Dacroment,etc Standard ISO,BS,ANSI, GB,DIN,JIS,Nonstandard Advantage OEM / ODM / customized service provided Quality control ISO standard,100% Whole range inspection through the production Certificate ISO9001,ISO14001,IATF16949,ROHS,etc
Product Name nuts Size M1-M16,or non-standard as request&design Material Stainless Steel,Alloy steel,Carbon Steel,Brass,Aluminum and So on Grade 4.8,8.8,10.9,12.9.etc Standard GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc Non-standards OEM is available, according to drawing or samples Finish Plain, black, zinc plated/according to your requirement Certification ISO9001,IATF16949,ISO14001,etc
Product name G210 Screw Pin Chain Shackles Usage Lifting and connecting, Marine hardware fittings Marine hardware fittings Carbon steel, Alloy steel, Stainless steel 304 or 316 Technology Drop forged, Precision Casting Size custom Shackles pin type Shackles pin type Material Carbon steel/alloy steel
Material Carbon Steel / stainless steel/Zinc/Black/Customized Color Black / Blue / Yellow Zinc Plated / Plain Standard DIN,ASME,ASNI,ISO Finished Zinc Plated,Hot Dip Galvanized Steel,Dacromet,Nickel Plated,Black Oxide,Plain Mark According to customer’s requirement Delivery time Normally in15-30 days. Package Cartons&pallets or according to customer’s requirement.
Metal Stamping parts products Automotive parts stamping parts,Home appliance housing stamping parts Can be made into different size according to customer’s requirements. Material: carbon steel, stainless steel,aluminum,copper,etc. Finish: white zinc plated, blue zinc plated, etc.
Product Name High Strength Carbon Steel Chemical Anchor Bolt Chemical Agent Expansion Screw For Metal Building Finish ZINC, Yellow Material Stainless steel, Carbon Steel Place of Origin China Guangdong Brand Name LPL Model Number LPL-HXLS Standard GB Product name High Strength Carton Steel Chemical Anchor Bolt Material Carbon Steel Application Industry&Building Length Customzied Packaging Carton + Pallet Brand Name LPL Size Customzied Product standards GB Standard
Cross recessed pan head self drilling screw Size:M4.2-M4.8 Length:12mm-50mm Material: carbon steel Finish: white zinc plated, blue zinc plated,yellow zinc plated, etc.
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Bracket Metal Stamping parts products Can be made into different size according to customer’s requirements. Material: carbon steel, stainless steel,aluminum,copper,etc. Finish: white zinc plated, blue zinc plated, etc.
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
