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.
Standard GB, DIN, BSW, ASTM, ASME Size M3-M50 or non-standard as request&design ASTM A193 B7 1/4″×13-1/4″×102, 5/16″×13-5/16″×152, 7/16″×25-7/16″×100 3/8″×13-3/8″×152, 1/2″×19-1/2″×152, 5/8″×32-5/8″×300, 3/4″×38-3/4×300 7/8″×50-7/8″×300 Material Carbon steel, stainless steel, alloys steel etc. Grade 4.8 / 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
Hexagonal Self-drilling screw Diameter: 4.8mm, 5.5mm,6.3mm(10#,12#,14#), etc. Length: 16-300mm Material: carbon steel, stainless steel, etc. Finish: white zinc plated, yellow 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
Product Features *Name Bow Shackle *Material Carbon Steel *Rated Tension 4,750kgs *Weight 1 KGS * LOGO Accept customization *Cross Pin Diameter 7/8″ 22mm *Technoly Electro galvanizing and spraying *Color Orange / Red / Black / Blue / Grey /Green
size M2- M30 Material Carbon Steel, Stainless Steel, Titanium, Aluminum, Brass, etc Surface Treatment Plain, black, zinc plated/according to your requirement Standard DIN GB ISO JIS BA ANSI Grade SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 Quality Policy All the parts manufactured 100% inspection from OQC before shipping. Thread Coarse, fine Used Building industry machinery electronic,etc Non-standards OEM is available, according to drawing or samples
Product name Manufacturer ring grip quick release pins coiled spring pins stainless steel ball lock pin shaft Size M1-M48,According to the drawing provided by the customer. Grade 4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80 Standard ISO, GB, BS, DIN, ANSI,JIS, Non-standard Material 1. Stainless steel: 201,303,304,316,410 2. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045 3. Copper: H62,H65,H68 4. Aluminum: 5056, 6061, 6062, 7075 5. According to customer demand Surface treatment Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc. Package Plastic bag / small box +outer carton +pallets After-sales Service We will follow up every customer and solve all your problems satisfied after sales
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. 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
Product Name Colorful Hex Acorn Cap Dome Nut DIN1587 304 Stainless Steel Red Black Blue Grey CapNut Finish Silver,Plain, black, zinc plated/according to your requirement Material Stainless Steel,Alloy steel,Carbon Steel,Brass,Aluminum and So on Size M3-M24,or non-standard as request&design Standard GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc Grade 4.8,8.8,10.9,12.9.etc Certification ISO9001,DIN1587 Package according to customers requirement Lead Time 7-15 work days after order confirmed Notes Special specifications and marks can be made according to customers requirements;
Product name Butterfly nut texture of material SS304 SS316 stainless steel，mild steel, Carbon steel,1018,1022,10B21,SCM435,12L14, 1215,4140, 4340, 5120,5140,5145, etc. standard ASME ISO DIN BS Grade A2 A4 or grade 2 5 8 10 Surface plain, zinc plated, hot dip galvanized ,black oxide packing Plastic bag / carton
Electronic connector stamping parts, Electronic housing stamping parts
item 8.8 High Tensile Black Oxide Flat Washer Finish Black, ZINC, Plain Style flat washer Material Stainless Steel, Steel Application Heavy Industry, Retail Industry, General Industry Place of Origin HEB Model Number 6-30 Standard DIN Material Stainlesss Steel， Carbon Steel Surface treatment White Zinc .Yellow Zinc. HDG MOQ 5000pcs Grade 4.8/ 8.8/ 10.9/ 12.9 Ect
Communication equipment stamping parts
Standard GB, DIN, BSW, ASTM, ASME Size M3-M50 or non-standard as request&design ASTM A193 B7 1/4″×13-1/4″×102, 5/16″×13-5/16″×152, 7/16″×25-7/16″×100 3/8″×13-3/8″×152, 1/2″×19-1/2″×152, 5/8″×32-5/8″×300, 3/4″×38-3/4×300 7/8″×50-7/8″×300 Material Carbon steel, stainless steel, alloys steel etc. Grade 4.8 / 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
Hexagonal Self-drilling screw Diameter: 4.8mm, 5.5mm,6.3mm(10#,12#,14#), etc. Length: 16-300mm Material: carbon steel, stainless steel, etc. Finish: white zinc plated, yellow 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
Product Features *Name Bow Shackle *Material Carbon Steel *Rated Tension 4,750kgs *Weight 1 KGS * LOGO Accept customization *Cross Pin Diameter 7/8″ 22mm *Technoly Electro galvanizing and spraying *Color Orange / Red / Black / Blue / Grey /Green
size M2- M30 Material Carbon Steel, Stainless Steel, Titanium, Aluminum, Brass, etc Surface Treatment Plain, black, zinc plated/according to your requirement Standard DIN GB ISO JIS BA ANSI Grade SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 Quality Policy All the parts manufactured 100% inspection from OQC before shipping. Thread Coarse, fine Used Building industry machinery electronic,etc Non-standards OEM is available, according to drawing or samples
