Hollow bolts are mostly used for connection sealing in oil and water delivery pipes. They feature a dual function of fastening while still allowing for a medium flow through them.Hollow bolts are widely used in engine fuel supply systems for automobiles, ships and machinery.
Factory Price Stainless Steel Banjo Bolt Hollow Screw
Banjo screw
After the external thread on the hollow bolt matches the internal thread in the shaft hole, the upper part of the screw is fixed in the sleeve shaft, and the sliding rod can slide along the arc concave edge.
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Product Description
Product Name | Hollow bolt、Banjo bolts |
Thread size | M2-M42 or customized |
Standard | ISO,GB,DIN,BS,ANSI,JIS,Nonstandard. |
Grade | 4.8/ 6.8/ 8.8/ 10.9/ 12.9 |
Available Material | All carbon steel,Stainless steel 201/301/304, alloy steel,copper,etc. |
Surface Treatment | Nickel,trivalent zinc,silver plating,etc. |
Advantage | OEM / ODM / customized service provided |
Quality control | ISO standard,100% Whole range inspection through the production |
Certificate | ISO9001,IATF16949,ISO14001,ROHS |
After-sales Service | We will follow up every customer and solve all your problems satisfied after sales |
Material | Carbon steel,Stainless steel,brass,Aluminum，Allloy sreel,,Etc |
After-sales Service | We will follow up every customer and solve all your problems satisfied after sales |
What is a hollow bolt?
The Hollow Bolt is a patented method of securing to square, rectangular or circular hollow section steel, or to conventional steel work where access is available from one side only.
The base of the hollow bolt is a regular hexagon, with symmetrical depressions on both sides of the regular hexagon, forming an
arc. The upper part is a cylinder, and the top has external threads.
arc. The upper part is a cylinder, and the top has external threads.
The middle part of the utility model is a hollow cylinder. When in use, the screw passes through the hollow bolt, and the external
protrusion on the screw is stuck at the top of the hollow bolt.
protrusion on the screw is stuck at the top of the hollow bolt.
Banjo screw
After the external thread on the hollow bolt matches the internal thread in the shaft hole, the upper part of the screw is fixed in the sleeve shaft, and the sliding rod can slide along the arc concave edge.
Hollow bolts are mostly used for connection sealing in oil and water delivery pipes. They feature a dual function of fastening while still allowing for a medium flow through them.Hollow bolts are widely used in engine fuel supply systems for automobiles, ships and machinery.
Using Effects
How do hollow bolts work?
A typical connection is made by inserting the hollow bolt into the pre-drilled holes of the fixture and hollow section. As the bolt head is tightened, the cone is pulled up the bolt thread, causing the sleeve to expand until the cone locks the sleeve against the hollow section's inner wall.
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Contact Us
● We served more than 100,000 customers and exported more than 100+ countries in the world.
● We have 100+ workers and 10+ R&D and quality employees.
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Chuanghe Fastener Co, Ltd. (CHE ) offers OEM & ODM & Customized services to customer, which included cold heading, CNC processing center, wire cutting, powder metallurgy processing and assembly of metal parts with plastic parts.We have industry leading quality inspection equipment such as 3D scanner, Ultrasonic Flaw Detector etc
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Contact with us
Tel: +86-186 0769 4667
E-Mail: info2@dgchuanghe.com
Add:
RM302, No.4 building Lizhou industrial Park, Shangshanqi, Zhushan District, Dongcheng Town, Dongguan City, China
