China OEM 5-Sided Hex Wrench Supplier
Description
The 5-Sided Hex Wrench is a hand tool for fastening or removing bolts/nuts designed for pentagonal interiors. Its head has a pentagonal prism structure, unlike traditional hexagonal inner hexagonal wrenches, and is suitable for specially designed fasteners (e.g., tamper-proof bolts, high-precision mechanical parts). The pentagonal design provides a more even torque transmission, reduces the risk of slippage, and is especially suitable for scenarios where high precision and tightening force are required.
Features
The head of the 5-Sided Hex Wrench is a 5-sided prism structure, which precisely matches the inner pentagonal bolt. The 5 contact points are evenly distributed, which fits better than the traditional 6-angle wrench and reduces the wear on the bolt. Usually forged from chrome-vanadium steel (Cr-V), the surface is chrome-plated or blackened, which is resistant to corrosion and durable. Common in L-shaped or straight shank design, the size is compact, easy to carry and operate.
Applications
The 5-Sided Hex Wrench can be used in:
Automobile manufacturing and maintenance: special engine parts bolts, transmission fixing screws (such as some special fasteners for Japanese cars).
Aerospace: Precision fastening of aircraft structural components and engine components.
Industrial equipment: high-pressure joint bolts in heavy machinery and hydraulic systems.
About Us
YDS Tool makes and sells drill bits, saw blades, saw bits, and electric screwdrivers. Our product list also includes toolboxes, spray guns, hole saws, polishing tools, and air nail guns. As a professional supplier of Professional Hand Tools, we offer around a thousand product varieties. To better serve our customers, we’ve set up an office in China International Trade City.
Our products sell well across large and medium-sized Chinese cities. They’re also popular in many overseas regions, like Korea, Southeast Asia, the Middle East, Europe, and America.
Our factory always adheres to the principle of “good faith, customer priority.” We focus on providing high-quality products, constantly develop new items, and quickly introduce them to the market. We sincerely welcome domestic and international customers to visit us and work with us.

