CN
EN
Standard & Custom Wrench Guide: L-Shaped, Z-Shaped and Special Custom Wrenches
Release time：2026.08.12
Source：Dexin Metal
Views：7
Industrial Overview of Stamped Simple Wrenches and Customized Special Hardware Tools
1. What Are Simple Stamped Wrenches?
Simple wrenches, also known as stamped flat wrenches, are thin, lightweight metal tools formed by one-piece stamping. Unlike forged thickened hand tools used for professional maintenance, simple wrenches are mainly used for factory supporting assembly, product packaging accessories and daily lightweight locking and disassembly. With simple structure, stable hardness and low production cost, they have become essential supporting hardware for furniture, electrical appliances, machinery, smart equipment and household products.
The two most common mainstream styles are L-shaped wrenches and Z-shaped wrenches. Both adopt integrated stamping molding without welding points, ensuring overall toughness and not easy to break during use. They are suitable for matching screws, nuts and fasteners of various specifications, realizing fast locking and loosening operations.
2. Common Types and Structural Advantages
- L-Shaped Wrench L-shaped wrench is the most universal standard matching tool. Its right-angle bending design provides labor-saving leverage, suitable for conventional flat space operation. It is widely packaged with furniture, electrical equipment, mechanical accessories and daily hardware products, supporting conventional assembly and after-sales disassembly.
- Z-Shaped Wrench Z-shaped wrenches adopt a double-bend offset structure. The offset design can avoid space interference, perfectly adapting to narrow gaps, embedded screws and limited operating positions. It solves the problem that ordinary straight wrenches cannot work in deep and hidden installation positions, and is commonly used in household appliances, electronic equipment and small machinery.
3. Production Process of High-Quality Simple Wrenches
Although simple wrenches look structurally uncomplicated, stable quality requires standardized stamping and finishing processes.
- Raw Material Selection High-quality high-carbon steel or medium-carbon steel sheet is selected to ensure the wrench has sufficient hardness and torsion resistance, avoiding tooth slipping or bending during locking.
- Precision Stamping & Forming Integrated die stamping ensures consistent overall size, flat surface and standard hole position tolerance. The one-piece molding process makes the whole tool more durable without fracture risk.
- Deburring & Polishing All edges are finely polished to remove sharp burrs, ensuring safe handheld use and no scratch during assembly.
- Surface Anti-Rust Treatment Galvanization, blackening or oil sealing treatment is adopted to improve oxidation resistance, suitable for long-term storage and product supporting delivery.
4. Custom Special Wrench: Rubber-Coated Wrench for Coffee Machine Equipment
In addition to standard L-shaped and Z-shaped wrenches, customized non-standard special wrenches are becoming a hot product in hardware supporting industries. Different from general tools, equipment-specific customized wrenches are designed according to equipment structure, screw position and operating space.
Recently, we have successfully mass-produced custom rubber-coated special wrenches for coffee machines. Coffee machines have compact internal structures, narrow assembly spaces and high requirements for tool appearance and hand feel. The customized wrench adopts special bending geometry and non-standard hole spacing to adapt to hidden screws of coffee machine components. The surface is wrapped with environmentally friendly rubber coating, which is anti-slip, insulated, comfortable to hold and not easy to scratch the equipment shell.
This kind of custom special wrench is not universal in the market and can only be produced through personalized mold opening and structural design. It is widely applicable to coffee machines, small household appliances, smart equipment, medical devices and customized mechanical tools.
5. Application Scenarios of Wrench Products
Standard L-shaped and Z-shaped simple wrenches are mainly used for furniture supporting, electrical appliance packaging, mechanical equipment assembly, fastener matching and daily maintenance. Custom rubber-coated special wrenches are more focused on high-precision equipment fields such as coffee machines, smart home appliances, precision electronics and special industrial equipment, providing exclusive disassembly and assembly tool solutions for brands.
6. Dexin Metal Wrench Customization Strength
Dexin Metal provides one-stop services including standard simple wrenches and non-standard custom wrenches. We support custom bending shape, special hole position size, length adjustment, surface rubber coating, color customization and special process treatment. With independent mold development capability and stable mass production capacity, we have completed batch customization of coffee machine special wrenches for customers, delivering high-precision, safe and stable hardware tool supporting solutions for global equipment and home appliance brands.
News recommendation
Structure, Manufacturing Process & Furniture Assembly Application
2026-08-10
Double End Stud Bolt: Classification, Production Process & Industrial Application Guide
2026-08-06
How Are High-Quality Industrial Nuts Manufactured? Complete Standard Production Process
2026-08-04
Screw Surface Treatment & Salt Spray Standard Guide｜Dongguan Dexin Metal Co., Ltd.
2026-07-31
Multi‑Station Cold Heading Machine｜Dongguan Dexin Metal Co., Ltd. Core Manufacturing Power
2026-07-28