WING NUTS MANUFACTURER IN CHINA
Ningbo Teng Qi Fasteners Co., Ltd is a wing nuts supplier in China. Wing nuts are a type of fastener designed for easy hand-tightening and loosening without the need for tools. They have two large, flat “wings” on opposite sides of the nut that allow for quick manual rotation. These wings provide a convenient grip for turning the nut by hand, making it possible to secure or release threaded connections without the use of wrenches or pliers.
Wing nuts are commonly used in applications where frequent adjustments or quick assembly/disassembly is needed. They are often found in furniture, equipment, and fixtures that require easy installation and removal without the need for additional tools. It’s important to note that while wing nuts are convenient for hand-tightening, they might not provide as much clamping force as traditional nuts tightened with tools.
Specification of wing nuts:
| Product Name | Wing Nut |
|---|---|
| Diameter | Metric: M4-M24 Imperial:5# to 3/8" |
| Class | 4.8/6.8/8.8/10.9/12.9 A2-70 A2-80 A4-70 A4-80 |
| Grade | SAE J429 GR.2/5/8 |
| Material | Steel/Stainless steel/Brass |
| Manufacturing Process | wire drawing, cold heading/hot forging, thread rolling, heat treatment, surface treatment |
| Surface treatment | Black Oxide Coating/Zinc Plating (Electroplating)/Hot-Dip Galvanizing/Mechanical Galvanizing/Dacromet Coating/Painting or Powder Coating |
| Application Industry | Construction/Agricultural Machinery/Industrial Structures/Equipment and Machinery/Infrastructure |
Manufacturing quality control of wing nut:
| Inspect Item | Detail |
|---|---|
| Dimensional Inspection | Critical dimensions such as bolt diameter, head width, head height, bolt length and thread length are checked using calibrated measuring equipment. Inspection is carried out according to the applicable dimensional standard or customer drawings to ensure consistent fit and interchangeability. |
| Thread Inspection | External threads are inspected using calibrated GO and NO-GO thread gauges to verify thread profile, pitch and dimensional conformity. Additional measurements can be performed when tighter thread tolerances or specific customer requirements apply. |
| Mechanical Testing | Mechanical properties are verified according to the specified material and strength grade. Depending on the applicable standard, testing may include tensile strength, yield strength, hardness and other required mechanical tests, with test results documented in the relevant inspection or material reports. |
| Surface & Coating Inspection | Bolt surfaces are inspected for appearance, defects, coating uniformity and other specified requirements. For coated fasteners, coating thickness and adhesion or other applicable coating characteristics can be checked according to the specified surface treatment standard. |
| Final Inspection & Testing | Before shipment, finished hex bolts undergo final inspection to confirm dimensions, thread quality, mechanical requirements, surface condition, marking and packaging. Inspection records and test reports can be provided according to the order specification and customer requirements. |