Countersunk Self Tapping Bolt
Countersunk Self Tapping Bolts are cross recess flat countersunk fasteners manufactured to DIN7982. The conical head can sink completely into workpiece surface to achieve flat appearance, suitable for concealed assembly requirements. Self-tapping thread creates internal thread directly on thin metal, plastic and wood materials. We produce matching nuts in house and support combined one-stop orders.
Handan Hengmai Fasteners Manufacturing Co., Ltd. is one of the most reliable manufacturers and suppliers of countersunk self tapping bolt in China. As we have world-leading production equipment and strong manufacturing capabilities, we warmly welcome you to buy bulk high quality countersunk self tapping bolt for sale here from our factory. Customized orders are welcome.
Product Overview
Countersunk Self Tapping Bolts are cross recess flat countersunk fasteners manufactured to DIN7982. The conical head can sink completely into workpiece surface to achieve flat appearance, suitable for concealed assembly requirements. Self-tapping thread creates internal thread directly on thin metal, plastic and wood materials. We produce matching nuts in‑house and support combined one-stop orders.
Product Specification
|
Parameter Item |
Standard Index |
|
Material |
Carbon steel, 410 stainless steel |
|
Drive Type |
Phillips cross recess |
|
Thread Precision |
Self tapping thread |
|
Surface Treatment |
Electro-galvanized, zinc-aluminum coating |
|
Size Range |
ST2.2 – ST6.3 |
|
Executive Standard |
DIN7982 |
|
Head Type |
Countersunk flat head |
Product Properties
1. Countersunk design allows head fully embedded into workpiece for smooth surface;
2. Cross recess fits electric screwdriver for efficient mass assembly;
3. Self-tapping thread simplifies construction without pre-tapping holes;
4. Compact structure, widely used for concealed installation of thin components.
Application
Furniture assembly, advertising hardware, electronic equipment casing, aluminum profile, plastic parts and light sheet metal concealed fastening.
Quality Control & Testing
All batches pass tapping performance test, dimension inspection and salt spray testing for electroplated versions. Material certificates are available upon request.
Packing, Storage, Handling And Transportation
Standard packing: inner moisture-proof PE bags + cartons or woven bags, palletized for sea shipment. Keep dry during storage and transportation.
After‑Sales & Service
Pre-sales engineers advise proper length and surface treatment according to your materials. Factory quality problems will be solved with free replacement and freight coverage.
FAQ
Q1: What is the difference between pan head and countersunk self tapping bolts?
A: Pan head stays on surface; countersunk head sinks into workpiece for flat finished surface.
Q2: Can nuts be supplied together?
A: Yes, our self-produced hex nuts can be combined for one shipment.
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