Metal Sems Slotted Phillips Torx Hex Socket Drive Pan Cap Truss Round Head Screw Assembled With Double Square Flat Spring Washer

Product Description
This is a “universal SEMS screw family" offering a wide choice of drives (Slotted, Phillips, Hex Socket, Torx), head styles (Pan, Round, Truss, Cap), and washer combinations (double flat washers, square washer, flat washer, spring washer). Materials include carbon steel (Grade 4.8 to 12.9) and stainless steel (A2/A4) with finishes such as zinc plating, nickel plating or black oxide. The washers are pre‑assembled and captive. This product line is designed for automated assembly, repair kits and equipment manufacturers who need flexibility. Users can select the exact drive, head and washer configuration to match their application.
Applications
| Industry |
Usage |
| Automotive |
High-strength applications in engines, heavy-duty machinery, and bridge construction |
| Mechanical |
Connecting mechanical parts, circuit boards, engines, transmissions in various industries |
| Energy |
Connecting power generation equipment and transmission lines |
| Architectural |
Building structures, shipbuilding, and petrochemical equipment |
- Electronics repair kits: multiple drive types for different devices.
- Automated production change‑over parts: different drives for different stations.
- Instrument internal fixing: pan head + spring washer for vibration resistance.
- Rail vehicle interior panels: Torx drive with large flat washer.
- Custom cabinets and distribution boards: choose flat or spring washer to avoid paint damage.
Key Features
- All drive types available – use the bit you already have.
- Flexible washer configurations – double flat for soft materials, square for anti‑rotation, spring for vibration.
- Multiple head styles – pan for general, truss for wide bearing, cap for countersinking.
- One‑stop sourcing – reduce supplier management.
- Custom anti‑loosening solutions – e.g., spring + square washer combination.
Company Information
Frequently Asked Questions
Q: Are you trading company or manufacturer?
A: We are factory and OEM are available.
Q: How long is your delivery time?
A: Generally 7-10 days if in stock, or 15-20 days if not in stock (depending on quantity).
Q: Do you provide samples? Is it free or extra?
A: Yes, we offer free samples but customers pay the freight cost.
Q: What are your payment terms?
A: 30% T/T in advance, balance before shipment or L/C.