PRODUCT
Material: carbon steel
Finish: zinc plated
Certification: ISO7380
MOQ:1000PCS
Samples: Free
Place of Origin: Zhejiang China
Product Details
Wafer Head Cross Phillips Driver Recessed Self drilling Screw
Description:
| Name | Wafer Head Cross Phillips Driver Recessed Self drilling Screw |
| Place of Origin | Jiaxing, Zhejiang, China |
| Dimension | st2.9-6.3 |
| Surfance | zinc plated |
| Material | carbon steel |
| Standard | DIN |
| Non-standards | OEM is available, according to drawing or samples |
| Samples | Samples are free. |
| Package | Pack the box first and put it in the carton, or according to customers' requirement. |
| Payment | T/T or L/C |
Standard export packing or According to customer's requirement
Q:What is your main products?
A:Fasteners, Bolt, nut, screws, washer, threaded rod, anchors, self tapping screws, self driling screws, stainless steel plate, etc.
Q: What is your delivery time?
A:It depends on if we have stock or not, if we have stock goods, we can delivery within 2 days after receive the payment. And normally our production is in 20-30 days for one container (20-26 ton) products.
• Material: 1022A carbon steel, hardened & tempered to HRC 32–39
• Finish: Blue-zinc electro-plated 5–8 µm, trivalent chromate for 72 h salt-spray resistance
• Head: Wafer (large bearing) head Ø ≈ 2× shank, 6-lobe countersunk underside for flush seating
• Drive: Cross Phillips #2 recess—high torque, low cam-out
• Thread: UNC-2A, twin-lead thread for rapid pull-down
• Point: #2 or #3 self-drilling tip drills, taps & fastens in one step through steel ≤ 6 mm (12–14 ga)
• Range: #8 × 1/2" up to #12 × 2-1/2" (4.2 mm–5.5 mm Ø, 13 mm–63 mm length)
• Pull-out ≥ 1.3 kN in 2 mm steel substrate
• Shear ≥ 2.8 kN
• Recommended RPM: 1,500–2,500 for 0.8–6 mm metal thickness
• Corrosion protection: 6+ years indoor, 3–5 years outdoor sheltered
• Fastening metal roofing & wall panels to light-gauge steel purlins
• HVAC ductwork & insulation clips to galvanized framing
• Electrical enclosures, switch boxes & telecom cabinets
• Prefab steel buildings, modular carports & solar racking
