OEM Stainless Steel 304 Self Tapping Screws Phillips Pan Head Metric M3 M4 For Metal Sheet and Enclosure Assembly Supplier, Factory
Self tapping screws for metal wood and plastic. Phillips pan head flat head and wafer head styles. Stainless steel brass and galvanized finishes. Metric M2 to M6. Class 4.8 and 6.8. Fine thread for thin metal coarse thread for wood. No pre tapping needed. For electronics furniture trailer sheet metal and general assembly.
No pre tapping means you save time. Less tools needed. Fewer steps per screw. If you are doing high volume assembly these will cut your labor cost.
Quality
We check every batch. Thread gauges hardness testers and visual inspection. Class 4.8 and 6.8 grades. Custom work available. Bulk pricing. Direct shipping.
Product Highlights
Cuts own thread as you drive it in
No pre tapping needed saves time
Flat head wafer head pan head styles
Stainless steel brass galvanized black oxide
Fine thread for thin metal hard plastic
Coarse thread for wood soft plastic
Metric M2 to M6 Class 4.8 and 6.8
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Frequently Asked Questions
Q: Do I need to drill a pilot hole before using self-tapping screws?
Yes, drilling a proper pilot hole is recommended to ensure precise alignment and prevent material from cracking, especially when fastening into hardwoods or denser metals.
Q: What is the primary difference between fine and coarse thread screws?
Fine thread screws feature more threads per inch and are optimal for thin metal and hard plastics to resist pull-out. Coarse threads bite faster and provide superior hold in softer materials like wood.
Q: Which material option should be selected for outdoor environments?
Stainless steel is the best choice for exterior applications and humid environments because it provides superior corrosion and rust resistance.
Q: What are the advantages of an Allen head over a Phillips head?
An Allen (hex) drive allows significantly higher torque application during fastening without stripping the head, whereas Phillips heads are universal and easier to match with standard tooling.
Q: Are custom fastener sizes and bulk wholesale orders supported?
Yes, standard sizes range from M2 through M6 (lengths 6mm to 50mm), and non-standard custom specifications can be manufactured along with bulk pricing options.
Q: What quality standards are maintained for these self-tapping screws?
Every batch goes through strict quality control, including thread gauge verification, hardness testing, and optical inspections to ensure Class 4.8 and 6.8 compliance.
