Self Tapping Screws
Stainless Steel Pan Head Phillips Fine Thread Self Tapping Screws For Electronics Enclosure Assembly
Quick reference – which self tapping screw do you need?
| Your material | Head | Thread | Material |
|---|---|---|---|
| Thin metal sheet | Pan or hex | Fine | 304 stainless |
| Wood furniture | Flat | Coarse | Zinc plated |
| Plastic enclosure | Wafer | Forming | Brass or stainless |
| Trailer floor | Hex | Coarse | Galvanized |
| Electronics | Pan | Fine | Brass |
| Outdoor sign | Flat | Coarse | 316 stainless |
| Drywall | Flat | Coarse | Black oxide |
| Automotive trim | Wafer | Forming | 304 stainless |
Head shape – what it does
| Head | Feature |
|---|---|
| Flat | Sits flush with surface |
| Wafer | Low profile, wide clamp |
| Pan | General purpose |
| Hex | High torque, wrench drive |
| Countersunk | Hides below surface |
| Truss | Wide head, soft materials |
Thread type – when to use
| Thread | Use for |
|---|---|
| Fine | Thin metal, hard plastic |
| Coarse | Wood, soft plastic |
| Forming | Plastic (no chips, no cracks) |
| Cutting | Metal (less torque) |
Material – what it resists
| Material | Resists |
|---|---|
| 304 stainless | Rust, moisture, outdoor |
| 316 stainless | Salt water, chemicals |
| Brass | Corrosion, magnetism |
| Zinc plated | Light rust (budget) |
| Aluminium | Weight, corrosion |
| Black oxide | Glare (indoor) |
Drive type – what tool
| Drive | Tool |
|---|---|
| Phillips | Phillips screwdriver |
| Slotted | Flat blade |
| Hex socket | Allen key |
| Torx | Torx driver |
Size & strength
- M2, M3, M4, M5, M6. Lengths 6–50mm. Inch sizes available.
- Grade 4.8, 6.8, 8.8, 10.9, 12.9.
Installation quick tips
| Issue | Fix |
|---|---|
| Pilot hole too small | Drill slightly smaller than screw |
| Torque too high | Use clutch, start slow |
| Wrong bit | Use correct Phillips/Torx/hex |
| Hardwood splitting | Always pre‑drill |
| Plastic cracking | Stop when head touches |
Quality
ISO 9001 and ISO 10012 certified. Every batch inspected.
Custom
Send drawing or sample. OEM welcome.
- Self tapping – cuts own thread
- Flat / wafer / pan / hex / countersunk / truss
- Fine / coarse / forming / cutting thread
- 304 / 316 / brass / zinc / aluminium / black oxide
- M2 to M6, Grade 4.8 to 12.9
- Quick reference – match material to screw
YH Fastener has been making precision fasteners since 1998. We make self tapping screws, machine screws, shoulder screws, and custom fasteners. ISO 9001 and ISO 10012 certified. Factory direct. Ship to over 60 countries.
