18-8 Stainless Steel
Temper-Risisitant Torx Security Screws with Washer
Security Screw (temper proof screw) it is a self tapping or self drilling screw with a unique head or driver, making it nearly impossible to remove with common tools. Popular type of driver for security screws include:
- Security Torx Screw (Pin Torx Screw or Star Drive Screws)
- Pin Hex Screw (Security Hex Screws)
- Snake Eye Screw (2 Hole Screws, Pig Nose Bolts, Spanner Drilled Screw)
- Clutch Head Screw ( One Way Security Screw, Slotted Tamper Proof Screw)
- 5-Lobe Torx Screw (5-lobe Torx Plus Screw, Pin Torx Security Screw)
- Tri-wing Torx Screw
Our tamper proof fasteners include various types of drive, custom drive and match screwdriver are according customer’s requirements.

Temper-Risisitant Torx Security Screws
EXAMPLES & SPECS

| Items | Description |
|---|---|
| Thread Size | M1.2-M20, #1-#18 |
| Length | 2mm-100mm, 1/4”-2” |
| Head Design | Pan, Hex, Flat, Round, Socket |
| Driver Type | Torx Pin, Pin Hex,Two Hole, 5-lobe Torx, S Type |
| Thread Style | Self Tapping, Self-Drilling, Machine Thread |
| Material | Carbon Steel, 304 Stainless Steel, 316 Stainless |
| Surface Treatment | Zinc, Black Oxide, Dacromet Black, Passivation |
| Production Process | Cold Heading Forming |
| Grade | Grade4.8, 6.8, 8.8, 10.8, 12.8 |
| Standard | DIN, ISO, JIS, GB |
| Application | Sheet Metal, Plastic |
SEMS Screw Production Process
QUALITY FASTENERS FOR ANY PROJECT
We understand that there are situations when you need your fasteners—fast. So, we’re always prepared to handle the biggest orders and have them rushed to you in days, not weeks. And if the item you’re looking for is not in stock, we can usually manufacture it by the next day and ship it to you instantly.
| Product | Phillips Sems Screw |
|---|---|
| Material | Carbon Steel, Stainless Steel |
| Finish | Galvanized, Passivated/Clean |
| Grade | 4.8/6.8/8.8/12.8 |
| Certificate | ISO9001:2015 |




