Torx Oval Head Screw
Standard: ISO 14587
Thread Type: Self-Tapping Thread
Commodity: Torx Oval Head Screw
Also Named: Torx Concrete Screws
Material: Carbon Steel
Form/Shape Of Tip: C
Diameter: ST2.9×10、ST3.5×15、ST4.2×20、ST4.8×25、ST5.5×25、ST6.3×30
Finish: Plain, Black Oxide, Zinc Plated, Thick-Film Passivated(ZSML), Zinc Flake, Silver(ZFSHL), Hot Dipped Galvanized, Organic, Geomet, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Alternative Standard: JIS B 1128 (O)
Head Type: Raised Countersunk Head / Oval Head
Drive Type: Hexalobular Socket
MOQ: 1000kgs
Lead Time: 30 to 60 days
Product Introduction
AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of torx oval head screw in China. Please feel free to buy high quality torx oval head screw made in China here from our factory. For price consultation, contact us.

As a global supplier of customized fastening solutions, AYA's service process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.
PRODUCT DESCRIPTION
Product Name | Torx Oval Head Screw |
Also Named | Torx Concrete Screws |
Material | Carbon Steel |
Standard | ISO 14587 |
Form/Shape Of Tip | C |
Diameter | ST2.9×10、ST3.5×15、ST4.2×20、ST4.8×25、ST5.5×25、ST6.3×30 |
Finish | Plain, Black Oxide, Zinc Plated, Thick-Film Passivated(ZSML), Zinc Flake, Silver(ZFSHL), Hot Dipped Galvanized, Organic, Geomet, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Alternative Standard | JIS B 1128 (O) |
Head Type | Raised Countersunk Head / Oval Head |
Drive Type | Hexalobular Socket |
Thread Type | Self-Tapping Screw Thread |
DIMENSIONS TABLE

| Thread Size | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ||
| P | Pitch | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| a | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | ||
| dk | theoretical | max | 6.3 | 8.2 | 9.4 | 10.4 | 11.5 | 12.6 |
| actual | max | 5.5 | 7.3 | 8.4 | 9.3 | 10.3 | 11.3 | |
| min | 5.2 | 6.9 | 8 | 8.9 | 9.9 | 10.9 | ||
| f | ≈ | 0.7 | 0.8 | 1 | 1.2 | 1.3 | 1.4 | |
| k | max | 1.7 | 2.35 | 2.6 | 2.8 | 3 | 3.15 | |
| r | max | 1.2 | 1.4 | 1.6 | 2 | 2.2 | 2.4 | |
| y | Type C | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | |
| Type F | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | ||
| Type R | / | 2.7 | 3.2 | 3.6 | 4.3 | 5 | ||
| Socket No. | 10 | 15 | 20 | 25 | 25 | 30 | ||
| A | Ref. | 2.8 | 3.35 | 3.95 | 4.5 | 4.5 | 5.6 | |
| t | max | 1.27 | 1.4 | 1.8 | 2.03 | 2.03 | 2.42 | |
| min | 1.01 | 1.14 | 1.42 | 1.65 | 1.65 | 2.02 | ||
PRODUCT DETAILS

PRODUCT ADVANTAGES

ADVANTAGES OF Torx Oval Head Screw
1. High-quality material with an oval head and sharp threads
2. Torx oval head allows more torque transmission that enables tighter fastening.
3. Torx oval head screws have a security edge, they cannot be opened using a traditional screwdriver. A special Torx key is required for tightening and losing it.
4. These screws have a wide range of usage, they are used in vehicles, motorcycles, bicycles, computer systems, and other electronics.
5. AYA is a global supplier of customized fastening solutions.
6. The company leaves no stone unturned in finding solutions to its customer's problems. It provides the customer with a comprehensive fastening solution.
QUALITY INSPECTION

PACKAGING & CONTAINER LOADING

USAGE SCENARIOS

WHY CHOOSE AYA?
AYA provides exclusive services to 1000+ members from all over the world every year, with a unique chain service solution system, you only need to click the mouse to get exclusive fastening solution and enjoy door-to-door services.
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