#4-40 Flat Head Socket Cap Screws Alloy Steel 12.9 Countersunk Head Allen Hex
✅Screw Head: Socket Cap, Screw Drive: Hex Socket, Thread Diameter: #4-40
✅Material: 12.9 Grade alloy steel with corrosion resistant black oxide finish to ensure life-time use, They have excellent corrosion resistance, firmness, wear resistance and low temperature resistance.
✅Advantage: Hexagonal socket head type, uniform force is not easy to slip, easy to use. Suitable for replacing old bolts at any time.
✅Easy to Install: The hexagonal shape makes it easy to tighten and loosen the screws, even in hard-to-reach areas.
✅Application: Widely used in woodworking and DIY jobs, the repair industry and power industry, aerospace industry, office equipment industry, petrochemical industry, electronics industry, communications industry, shipbuilding industry, machinery, etc.
Specification:
Head Style: Flat Head
Drive Style: Allen Hex
Material: 12.9 Grade alloy steel
Color: Black
Screw Type: Flat Head Countersunk Socket Cap Screw
Thread Diameter: #4-40
Length: 1/4" ~ 3/4"
Package included:According to your choice
Tips:
1) Due to different lighting and screen settings, the item's color may be slightly different from the picture.
2) Due to different manual measurement methods, please allow a small size difference.
| Brand | GooBetter |
|---|---|
| MPN | Does not apply |
| Type | Machine Screws |
| System of Measurement | Inch |
| Head Style | Flat |
| Material | Alloy Steel |
| Screw Size | #4 |
| Thread Size | #4-40 |
| Color | Black |
| Drive Type | Hex-Key |
| Drive Style | Hex-Key |
| Fastener Type | Socket Screw |
| Grade | 12.9 |
On Apr 20, 2025 at 19:44:44 PDT, seller added the following information: