Socket Cap Screws, Flat Head, Black Oxide Stainless Steel 18-8, #4-40 x 1/4"
Screw Diameter - Thread Pitch: #4-40
| Quantity | Unit price |
|---|---|
| To 99 |
$0.20*
|
| To 999 |
$0.14*
|
| From 1000 |
$0.13*
|
- Color: Black
- Condition: New
- Corrosion Resistant: Yes
- Countersink: 82 Degrees
- Diameter: #4
- Drive Style: Internal Hex (Allen)
- Head Type: Flat Head
- Thread Direction: Right Hand
- Thread Type: Coarse
- Finish: Black Oxide
- Fit: 3A
- Grade: 18-8
- Head Height Max: 0.083
- Head Diameter: Max 0.225 - Min 0.218
- Head Style: Flat
- Hex Drive: 1/16"
- Length: 1/4"
- Material: Stainless Steel
- Part Number: 618930222340
- Product Type: Flat Head Socket Cap Screws
- Size Type: Regular
- System of Measurement: Inch
- Thread Direction: Right Hand
- Thread Pitch: 40 Per Inch
- Thread Size: #4-40
- Thread Standard: UNC
- Thread Type: Coarse
- Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
- Weight: 1 lb
#4-40 Flat Head Socket Cap Screws are machine screws with a Hex or Allen drive style.
- Clean and unstamped flat head with a countersunk bottom that runs flush with the installation surface
- Head height is measured from the bottom of the countersink to the top of the head
- Cylindrical head and hexagonal drive style
- Fully threaded up to the countersink
- Black Oxide adds an extra layer of corrosion and abrasion resistance
- Creates a sleek black look
These fasteners are chemically treated to create the back oxide finish and are finished with wax.
Sizes Listed As:
Diameter - Thread Pitch x Length from Top of Head
Frequently Used With
