Socket Cap Screws, Button Head, Black Oxide Stainless Steel 18-8, #4-40 x 3/8" FT
Screw Diameter - Thread Pitch: #4-40
| Quantity | Unit price |
|---|---|
| To 99 |
$0.12*
|
| To 999 |
$0.08*
|
| From 1000 |
$0.07*
|
- ANSI: B1.1
- Class: 2A
- Color (Duplicate): Black
- Color: Black
- Condition: New
- Corrosion Resistant: Yes
- Diameter: #4
- Drive Style: Internal Hex (Allen)
- Head Type: Button Head
- Thread Direction: Right Hand
- Thread Type: Coarse
- Finish: Black Oxide
- Fit: 3A
- Grade: 18-8
- Head Height: Max 0.059 - Min 0.051
- Head Diameter: Max 0.213 - Min 0.211
- Head Style: Button
- Hex Drive: 1/16"
- Length: 3/8"
- Material (Duplicate): Black Oxide Stainless Steel
- Material: Stainless Steel
- Part Number: 618930217865
- Pattern: Button Head Socket Cap Screw
- Product Type: Button Head Socket Cap Screws
- Size Type: Regular
- System of Measurement: Inch
- Thread Diameter: (#4) Max 0.1112 - Min 0.1061
- 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 Button Head Socket Cap Screws are bolts or machine screws with a Hex or Allen drive style.
- Commonly referred to as allen bolts, button heads, or socket head screws
- Clean and unstamped domed head with a flat bottom that protrudes above the installation surface
- Cylindrical head and hexagonal drive style
- Head diameter is nominally 1.5 times or more that of the screw shank (major) diameter
- Chemically treated to add a mild extra layer of corrosion and abrasion resistance
- Sleek black finished look
Black Oxide Stainless Steel Fasteners are commonly used in industries where the durability of Stainless Steel is required, but a smooth black look is desired. These industries include firearms, automotive (car and motorcycle), camping gear, archery, knife builds and product manufacturing.
Frequently Used With
