1/4"-20 Black Oxide Stainless Steel Socket Cap Screws
Screw Diameter - Thread Pitch: 1/4"-20
1/4"-20 Black Oxide Knurled Head Socket cap screws are machine screws with an Allen drive style.
- Externally grooved cap head
- Can be driven manually, or with a Hex Allen Bit or Key
- Cylindrical head and hexagonal drive style
- Sleek black finished look
- Type of threaded fastener whose head diameter is nominally 1.5 times or more that of the screw shank (major) diameter
Sizes Listed As:
Diameter - Thread Pitch x Length from Underside of Head
FT = Full Thread
PT = Partial Thread
Product Specifications
Additional Sizing Info
Lengths over 1" will have a Shoulder / Partial Thread
Body Diameter
1/4" (Max 0.2500 - Min 0.2435)
Chamfer on Radius
Max 0.008
Color
Black
Corrosion Resistant
Yes
Drive Style
Internal Hex
Finish
Black Oxide
Head Diameter
Max 0.375 - Min 0.365
Head Style
Socket Cap
Hex Drive
3/16"
Knurled
Yes
Material
Black Oxide 18-8 Stainless Steel
Overall Head Height
Max 0.250 - Min 0.244
Product Type
Socket Cap Screw
Thread Direction
Right Hand
Thread Pitch (Count)
20 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Select Package Quantity
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