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1/4-20 X 3/8" Socket Cap Screws | Flat Head Hex Socket Drive | Alloy Steel Thermal Black Oxide (100 / Pkg.)
4.2 (41 items)
Limited Time SaleUntil the end
03
17
02
US$5.11 cheaper than the new price!!
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Used US$3.41
Product details
| Management number | 242042597 | Release Date | 2026/07/19 | List Price | US$3.41 | Model Number | 242042597 | ||
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Cap Screws Flat Socket Alloy Thermal Black Oxide 1/4-20 x 3/8 is a high-strength fastening solution designed for precision assemblies in mechanical, automotive, and industrial environments. The combination of alloy steel and a thermal black oxide finish delivers reliable performance with a discreet, low-profile appearance.
Key features
- Material: Alloy steel for strength and durability
- Finish: Thermal black oxide for a non-reflective, protective coating and improved wear
- Size: 1/4-20 thread (UNC)
- Length: 3/8 inch
- Head/Drive: Flat socket cap screw with hex socket drive for consistent torque transfer
Why choose these fasteners
- High-strength fastening: Cap screws are designed to withstand demanding loads in assemblies
- Low profile: Flat socket head sits flush in recessed or tight spaces
- Easy to install: Compatible with standard hex keys (Allen wrenches) for quick, secure tightening
- Appearance and protection: Subdued black oxide improves aesthetics and guards against minor wear
Applications
Ideal for equipment housings, machinery, consumer electronics enclosures, automotive assemblies, and DIY projects where a reliable, compact fastener is required.
Specifications
- Thread size: 1/4-20 UNC
- Length: 3/8 in (9.5 mm)
- Material: Alloy steel
- Finish: Thermal black oxide
- Drive type: Hex socket
- Head type: Flat socket cap screw
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