Product photography of the hex socket screws family. Item shown is a catalog representative; exact specification is confirmed with your quotation.
Button Head Hex Socket Screws — Black Oxide
Button head hex socket screws — low rounded head, kinder to materials, smoother look.
MOQ depends on specification — contact us · Quotation based on quantity and specification. Every inquiry is answered by a person.
Specifications
| Material | Carbon Steel |
|---|---|
| Finish | Black Oxide |
| Head type | Button |
| Drive | Hex socket |
| Thread | Machine thread |
| Size range | Available sizes on request — depends on specification |
| Packaging | standard export packing — details with quotation |
| MOQ | MOQ depends on specification — contact us |
| Lead time | Depends on stock status and sourcing route — confirmed with your quotation |
Applications
- Consumer products and visible assemblies
- Bike, robotics and 3D printer builds
- Joints where a socket cap would look too aggressive
Technical notes
Button head accepts slightly less torque than socket cap but spreads load over a wider, rounded bearing face.
Button Head Hex Socket Screws — Black Oxide — FAQ
Button head or socket cap?
Socket cap for maximum clamp torque; button head for a low, smooth profile and wider bearing. Both take the same hex key sizes.
Related products

Button Head Hex Socket Screws — Nickel Plated
Button head hex socket screws — low rounded head, kinder to materials, smoother look.

Countersunk Hex Socket Screws — Black Oxide
Countersunk (flat head) hex socket screws — flush seating with high-torque hex drive.

Countersunk Hex Socket Screws — Nickel Plated
Countersunk (flat head) hex socket screws — flush seating with high-torque hex drive.

Knurled Socket Head Cap Screws — Black Oxide
Knurled socket head cap screws — cylindrical head with a knurled rim for grip and appearance.
Related guides
Metric Screw Sizes & Thread Pitches (M2–M12 Quick Reference)
A plain table of the ISO metric coarse and fine pitches you will actually meet in small fasteners — plus tapping drill sizes, how to read an M-size callout, and the traps that cause wrong-thread orders.
Read →Self-Tapping vs Machine Screws: What's the Difference?
The thread decides everything — how each screw type grips, where each belongs, and why getting this one detail right saves the most rework.
Read →304 Stainless vs Carbon Steel Screws: Which Should You Buy?
Corrosion resistance, strength, appearance and price — a practical way to choose between stainless and plated carbon steel screws for your application.
Read →Understanding Screw Head Types — Pan, Flat, Socket Cap & More
Head geometry decides how a screw sits, spreads load and looks after assembly — a field guide to the head types in our catalog and when to use each.
Read →Request a quote
Button Head Hex Socket Screws — Black Oxide
Send your sizes and requirements — quotation based on quantity and specification, with this category's context attached.
ScrewSource — ScrewSource is a China fastener sourcing & supply partner — a focused catalog of 30+ screw SKUs, backed by a physical fastener business and a network of domestic screw suppliers.
