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304 Stainless Countersunk Head Machine Screws (KM Series)
Countersunk (flat head) cross recess machine screws — flush fit into tapped, countersunk seats.
MOQ depends on specification — contact us · Quotation based on quantity and specification. Every inquiry is answered by a person.
Specifications
| Series code | KM series |
|---|---|
| Material | 304 Stainless Steel |
| Finish | Plain (Stainless) |
| Head type | Flat Countersunk |
| Drive | Cross recess (Phillips) |
| 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
- Instruments and finished surfaces with countersunk tapped holes
- Assemblies where nothing may protrude
- Repair and maintenance with existing tapped seats
Technical notes
The 90° cone head needs a matching countersink above the tapped hole; the machine thread gives repeatable clamping in the pre-tapped seat.
304 Stainless Countersunk Head Machine Screws (KM Series) — FAQ
Machine thread or self-tapping?
These have a machine thread for pre-tapped holes or nuts. For holes that need their own thread, see the countersunk self-tapping series instead.
Related products
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Small Machine Screws — 304 Stainless
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304 Stainless Wafer Head Machine Screws (TM Series)
Wafer head (large low-profile) cross recess machine screws — wide bearing face over tapped holes.
304 Stainless Button Head Hex Socket Screws
Button head hex socket screws — low rounded head, kinder to materials, smoother look.
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
304 Stainless Countersunk Head Machine Screws (KM Series)
Send your sizes and requirements — quotation based on quantity and specification, with this category's context attached.
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