Socket Countersunk Self-Tapping Screw KCA M3x6 1022A Carbon Steel — stocked and shipped worldwide by SFX Fasteners. Available for single-piece retail orders — no minimum order — dispatched from our own warehouse within 24–48 hours.
Specifications
| Material | 1022A Carbon Steel |
| Grade | Case Hardened 450 HV0.3 |
| Diameter | M3 |
| Length | 6 mm |
| Surface Finish | Black Oxide |
| Brand | SFX Fasteners |
Ordering & shipping
| Minimum order | No minimum — single pieces welcome |
| Pricing | Order totals are confirmed at checkout, before payment |
| Custom & dropship | Small batches to drawing · blind dropshipping on request |
| Dispatch | 24–48 hours for stock items |
| Shipping | Worldwide, calculated at checkout by weight and destination |
Need a specific size, grade or standard? Send us a quote request — we quote to drawing and to DIN / ANSI / GB / JIS standards.
About this screw
This is a screw in 1022A Carbon Steel, at strength class Case Hardened 450 HV0.3, supplied black oxide, with an M3 thread and a 6 mm length. Every dimension is stated against the standard named above; where a tolerance class matters to your design, ask us and we will confirm it in writing before you order.
A screw threads directly into the parent material or into a nut, so the thread form, the point and the drive decide what it can be used for. Commonly used on machinery, tooling, appliances, electrical enclosures, furniture and automotive assemblies where the head has to sit low or be driven from one side only.
M3 is a metric thread with an 3 mm nominal diameter and a coarse pitch of 0.5 mm (ISO 261). A standard hex head takes a 5.5 mm spanner across the flats.
Case Hardened 450 HV0.3 is a strength or hardness class as marked in our catalogue. Ask us for the mechanical property sheet if you need it written into a specification.
There is no minimum order and no free-shipping threshold: buy one piece or a full container. Your order total is confirmed in the cart, before payment.


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