# M3 hexagon head screw set, 300 pieces, flat head

> Set of 300 M3 hexagon socket (Allen) head screws, flat head, for assemblies in electronics, precision mechanics and DIY projects. Includes 180 screws in lengths from M3x5 to M3x20 (20 pieces per size, length measured on the thread) plus 120 M3 nuts. Reference 9278.

- Page: https://sigmanortec.ro/en/m3-hexagon-head-screw-set-300-pieces-flat-head
- Price: 81.58 RON
- Availability: In stock; 1-2 zile
- Reference: 9278 · EAN: 5949894795973
- Category: Mechanical components > Screws and Standoffs
- Package (shipping data): 0.195 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:33 (Europe/Bucharest)

## Description

Set of 300 M3 screws with internal hexagon head for precise assemblies in electronics, fine mechanics and DIY projects, includes 180 flat head screws in lengths M3x5 to M3x20 with the length measured on the thread, plus 120 M3 nuts, the Allen head offers secure tightening and easy access in tight spaces, organized for quick selection and efficient assembly.
Set of 300 assorted screws with hexagonal socket, Allen Head.
The set contains M3 screws and the measured length is the length of the thread.
Flat Head Sizes:
M3x5mm - 20
M3x6mm - 20
M3x8mm - 20
M3x10mm - 20
M3x12mm - 20
M3x14mm - 20
M3x16mm - 20
M3x18mm - 20
M3x20mm - 20
Nuts M3: 120
