24 Jul 1760PCS Metric Screw Assortment Kit,M2 M3 M4 M5 Screws Set, Hex Socket Head Cap
And the average error is less than 0.01mm....
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23 Jul M2 M3 M4 304 stainless steel Hex Hexagon Socket Cap Head Self-tapping Wood Screw
Fastener Type: Hex Hexagon Socket Cap Head Self-tapping Wood Screw. Material: 304 Stainless Steel. Head Style: Socket Cap. Ideal for use where you need to flatten your head or in tight spaces where you need to place it under the surface....