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FULLERKREG Phillips countersunk head machine screws are manufactured to the triple-standard specification of GB819-2016, DIN 965H, and EN ISO 7046-2. The 90° countersunk head with cross (Phillips) recess provides a flush-mount installation ideal for sheet metal, electronics enclosures, furniture hardware, and precision assemblies. All screws in this series are produced in A2 stainless steel (SUS304) with a passivated and whitened surface finish for excellent corrosion resistance and clean aesthetics.
| Attribute | Detail |
|---|---|
| Product Name | Phillips Countersunk Head Machine Screw |
| Standards | GB819-2016 / DIN 965H / EN ISO 7046-2 |
| Drive Type | Phillips (Cross Recess, Type H) |
| Head Type | Countersunk (Flat Head), 90° included angle |
| Material | A2 Stainless Steel (SUS304 / 1.4301) |
| Surface Finish | Passivated & Whitened (Bright) |
| Thread Type | Metric Coarse Thread (ISO 68-1) |
| Size Range | M1.6 – M10 |
| Length Range | 3 mm – 80 mm (size-dependent) |
| Property Class | A2-70 |
| Brand | FULLERKREG |
The countersunk head features a flat top surface, 90° cone angle, and a Phillips recess conforming to ISO 4757. The theoretical sharp head diameter (dk) and head height (k) are critical for countersink preparation.
| Thread Size |
Pitch (mm) |
dk max (mm) |
dk min (mm) |
k max (mm) |
k min (mm) |
a max (mm) |
b min (mm) |
Phillips Recess No. |
Approx. Unit Weight (g/100pcs)* |
|---|---|---|---|---|---|---|---|---|---|
| M1.6 | 0.35 | 3.0 | 2.7 | 0.96 | 0.74 | 0.7 | — | No.0 | ~18 |
| M2 | 0.40 | 3.8 | 3.5 | 1.20 | 0.94 | 0.8 | — | No.1 | ~30 |
| M2.5 | 0.45 | 4.7 | 4.4 | 1.50 | 1.20 | 0.9 | — | No.1 | ~55 |
| M3 | 0.50 | 5.6 | 5.3 | 1.65 | 1.35 | 1.0 | 12 | No.1 | ~85 |
| M3.5 | 0.60 | 6.5 | 6.2 | 1.93 | 1.57 | 1.1 | 14 | No.2 | ~130 |
| M4 | 0.70 | 7.5 | 7.2 | 2.20 | 1.80 | 1.2 | 14 | No.2 | ~185 |
| M5 | 0.80 | 9.2 | 8.9 | 2.50 | 2.10 | 1.5 | 16 | No.2 | ~340 |
| M6 | 1.00 | 11.0 | 10.7 | 3.00 | 2.60 | 1.8 | 18 | No.3 | ~590 |
| M8 | 1.25 | 14.5 | 14.2 | 4.00 | 3.50 | 2.0 | 22 | No.3 | ~1,350 |
| M10 | 1.50 | 18.0 | 17.7 | 5.00 | 4.40 | 2.3 | 26 | No.4 | ~2,800 |
* Unit weights are approximate reference values for A2 stainless steel at nominal length. Actual weight varies by length. dk = theoretical sharp head diameter; k = head height; a = thread run-out; b = thread length (full thread for lengths ≤ 38mm).
| Thread Size | Available Lengths (mm) | Fully Threaded Up To (mm) |
|---|---|---|
| M1.6 | 3, 4, 5, 6, 8, 10, 12, 16 | Fully threaded throughout |
| M2 | 3, 4, 5, 6, 8, 10, 12, 16, 20 | Fully threaded throughout |
| M2.5 | 4, 5, 6, 8, 10, 12, 16, 20, 25 | Fully threaded throughout |
| M3 | 5, 6, 8, 10, 12, 16, 20, 25, 30, 35, 40 | ≤ 30 mm |
| M3.5 | 6, 8, 10, 12, 16, 20, 25, 30, 35 | ≤ 30 mm |
| M4 | 6, 8, 10, 12, 16, 20, 25, 30, 35, 40, 45, 50 | ≤ 38 mm |
| M5 | 8, 10, 12, 16, 20, 25, 30, 35, 40, 45, 50, 55, 60 | ≤ 38 mm |
| M6 | 10, 12, 16, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70 | ≤ 38 mm |
| M8 | 12, 16, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 80 | ≤ 38 mm |
| M10 | 16, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 80 | ≤ 38 mm |
| Application Scenario | Recommended Size | Reason |
|---|---|---|
| PCB & electronics assembly | M1.6 – M2.5 | Small head, minimal footprint, flush mount |
| Sheet metal panels & enclosures | M3 – M5 | Flush surface, vibration-resistant, clean finish |
| Furniture & decorative hardware | M4 – M6 | Aesthetic flush head, A2 corrosion resistance |
| Marine & outdoor equipment | M5 – M8 | A2 stainless resists salt spray and humidity |
| Structural & mechanical assemblies | M6 – M10 | Higher load capacity, A2-70 property class |
These screws are manufactured in full compliance with the following international and national standards:
Thread tolerance: 6g per ISO 965-1. Head angle: 90°. Recess type: H (Phillips) per ISO 4757.
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