Product Description
M4 Zinc Plated Grade 10.9 Countersunk Socket Screws – DIN 7991
M4 countersunk socket screws in grade 10.9 high tensile steel with a zinc plated finish. The countersunk head sits flush in a correctly prepared countersink, while the internal hex socket allows tightening with a 2.5mm Allen key.
Suitable for machinery, equipment assembly and general engineering applications requiring a flush fitting. Select your required length and pack size from the available options.
Technical Specifications
| Thread Size | M4 |
|---|---|
| Thread Pitch | 0.7mm – metric coarse |
| Material | High tensile steel |
| Grade | 10.9 |
| Finish | Zinc plated |
| Standard | DIN 7991 |
| Head Style | 90° countersunk |
| Drive | 2.5mm hex socket / Allen key |
| Head Diameter | 8mm maximum |
| Head Height | 2.3mm maximum |
Measuring Your Screw
Countersunk screw length is measured overall, including the head. Check the required thread size, pitch and overall length before ordering.
Please note: Countersunk head geometry reduces load capacity compared with full-loadability screws of the same material grade. Dimensions are provided as a guide; please contact us if they are critical to your application.
Browse Related Categories
| A | B | C | D | E | F |
| 4mm | 12mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 16mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 25mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 30mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 50mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 6mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 10mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 20mm | 8mm | 2.3mm | 2.5mm | 0.7 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.
