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Osculati A2 AISI 304 Stainless Steel Phillips Pan Head Machine Screws DIN 7985 / UNI 7687
Osculati DIN 7985 / UNI 7687 machine screws are manufactured from A2 (AISI 304) stainless steel and feature a wide, rounded head with a cross-recessed drive. They are designed for fastening compatible mechanical components, mounting brackets and equipment fittings using metric threaded connections.
The pan head has a slightly rounded upper profile and a flat underside that bears against the mounting surface. Unlike countersunk screws, these fasteners do not require a countersunk recess. The head remains above the mounting surface after installation.
The cross-recessed drive allows tightening and removal using a matching Phillips screwdriver or driver bit. The metric thread is intended to engage with a compatible nut or internally threaded hole, providing a removable fastening connection.
These machine screws differ from DIN 7981 self-tapping screws, which have pointed tips and threads designed to form a mating thread in suitable materials. DIN 7985 screws are intended for compatible metric threaded assemblies.
A2 (AISI 304) stainless steel offers corrosion resistance for general indoor, outdoor and suitable marine applications. For installations involving prolonged saltwater contact or high chloride concentrations, the suitability of this material should be assessed.
The range includes 26 dimensional configurations across four nominal thread sizes: M4, M5, M6 and M8. Available lengths range from 20 to 80 mm, depending on the selected thread size. Each variant has its own Osculati part number and is supplied in a cardboard box containing a specified number of screws.
Technical Specifications
Brand Osculati Product Type Phillips Pan Head Machine Screw Standards DIN 7985 / UNI 7687 Material A2 / AISI 304 Stainless Steel Head Type Wide Rounded Pan Head Drive Type Cross-Recessed / Phillips Thread Type Metric Machine Thread Available Thread Sizes M4, M5, M6, M8 Available Length Range 20–80 mm Box Quantities 10, 25, 50, 100 pcs Packaging Cardboard Box Number of Variants 26 Dimensions Format Nominal Thread Diameter × Screw Length
Features and Applications
- A2 (AISI 304) stainless steel construction.
- DIN 7985 / UNI 7687 machine screw design.
- Wide rounded pan head with a flat bearing underside.
- Non-countersunk head remains above the mounting surface.
- Cross-recessed drive for a matching Phillips screwdriver or driver bit.
- Metric thread for compatible nuts or tapped holes.
- Suitable for appropriate equipment fittings, mounting brackets, panels and mechanical assemblies.
- Available in four thread sizes and 26 dimensional configurations.
- Supplied in cardboard boxes containing 10 to 100 screws.
Available Sizes and Part Numbers
Thread Size Length Box Quantity Osculati Part No. M4 20 mm 100 pcs A2-7985-04X020 M4 25 mm 100 pcs A2-7985-04X025 M4 30 mm 100 pcs A2-7985-04X030 M4 35 mm 50 pcs A2-7985-04X035 M4 40 mm 50 pcs A2-7985-04X040 M5 20 mm 50 pcs A2-7985-05X020 M5 25 mm 50 pcs A2-7985-05X025 M5 30 mm 50 pcs A2-7985-05X030 M5 35 mm 50 pcs A2-7985-05X035 M5 40 mm 50 pcs A2-7985-05X040 M5 45 mm 25 pcs A2-7985-05X045 M5 50 mm 25 pcs A2-7985-05X050 M6 20 mm 50 pcs A2-7985-06X020 M6 25 mm 50 pcs A2-7985-06X025 M6 30 mm 50 pcs A2-7985-06X030 M6 35 mm 50 pcs A2-7985-06X035 M6 40 mm 25 pcs A2-7985-06X040 M6 45 mm 25 pcs A2-7985-06X045 M6 50 mm 25 pcs A2-7985-06X050 M6 60 mm 25 pcs A2-7985-06X060 M8 40 mm 25 pcs A2-7985-08X040 M8 45 mm 25 pcs A2-7985-08X045 M8 50 mm 25 pcs A2-7985-08X050 M8 60 mm 10 pcs A2-7985-08X060 M8 70 mm 10 pcs A2-7985-08X070 M8 80 mm 10 pcs A2-7985-08X080
Size Selection
Select the required nominal thread size and screw length according to the components being fastened. Ensure compatibility with the corresponding nut or tapped hole and allow sufficient thread engagement.
Available lengths vary by thread size. Each dimensional configuration has a fixed box quantity as shown above.
The exact thread pitch, drive recess size, head dimensions and strength class are not specified in the supplied catalogue information.
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