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The VALUE COLLECTION A410400 is a metric flat socket cap screw designed for applications requiring a flush or countersunk fastener profile. Built to DIN 7991 standards, this screw features a 90-degree flat head driven by a 4 millimeter hex socket. The M6x1 thread is fully threaded along the 16 millimeter overall length. Constructed from 316 austenitic stainless steel (Grade A4), it provides strong resistance to corrosion and is well suited for wet, marine, or chemically exposed environments. Sold in a package quantity of 25, it is commonly installed by maintenance technicians, plumbers, electricians, and mechanical contractors in both light commercial and residential applications.
This fastener is used wherever a low-profile countersunk head is required and corrosion resistance is critical. Typical applications include panel mounting, equipment enclosures, pump assemblies, marine hardware, and plumbing fixtures. The metric M6x1 thread size and DIN 7991 form factor make it a standard choice for equipment manufactured to metric specifications. The fully threaded shank provides consistent clamping force throughout the engaged length.
Designed as a DIN 7991 standard M6x1 metric flat socket cap screw suitable for use in any application requiring a countersunk hex socket fastener in that thread size and length.
Installation is performed with a 4 millimeter hex key or socket bit driver. Ensure the mating material has a properly sized and angled countersink to accept the 90-degree flat head. De-energize or depressurize any system before fastener removal or installation. Avoid mixing stainless steel fasteners with dissimilar metals in highly corrosive environments to prevent galvanic corrosion.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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