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The VALUE COLLECTION A410398 is a metric flat socket cap screw designed for applications requiring a low-profile, flush-mount fastener. Conforming to DIN 7991, this screw features a 90-degree flat head driven by a 4.00 mm hex socket. It is manufactured from 316 austenitic stainless steel, Grade A4, offering strong resistance to corrosion in wet, marine, and chemical environments. The M6x1 thread pitch and 10.00 mm overall length make it a straightforward choice for precision assemblies in mechanical, industrial, and trade service work. Each package contains 25 screws.
This fastener is suited for residential and commercial installations where a countersunk, flush-fit fastener is required. Typical applications include HVAC bracket assemblies, electrical panel work, plumbing equipment mounting, and pool equipment frames where corrosion resistance is critical. The fully threaded shank provides consistent thread engagement across the entire length, which is advantageous in thin-material applications. Grade A4 stainless construction is particularly appropriate for outdoor, coastal, and high-moisture environments.
Designed as a standard DIN 7991 metric flat socket cap screw compatible with M6x1 threaded holes in metal, composite, and plastic assemblies across HVAC, plumbing, electrical, and pool equipment applications.
Install using a 4.00 mm hex key or hex socket bit driver. Ensure the mating hole is properly countersunk to the correct angle to achieve full flush seating of the 90-degree flat head. Hand-tighten first to verify thread alignment and prevent cross-threading. When installing stainless steel fasteners into stainless steel components, apply an anti-seize compound to reduce the risk of galling.
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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