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The VALUE COLLECTION HC3XX20150-001BX is a fully threaded hex head cap screw machined to metric dimensions and manufactured from Grade 316 austenitic stainless steel (Grade A4). The fastener measures M20 x 2.50 thread pitch with a 150 mm length under head and a 30 mm hex drive. Grade 316 stainless provides strong resistance to corrosion, chlorides, and oxidizing environments, making it a dependable choice where carbon steel or lower-grade stainless would be inadequate. This screw conforms to DIN 933, EN 24017, and ISO 4017 standards. Licensed tradespeople and maintenance professionals working in harsh or wet environments rely on this type of fastener for structural and mechanical assemblies.
This fastener is suited for industrial, marine, chemical processing, and commercial construction applications where metric hardware and corrosion resistance are required. The fully threaded shank allows engagement along the entire bolt length, which is useful in through-bolt and close-tolerance clamping scenarios. It is commonly installed by millwrights, pipefitters, marine technicians, and industrial maintenance crews. The metric thread profile and conformance to international standards make it compatible with metric-spec equipment across a wide range of industries.
Designed as a standard metric hex head cap screw for use in any application requiring an M20 x 2.50 fully threaded fastener conforming to DIN 933, EN 24017, or ISO 4017 standards.
Install with a metric hex wrench or socket sized to 30 mm. Ensure mating threads are clean and free of debris before fastening. When working in pressurized or structural assemblies, follow applicable mechanical codes and engineering specifications for torque requirements. Stainless steel fasteners are susceptible to galling under high-speed installation; use appropriate anti-seize compound and install by hand before applying torque.
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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