Set Screw with Cup Point Din916

DIN916 cup point set screw, also known as grub screw, is a widely used locking fastener following DIN916 standard. It adopts full-thread design without external head, equipped with internal hex drive for assembly tools.

Materials & Surface Treatment

Main materials include high tensile carbon steel Grade 4.8, 8.8, 12.9 and anti-corrosion 304, 316 stainless steel. Carbon steel options support black oxide and zinc plating for rust prevention; stainless steel versions apply passivation to boost oxidation resistance. Complete metric sizes M1.6 to M24, custom lengths are acceptable.

Product Features

The concave cup tip creates deep indentation on matching parts to prevent sliding and loosening during operation. Inner hex structure allows installation in narrow confined spaces. Threads are precisely manufactured to standard tolerance for tight fit.

Core Selling Points

Powerful anti-slip positioning effect; compact hidden structure without protruding parts; diversified materials fit different working environments; stable mass production, low MOQ, OEM customization and factory direct competitive pricing.

Applications

Commonly used for mold positioning, shaft locking, mechanical equipment, instrument fixtures, automotive parts, electrical fittings and precision machinery assembly for fixed positioning.