Hexagon Socket Pipe Plugs — DIN 906

FULLERKREG supplies hexagon socket pipe plugs (Allen key drive sealing plugs) in both metric tapered thread and imperial BSPT thread variants, in stainless steel A2 and A4 marine grades. Used to seal ports, passages, and threaded holes in hydraulic systems, pneumatic equipment, plumbing, and fluid power applications. The internal hexagon (Allen key) drive allows installation in recessed or confined spaces where a standard hex head plug cannot fit. Select your thread type and material below:

DIN 906 — Hexagon Socket Pipe Plugs

Metric Tapered Thread (DIN 906 — Metric)

Tapered metric thread — self-sealing taper provides pressure-tight seal without additional sealant in many applications.

Imperial BSPT Thread (DIN 906 — BSPT)

British Standard Pipe Taper (BSPT / R thread) — widely used in hydraulic and pneumatic systems in UK, Asia, and Commonwealth markets.

Product Gallery

Thread Type Selection Guide

⚠️ Note: DIN 908 (straight thread with O-ring face seal) sub-series are available on request. Contact FULLERKREG for specifications and pricing.

Can’t find the thread type or size you need? Contact FULLERKREG — additional thread forms, sizes, and materials available on request.