
The Diablo 28 x 400mm SpeeDemon Spade Bit drills fast, clean 28mm holes in wood and is built to handle nail-embedded timber. At 400mm long it reaches deep into studs and joists, making it useful for running cable, pipe and conduit through framing.
An ultra-sharp cutting edge and durable tip help the bit cut quickly and last longer than standard spade bits. The extended length gives plenty of reach for deep boring, so this SpeeDemon spade bit suits electrical, plumbing and general carpentry work. Pair it with other Diablo SpeeDemon spade bit sizes for a fuller range.
The Diablo 28 x 400mm SpeeDemon Spade Bit is designed for efficient drilling in nail-embedded wood, offering enhanced durability and longevity compared to standard spade bits.
It is engineered for high-performance drilling in wood, particularly in applications involving nail-embedded timber. Its ultra-sharp DEMO-Edge cutting edge provides durability and longevity, while the Dura-Tip technology allows the bit to withstand demanding use. The 400mm length gives extra reach for deep boring through framing.
It drills a 28mm diameter hole.
It has a 400mm overall length for deep reach through timber.
Yes, it is designed for drilling wood, including nail-embedded timber.
The extra length suits boring deep holes through studs and joists for cable, pipe and conduit.
Yes, Diablo offers SpeeDemon spade bits in a range of sizes and as multi-piece sets.










