The Diablo DSP2090 3/4 Inch x 6 Inch SPEEDemon Spade Bit is a wood-drilling accessory built for fast, clean hole making in softwoods, hardwoods, and plywood. This is a spade bit designed for fast wood drilling. Model Number: DSP2090. If you need a 3/4 inch hole for rough-in work, pass-throughs, or general drilling in wood, this bit is set up to get in quickly without making you lean on the drill.

The big selling point here is Diablo's SPEED-TIP self-feed design. In practical terms, that threaded tip helps the bit pull itself into the material faster than a traditional spade bit, so hole starts are easier and more consistent. That matters when you are drilling overhead, reaching into a stud bay, or knocking out a bunch of holes in a row where wasted effort adds up fast.

Diablo also uses an optimized curved paddle design to move chips out of the cut more efficiently. Better chip evacuation keeps the bit cutting instead of packing up, which helps maintain speed through the hole. For cordless users, that matters because a bit that clears chips well puts less strain on the tool and can help you get more work done on a charge.

On hole quality, the angled spur cutting edge is there for a reason. It scores the wood before the main body of the bit clears material, which helps reduce blowout and leaves a cleaner edge than a basic flat paddle profile. For electricians, plumbers, carpenters, and remodelers, cleaner holes can mean less cleanup and a neater finished rough-in.

The shank design is another jobsite-friendly detail. This bit uses a hex shank with a 10 mm shank diameter and is rated for use in corded or cordless impact drivers and drill drivers. Diablo's Impact Strong design is aimed at improving shank stability and durability, which is important if you are using a high-torque impact driver instead of a standard drill.

In terms of size, you are getting a 3/4 inch bit diameter with a 6 inch overall length and a 6 inch drilling depth. That makes it a straightforward choice for common wood boring tasks where you need decent reach without stepping up to an extension. The high speed steel construction adds durability for repeated use in wood applications.

This Diablo spade bit makes the most sense for tradespeople and serious DIY users who want a faster wood boring option than a basic spade bit, but do not need to jump to a larger self-feed system. It is especially useful for framing, rough carpentry, remodeling, electrical rough-in, and plumbing work where clean 3/4 inch holes in wood are part of the daily list.

Diablo DSP2090 3/4 Inch x 6 Inch SPEEDemon Spade Bit Gets Straight to Work

This is a smart buy for anyone who wants a wood-drilling bit that starts fast, clears well, and holds up better in impact-capable tools than a bargain-bin paddle bit.

• Who it's for: Carpenters, electricians, plumbers, remodelers, and DIY users drilling repeated 3/4 inch holes in wood.
• Why it stands out: The SPEED-TIP helps it pull into the cut fast, the curved paddle helps move chips, and the hex shank is built for impact and drill driver use.
• Worth knowing: This is a single 3/4 inch spade bit, so it is the right pick when you know the size you need, not when you want a multi-bit set.

• What type of tool can use this bit? It is designed for use in corded or cordless impact drivers and drill drivers.
• What materials is it made to drill? It is made for wood applications including softwoods, hardwoods, plywood, and clean wood.
• What size hole does it drill? This spade bit has a 3/4 inch bit diameter.
• What shank style does it use? It uses a hex shank with a listed shank diameter of 10 mm.