Sutton D501 18mm Spade Bit

The Sutton D501 is an 18mm spade bit built for fast, clean holes in timber and light building materials. Sutton states the range drills up to 5 times faster than standard spade bits, with a power chip breaker and a heavy duty shank that clear the waste quickly and keep the bit running true. The 18mm size is a common cable run diameter, big enough for a solid chase through framing without being heavy to drive.

Key Features

• Up to 5 times faster than standard spade bits
• Power chip breaker clears waste for clean cutting
• Heavy duty shank for a firm grip in the chuck
• Increases efficiency and battery life of your power tool
• Clean cutting with minimal break out on exit
• Designed for timber and light building materials

Specifications

• Diameter: 18mm
• Model: D501
• Brand: Sutton Tools
• Shank: heavy duty
• Application: timber and light building materials
• Cutting design: power chip breaker

Applications

• Running cable and conduit through timber
• Drilling holes in studs and framing
• General carpentry and joinery holes
• Light building material work

What You Need To Complete The Job

An 18mm bit runs well in a standard drill. For deeper holes, add a D502 spade bit extension, and for a full range the D501 3 piece set is the match. For masonry, use an SDS masonry drill instead. More cutting gear is under Carpentry Tools.

Frequently Asked Questions

What is an 18mm spade bit used for?

An 18mm spade bit is used for running cable, conduit and small pipe through timber framing, and for general carpentry holes. It is a common size for electrical chases, big enough for a solid run but lighter to drive than a 20mm or 25mm bit.

Can I use this bit on treated pine?

Yes. The D501 cuts treated pine and other framing timber cleanly. Treated timber can dull the edge over a long run, so keep the bit sharp and clear the waste regularly for the best cut.

How do I drill a clean hole through a wall plate?

Keep the drill square to the plate and feed steadily, letting the point find its own line. For a long run through a series of studs, an extension shank keeps the drill in one spot, and marking the studs in a line keeps the holes aligned.

Does the heavy duty shank fit standard chucks?

Yes. The heavy duty shank is a standard round shank that fits a normal drill chuck, and it is sized so the D502 extension shanks connect to it for deeper work.

What is the best way to clear the hole on deep cuts?

On deep holes, back the bit out part way now and again so the waste clears the flutes, then continue the feed. The power chip breaker clears most of the waste as you cut, but on very deep timber a quick withdrawal keeps the hole clean and stops the bit binding.