The Diablo FB-107 7-Piece Diablo Forstner Bit Set is a wood-drilling accessory set for clean, controlled boring in a wide range of wood materials. This is a Forstner bit set designed for drilling flat-bottom holes, pocket holes, and overlapping holes in wood. Model Number FB-107. If you need smooth-bottom recesses for hardware, joinery, or clean finish work, this set is built for that job.

What separates a Forstner bit from a standard drill bit is the cut it leaves behind. These bits are made to drill straight, angled, and overlapping holes while keeping the bottom of the hole flat and the entry clean. Diablo calls out steep angled cutting edges for smooth holes and fast chip removal, which is exactly what you want when boring into hardwood, softwood, plywood, laminate, MDF, particle board, chipboard, or pressure-treated stock.

The cutting geometry is aimed at accuracy as much as speed. An ultra-sharp spur helps the bit start where you place it instead of skating across the surface. That is a big deal when you are drilling exposed cabinet parts, shelf-pin locations, concealed hardware recesses, or any other layout-sensitive work where wandering ruins the piece fast.

On durability, the set uses a hardened high speed steel body for longer life and a sharper cutting edge. Diablo also notes forged construction and a double-ground serrated edge, which helps reduce splintering and chipping while keeping the bit productive over repeated use. For anyone drilling multiple holes in hardwood or veneered sheet goods, cleaner edges and longer edge life are not small details. They save time on cleanup and reduce rework.

This set includes Diablo's seven smallest Forstner bit sizes, covering diameters from 1/4 inch to 1 inch. That gives you a useful spread for common woodworking and installation work without loading up on sizes you may rarely reach for. The set also comes in a wooden box, so the bits stay organized instead of getting beat up in the bottom of a toolbox.

Jobsite use is straightforward. The FB-107 is intended for use with a drill press or a hand-held drill, and it requires a minimum chuck size of 3/8 inch. That gives you flexibility. Use a drill press when you want maximum control and repeatability, or use a hand-held drill when you are fitting hardware, boring overlapping holes, or working on installed material where a stationary machine is not an option.

If you are a cabinet installer, finish carpenter, furniture builder, remodeler, or serious DIY woodworker, this is the kind of set that earns a permanent spot in the shop. It is not trying to be an all-purpose metal or masonry set. It is a dedicated wood-boring set for users who care about clean hole quality, accurate starts, and a practical range of sizes for real woodworking and drilling tasks.

Diablo FB-107 7-Piece Diablo Forstner Bit Set for clean woodworking holes

This is a smart buy if you want a practical spread of smaller Forstner sizes that cut clean, start accurately, and stay organized in the shop.

• Who it's for: Woodworkers, cabinet guys, finish carpenters, and remodelers drilling flat-bottom holes or hardware recesses in wood.
• Why it stands out: The sharp spur, hardened high speed steel construction, and useful 1/4 in. to 1 in. range make it more than a filler set.
• Worth knowing: This is a wood-focused bit set, and it needs at least a 3/8 in. chuck. If you want the cleanest results, a drill press still gives you the best control.

• What kind of holes is this set made for? It is designed for flat-bottom holes, pocket holes, straight holes, angled holes, and overlapping holes in wood.
• Can these bits be used in a hand-held drill? Yes. Diablo states they are intended for use with a drill press or a hand-held drill.
• What chuck size do I need? The manufacturer lists a minimum chuck size of 3/8 inch.
• What materials can it drill? The set is made for wood applications, including hardwood, softwood, plywood, MDF, laminate, chipboard, particle board, and pressure-treated wood.