Product Description
The Diablo Forstner Bit Set for Wood (4-pc) delivers precision flat-bottom drilling across a wide range of wood materials. This Diablo high-speed steel set drills straight, angled, and overlapping flat-bottom holes in hardwoods, softwoods, veneered plywood, and MDF - giving woodworkers and contractors a versatile solution for pocket holes, shelf pin holes, hinge recesses, and other demanding boring tasks. With a forged, hardened steel body and a double-ground serrated cutting edge, these bits are engineered for clean results and long-lasting performance through repeated use.
Key Features
- Hardened steel forged body - provides a longer cutting life and maintains a sharper edge through extended use in hardwoods and softwoods alike
- Double-ground serrated cutting edge - reduces splintering and chipping for cleaner, smoother holes in veneered plywood and MDF
- Steep, angled cutting edges - produce smooth, flat holes and create chisel-like curls for fast, clean chip removal, keeping your work area clear and your cut precise
- Ultra-sharp spur - guarantees an accurate starting point without walking on the material, so your hole placement stays exactly where you mark it
- Drills straight, angled, and overlapping flat-bottom holes - expands your range of joinery and woodworking techniques with a single set of bits
- Compatible with drill presses and hand held drills - gives you flexibility to use the set in a shop or on-site setting
- Requires a minimum chuck size of 3/8" - fits most standard drill presses and hand held drills already in use
- Set includes 1/4", 1/2", 3/4", and 1" bits - covers the most commonly needed diameters for woodworking projects in one convenient kit
Why This Product
- Four of the most-used Forstner bit diameters (1/4", 1/2", 3/4", and 1") are included in a single set, reducing the need to purchase individual bits for common flat-bottom drilling tasks in hardwoods, softwoods, and engineered wood panels.
- The forged, hardened steel construction is built to outlast standard bits when boring repeatedly through dense hardwoods or layered materials like veneered plywood - making this set a durable choice for high-frequency shop use.
- The double-ground serrated edge minimizes tearout and chipping, which is especially valuable when working with veneered plywood or MDF where surface quality matters most.
- With a 3-1/2" bit length and shank sizes ranging from 1/4" to 3/8", these bits work in both drill press and hand held drill setups, making them adaptable to a variety of woodworking environments and project types.
Specifications
- Brand: Diablo
- Model Number: FB-104
- Set Piece Count: 4
- Diameter: 1/4" to 1"
- Length: 3-1/2"
- Shank: 1/4" to 3/8"
- Compatible Tools: Drill Press; Hand Held Drill
- Compatible Materials: Hardwoods; Softwoods; Veneered Plywood; MDF
- Country of Origin: Austria
Approved Applications
- Drilling flat-bottom holes, pocket holes, or overlapping holes in wood
- Drilling plywood, hardwoods, and softwoods
- Compatible with veneered plywood and MDF for precision boring applications
What's Included
- 1x Diablo FB-001 Forstner Bit (1/4")
- 1x Diablo FB-003 Forstner Bit (1/2")
- 1x Diablo FB-005 Forstner Bit (3/4")
- 1x Diablo FB-007 Forstner Bit (1")
Frequently Asked Questions
What sizes are included in the Diablo FB-104 Forstner Bit Set?
The FB-104 set includes four bits: 1/4", 1/2", 3/4", and 1". These correspond to individual Diablo bits FB-001, FB-003, FB-005, and FB-007, all at a length of 3-1/2".
What types of wood can these Forstner bits drill through?
These bits are designed to drill through hardwoods, softwoods, veneered plywood, and MDF. The double-ground serrated cutting edge helps minimize splintering and chipping across all of these material types.
What is the minimum chuck size required to use these bits?
These Forstner bits require a minimum chuck size of 3/8". The shank sizes in this set range from 1/4" to 3/8" depending on the bit diameter.
Can these Forstner bits be used with a hand held drill, or only a drill press?
These bits are approved for use with both drill presses and hand held drills, giving you flexibility for shop-based and on-site woodworking applications.
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