LD-199 Forstner Drill Bit Set 6pc | Wholesale Supplier

LD-199 Forstner Drill Bit Set 6pc | Wholesale Supplier

SKU: LD-199

LD-199 Forstner Drill Bit Set 6-piece provides HSS cutters for flat-bottom blind holes in wood, plywood, and MDF. Sizes 15mm to 50mm with 1/4 inch hex shank for cabinetry, furniture making, and woodworking.

MOQ:50
Price Range:$6.00 - $22.00 / set
Material:High Speed Steel HSS Cutter / Carbon Steel Body / 1/4 Inch Hex Shank / Center Spur
Certifications:CE / ISO 9001
Size Range:6pc set: 15mm / 20mm / 25mm / 30mm / 35mm / 50mm; Hex shank 1/4 inch 6.35mm; Cutting depth 20mm; Overall length 80-120mm
Color Options:Silver HSS / Black Oxide / Gold Coated
Weight:420
Packing:Yellow plastic storage case with indexed slots, 6 bits per set, 30 sets per carton
Lead Time:12-20 days
Sample:Available
Customization:OEM size configuration, custom coating, private label case, metric or imperial sizing
Mixed Order:true

Product Details

LD-199 Forstner Drill Bit Set 6pc

LD-199 Forstner Drill Bit Set 6-piece provides HSS cutters for creating flat-bottom blind holes in wood, plywood, and MDF. Sizes 15mm to 50mm with 1/4 inch hex shank for cabinetry hinge boring and furniture making.

The LD-199 Forstner Drill Bit Set is a specialized woodworking drilling kit for cabinet makers, furniture manufacturers, kitchen installers, and woodworking professionals who need to create clean, flat-bottom blind holes for concealed hinges, shelf pegs, dowel joints, and decorative hardware. Unlike standard twist drill bits that produce pointed-bottom holes, Forstner bits create a flat-bottom cavity with a smooth wall finish, essential for hardware that requires precise depth and a flat seating surface. Each bit features a HSS cutting rim that produces a clean, splinter-free entry cut as the bit rotates, while the central spur penetrates the wood first to guide the bit and prevent walking on the workpiece surface. The outer cutting rim scores the wood fibers before the interior cutting edges remove the material, resulting in clean holes with minimal tear-out even on difficult-to-cut veneered plywood and melamine-coated particle board. The 1/4 inch hex shank provides secure grip in standard drill chucks and quick-change connectors, preventing the bit from spinning in the chuck under the high torque loads typical of Forstner bit drilling. The set includes 6 sizes covering the most commonly needed diameters: 15mm for small dowel and connector holes, 20mm and 25mm for standard hinge cups and shelf supports, 30mm and 35mm for larger hardware, and 50mm for oversized hinge plates and decorative fittings. The yellow plastic storage case with indexed slots keeps each bit organized and protected when not in use. Whether boring cabinet hinge cups for kitchen and bathroom cabinetry, drilling shelf pin holes with precise spacing, creating dowel joint holes for furniture assembly, boring door hinge mortises, or drilling counterbore holes for screw concealment, the LD-199 Forstner bit set delivers the clean, precise flat-bottom holes required for professional-quality woodworking.

Core Features

  • HSS cutting rim produces clean splinter-free entry in wood and veneer
  • Center spur for precise hole starting prevents walking
  • Flat-bottom design for concealed hinge and hardware seating
  • 1/4 inch hex shank prevents spinning in drill chuck
  • 6 sizes from 15mm to 50mm for common woodworking applications
  • Yellow plastic storage case with indexed slots for organization

Application Scenarios

  • Kitchen and bathroom cabinet hinge cup boring
  • Furniture assembly dowel and connector hole drilling
  • Shelf peg and support hole drilling
  • Door hinge mortise preparation
  • Wooden plug and counterbore drilling
  • Model making and woodworking craft projects

FAQ

What is the difference between Forstner bits and spade bits for flat-bottom holes?

Forstner bits produce a cleaner flat-bottom hole with a smooth wall finish and a flat bottom, essential for hardware seating. They cut with a shearing action that minimizes tear-out. Spade bits cut faster but leave a rougher finish and can splinter the wood edges, especially on plywood.

Can Forstner bits be used in a drill press?

Yes, Forstner bits perform exceptionally well in drill presses, providing precise depth control and consistent hole quality. Use lower speeds (400-800 RPM for 15-35mm bits, 200-400 RPM for 50mm bits) and secure the workpiece firmly.

How do I prevent the bit from overheating?

Withdraw the bit periodically to clear chips from the cutting rim. Reduce drill speed for larger diameter bits. Apply moderate pressure without forcing. For deep holes, take multiple depth increments. Overheating dulls the HSS cutting edge and can burn the wood.

Can I sharpen Forstner bits?

Forstner bits can be sharpened by a professional sharpening service or with a specialized Forstner bit sharpening jig. The outer cutting rim and center spur can be touched up with a small diamond file. However, the complex geometry makes hand sharpening challenging.