Feature(may vary by option.)

●【Specifications】- Drilling diameter: 100mm / 3.94-inch; Total length: 80mm / 3.15-inch; Shank diameter: 12mm / 0.47-inch. Hex shank, cemented carbide cutter and high-quality carbon structural steel (45# steel) body.
●【Features】- Tungsten carbide cutting tip with special heat treatment for sharp cutting edge, high hardness, non-burrs and durable use. Arc curve design head for easy chip-removal, more efficient perforation.
●【Application】- Suitable for drilling holes in low-hardness woods such as density boards, pressed boards, plastics, and hard woods.
●【Application Range】- Suitable for bench drill, vertical drilling machine, hand held electric drill, impact drill, CNC carving machine and other drill press.
●【Warm Tips】- Can not be used for cutting metal holes. Before drilling, be sure no nails or other metal objects in wood to avoid causing damage to forstner drill bits.

[70mm]




[80mm]




[95mm]




[75mm]




[85mm]




[100mm]




[90mm]





Description

Forstner Drill BitsForstner Drill Bits

Wide Applications

  • Suitable for cutting holes onto any wood and wood products. Can easily enlarge existing holes and bore any arc of a circle. Drills flat bottom holes, pocket holes, and overlapping holes.
  • Great for boring concealed hinges and door locks. The cemented carbide tip is designed to cut through hole cleanly. Can be used for wood products perforation, mounted spherical door shoot tip, drawer, plastic and wood products, plywood, etc..
  • Suitable for bench drill, vertical drilling machine, CNC carving machine, etc. The bit in the positioning is required to very low speed, and then gradually accelerate after complete position. Add water for lubrication and temperature reduction when drilling.

Forstner Drill BitsForstner Drill Bits

Instructions for woodworking hole opener

1. Put the hole opener into the electric drill before use and confirm that it is firmly clamped before it can work. 2. Keep the vertical angle with the workpiece when working. After the hole opener drills through the workpiece, the workpiece should be withdrawn while the hole opener is rotating. Please clean the sawdust in time to avoid opening failures during continuous work. 3. Workers should wear corresponding protective equipment when working to protect them from working safely, and apply rust oil after use to extend the service life.

Forstner Drill BitsForstner Drill Bits
Universal Shank

Hex shank is made of solid hardened steel, with high hardness. Can be used in drill press, bench drill, vertical drilling machine, CNC carving machine.

Two Spurs & Center Spur

Two spurs and centering point can offer repeated, clean and accurate cutting holes. The sharp center spur accurately locates the center of your hole.

Special Design

Small incision resistance to improve the opening speed. The head adopts arc curve design for easy chip-removal and no tremor. The perforation is neat, smooth, no broken edge.

Forstner Drill BitsForstner Drill Bits

Tips

Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener.

The tool edge and tip should be sharpened in time if they are worn or damaged, or the tool will be damaged quickly. Can not drill metal and non-ferrous metal, otherwise the hole opener will be damaged quickly.

The cutting material must be fixed, and the drill bit should be perpendicular to the material. It will damage the tool or the material if the cutting material moves during the drilling process.

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Customer Reviews
3.7 out of 5 stars
19
3.7 out of 5 stars
19
3.8 out of 5 stars
55
3.8 out of 5 stars
55
3.8 out of 5 stars
55
3.8 out of 5 stars
55
Price $9.99 $9.99 $12.99 $11.99 $13.99 $19.69
Shank Diameter 10mm 10mm 10mm 10mm 12mm 12mm
Opening Diameter 65mm 60mm 70mm 85mm 90mm 95mm
Total Length 80mm 80mm 80mm 80mm 80mm 80mm