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Forstner Drill Bits 20mm, Tungsten Carbide Wood Hole Saw Auger Opener, Woodworking Hinge Hole Drilling Boring Bit Cutter (Blue, Gray)

Forstner Drill Bit: Drilling diameter:

20mm / 0.79"; shank size: 7mm / 0.28"; drilling depth: 48mm / 1.89"; total length: 79mm / 3.11". Thickened carbide cutter and solid hardened steel body, round shank forstner bits for woodworking.

Applications: Can be used for drilling holes on wood and plastic products, furniture, door hinge. Used on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc.. Forstner drill bit is for ordinary purpose

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

How To Use: Suitable for bench drill, vertical drilling machine, CNC carving machine. 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.

Tips: Maximum speed: 2000rpm. Used on desktop (fixed) equipment, and can NOT be used on handheld power tools (such as hand drill or electric drill). Can not drill metal and non-ferrous metal. To avoid causing damage, be sure no nails or other metal objects in wood before drilling. The cutting edge and tip of the opener should be sharpened in time.

Drilling diameter < 40mm, maximum speed: 2000rpm; Drilling diameter ≥ 40mm, maximum speed: 1200rpm. Used on desktop (fixed) equipment (bench drill, vertical drilling machine, CNC carving machine, etc.). Can NOT be used on handheld power tools (such as hand drill or electric drill).

The product is only suitable for processing wood or soft non-metallic materials. Can not drill metal and non-ferrous metal, otherwise the hole opener will be damaged quickly.

To avoid causing breakage, be sure no nails or other metal objects in wood before drilling. The cutting edge and tip of the opener should be sharpened in time.

Forstner Drill Bits Tungsten Carbide Tip

It has high hardness, high strength, wear resistance, and heat resistance. Carbide tool offers long tool life and faster cutting speeds than other substrates.

Two Spurs and Center Spur

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

Arc Curve Design

Arc curve design head for easy chip-removal, more efficient perforation. The perforation is neat, smooth, no broken edge.

Features

Drills flat bottom holes with no chippings in any thickness of soft wood.

Drills holes in any direction and makes arched openings.

Drills partially overlapped flat bottom holes for easy mortising.

Wide Applications

Cut 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. Designed to cut through holes cleanly. Used for wood products perforation, mounted spherical door shoot tip, drawer, plastic and wood products, plywood.

The cutting material must be fixed and the drill bit should be perpendicular to the material. If the cutting material moves during drilling, the tool or material will be broken.

Tips

Water should be injected when machining hardwood or other hard materials to improve drilling quality and accuracy and prolong 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. The bit in the positioning is required to be very low speed, and then gradually accelerate after complete position. Add water for lubrication and temperature reduction when drilling.

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