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Set of drills with countersink

Set of drills with countersink

These drills are designed to work with wood or plastic and allow you to drill holes and immediately chamfer or form conical recesses in them, for example, under the screw cover or rivet (the so-called "sweat") without changing the nozzle, which will certainly save you a lot of time and effort when working with large volumes of material. The drilling depth is adjusted by moving the nozzle to the required level by loosening the hidden screw that secures it to the drill, which is supplied with a small hex key.

The characteristics of the drills are as follows:

• drill material: high speed steel (HSS4241);
• countersink material: steel # 45;
• countersink diameter: 15.8 mm;
• Shank size: 1/4 "(hex).
• number of cutting edges at the countersink: 5;

It should be noted that, if possible, it is recommended to ream the countersink to get a cleaner cut.

The drill size is as follows (drill diameter x drill length):

• 3 mm x 60 mm;
• 4 mm x 75 mm;
• 5 mm x 85 mm;
• 6 mm x 93 mm.

Useful and completely inexpensive fixturesthat are sure to come in handy both when performing repair and construction work, and when creating all kinds of homemade.

Cost: ~ 253

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