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Feature

Premium Quality: Made of hard alloy, super-strength steel body and spiral portion with center point.
Excellent Design: Four flute. Suitable for desktop trimming machine, portable engracing machine.
5 Size in 1 Set: 15mm, 16mm, 17mm, 18mm, 19mm (19/32-Inch, 5/8-Inch, 43/64-Inch, 45/64-Inch, 3/4-Inch). Processed wood have no burrs, will not burn black.
Wide Application: For drilling accurate and clean-cut blind holes in solid wood board, wood composites, plywood, density board, particle board, plastic and laminated materials.
Ideal for hinge, used on boring machines equipped with adaptors or chucks.

Description

Description:

This bit features new downcut round sharpening for a more precise cut and extra-fine
micrograin carbide for endurance and a faster feed speed.
We use the finest industrial quality micrograin carbide to produce very sharp cutting edges and
improve cutting resistance.
PTFE-Coating provides a non-stick surface that prevents residue accumulation on the bit.
Tool has 2 precision ground cutting edges, 2 spiral flutes, 2 negatively ground spurs.
Special metal shock resistant brazing guarantees a solid bond of every tip on every bit and the
steel shank grinding allows for a perfectly-fitting insertion of your tool into your machine.

Specification:

Meterial: Carbide Tipped
Carbide Type of Steel Shank: #45

Size:
Shank diameter*Blade diameter*Total Length
10*15*70mm
10*16*70mm
10*17*70mm
10*18*70mm
10*19*70mm

Package Included:

5 X Hinge Boring Bit

Important Note:

When you using this drill bit, the materials (eg. wood, plastic products, plywood ect.)
temperature will get very high , please add some water or coolant to avoid the material get smoke.