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Specifications

15-100mm Forstner Bit Woodworking Drill Bit Set Boring Hole Saw Cutter Carbide Tip TCT Hex Shank

TUNGSTEN CARBIDE TIP(TCT)
Tungsten carbide is approximately twice as stiff as steel, with Young's modulus of approximately 530–700 GPa (77,000 to 102,000 psi), and is double the density of steel—nearly midway between that of lead and gold. It is comparable with corundum (α-Al2O3) in hardness. Tungsten Carbide tip is specially designed to cut through holes cleanly in end grain and thin stock, great for boring concealed hinges and door locks.

DESIGN WITH CURVE

In a design with curves, the head is good at removing the debris and working efficiently.

Features：

1. Forstner Bit drill clean holes in soft and hardwood.
2. Two spurs and centering point to give the perfect solution to repeated, clean and accurate hole cutting time after time.
3. The sharp center spur accurately locates the center of your hole.
4. Use to drill precise flat bottom holes with no chipping in any thickness of soft wood.
5. For drilling holes in any direction and making arched openings. For drilling partially overlapped flat bottom holes for easy mortising.
6. Should be used with a power drilling machine, here is not included.

Please Note:
1. When drilling holes, the Forstner drill bit is made only in the clockwise direction, not reversible, and the speeds from low to high are a gradual process.
2. Please grind the tool nose and tips to avoid aging and damage when breaking, or it will cause a steep decrease in accuracy and quality for drilling holes after the tips break.

Specification:
Product Name: Forstner Bit
Material: Tungsten Carbide Tip(HRC.70) & Carbon Steel Body

Package:

5pcs =15,20,25,30,35mm

11Pcs=15mm,20mm,25mm,30mm,35mm,40mm,45mm,50mm,55mm,60mm,65mm

Size Chart:

Size (D)	Overall Length (L1)	Shank Dia. (d)	Shank Type	Shank Length (L1)	Cutting Depth Max.
mm	mm	mm	Shank Type	mm	mm
15	80	8	Hex	22	55
16	80	8	Hex	22	55
17	80	8	Hex	22	55
18	80	8	Hex	22	55
19	80	8	Hex	22	55
20	80	8	Hex	22	55
21	80	8	Hex	22	55
22	80	8	Hex	22	55
23	80	8	Hex	22	55
24	80	8	Hex	22	55
25	80	8	Hex	22	55
26	80	8	Hex	22	55
28	80	8	Hex	22	55
30	80	8	Hex	22	55
32	80	8	Hex	22	55
35	80	8	Hex	22	55
38	80	8	Hex	22	55
40	80	9	Hex	22	55
42	80	9	Hex	22	55
45	80	9	Hex	22	55
48	80	8	Hex	22	55
50	80	9	Hex	22	55
53	80	9	Hex	22	55
55	80	9	Hex	22	55
60	80	9	Hex	22	55
65	80	8	Hex	22	55
70	80	8	Hex	22	55
75	80	8	Hex	22	55
80	80	8	Hex	22	55
85	80	8	Hex	22	55
90	80	8	Hex	22	55
95	80	8	Hex	22	55
100	80	8	Hex	22	55

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