HSS Silver&Deming Twist Drill Bits

1.Whether utilizing a power drill, drill press, or CNC machine, our Drill Bit excels in boring into aluminum, steel, stainless steel, titanium alloys, and other challenging materials.

2.Boasting a self-centering 135° split point, this drill guarantees precision without deviation on the workpiece. The surface-treated high-speed steel enhances durability, prolonging the tool's lifespan and establishing it as a dependable choice for your drilling requirements.

3.Reduced Shank Drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes.

Metric Silver & Deming Twist Drill Bits（1/2 Silver & Deming）
Diameter(D)	Inch	Flute Length(F)	Overall Length(L)
14.00	.5512	3	6
15.00	.5906	3	6
16.00	.6299	3	6
17.00	.6693	3	6
18.00	.7087	3	6
19.00	.7480	3	6
20.00	.7874	3	6
21.00	.8268	3	6
22.00	.8661	3	6
24.00	.9449	3	6
26.00	1.0236	3	6
27.00	1.0630	3	6
28.00	1.1024	3	6
29.00	1.1417	3	6
30.00	1.1811	3	6
31.00	1.2205	3	6
Metric Silver & Deming Twist Drill Bits（3/8 Silver & Deming）
Diameter(D)	Inch	Flute Length(F)	Overall Length(L)
14.00	.5512	3	6
15.00	.5906	3	6
16.00	.6299	3	6
17.00	.6693	3	6
18.00	.7087	3	6
19.00	.7480	3	6
20.00	.7874	3	6
21.00	.8268	3	6
22.00	.8661	3	6
24.00	.9449	3	6
26.00	1.0236	3	6
27.00	1.0630	3	6
28.00	1.1024	3	6
29.00	1.1417	3	6
30.00	1.1811	3	6
31.00	1.2205	3	6
Metric Silver & Deming Twist Drill Bits（3/4 Silver & Deming）
Diameter(D)	Inch	Flute Length(F)	Overall Length(L)
14.00	.5512	3	6
15.00	.5906	3	6
16.00	.6299	3	6
17.00	.6693	3	6
18.00	.7087	3	6
19.00	.7480	3	6
20.00	.7874	3	6
21.00	.8268	3	6
22.00	.8661	3	6
24.00	.9449	3	6
26.00	1.0236	3	6
27.00	1.0630	3	6
28.00	1.1024	3	6
29.00	1.1417	3	6
30.00	1.1811	3	6
31.00	1.2205	3	6

Drilling Products

HSS Silver&Deming Twist Drill Bits