HSS Aircraft Extension Extra Long Drill Bits 12 Inch For Metal SS Aluminium Drilling

Feature highlights：

DIN1869 HSS Drill Bits

Bright finished surface of the HSS drill bits

12 inch extra long HSS drill bits

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specification

HSS Aircraft Extension Extra Long Drill Bits 12 Inch For Metal SS Aluminium Drilling

These 12" long drills are designed for drilling holes in hard, tough materials, like stainless steel, titanium and other high strength alloys. The special P3 split point and wear resistant surface treatment on these cobalt aircraft style drills will provide long life in portable applications.

The high speed steel details:

HSS Grade	C	W	Mo	Cr	V	Co	Si	Mn	P	S
M35	0.9-0.95	5.5-6.5	4.5-5.5	3.8-4.4	1.75-2.2	4.5-5.5	0.2-0.4	0.2-0.4	<=0.03	<=0.03
M42	1.05-1.15	1.15-1.85	9.0-10.0	3.5-4.25	0.95-1.25	7.75-8.75	0.15-0.65	0.15-0.4	<=0.02	<=0.025

Size:

Diameter	flute length	total length	Diameter	flute length	total length
Diameter	flute length	total length	Diameter	flute length	total length
1/16"	7/8"	6"	1/16"	7/8"	12"
5/64"	1"	6"	5/64"	1"	12"
3/32"	1-1/4"	6"	3/32"	1-1/4"	12"
7/64"	1-1/2"	6"	7/64"	1-1/2"	12"
1/8"	1-5/8"	6"	1/8"	1-5/8"	12"
9/64"	1-3/4"	6"	9/64"	1-3/4"	12"
5/32"	2"	6"	5/32"	2"	12"
11/64"	2-1/8"	6"	11/64"	2-1/8"	12"
3/16"	2-5/16"	6"	3/16"	2-5/16"	12"
13/64"	2-7/16"	6"	13/64"	2-7/16"	12"
7/32"	2-1/2"	6"	7/32"	2-1/2"	12"
15/64"	2-5/8"	6"	15/64"	2-5/8"	12"
1/4"	2-3/4"	6"	1/4"	2-3/4"	12"
17/64"	2-7/8"	6"	17/64"	2-7/8"	12"
9/32"	2-15/16"	6"	9/32"	2-15/16"	12"
19/64"	3-1/16"	6"	19/64"	3-1/16"	12"
5/16"	3-3/16"	6"	5/16"	3-3/16"	12"
21/64"	3-5/16"	6"	21/64"	3-5/16"	12"
11/32"	3-7/16"	6"	11/32"	3-7/16"	12"
23/64"	3-1/2"	6"	23/64"	3-1/2"	12"
3/8"	3-5/8"	6"	3/8"	3-5/8"	12"
25/64"	3-3/4"	6"	25/64"	3-3/4"	12"
13/32"	3-7/8"	6"	13/32"	3-7/8"	12"
27/64"	3-15/16"	6"	27/64"	3-15/16"	12"
7/16"	4-1/16"	6"	7/16"	4-1/16"	12"
29/64"	4-3/16"	6"	29/64"	4-3/16"	12"
15/32"	4-5/16"	6"	15/32"	4-5/16"	12"
31/64"	4-3/8"	6"	31/64"	4-3/8"	12"
1/2"	4-1/2"	6"	1/2"	4-1/2"	12"