12 Inch HSS Aircraft Extension Extra Long Drill Bit for Metal Stainless Steel Aluminium Drilling
Discription of Aircraft Extension HSS drill bits:
These 12" long drills are designed for drilling holes in hard, tough materials such as 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.
DIN1869 HSS Drill Bits Features:
1. Material details:
| DESCRIPTION OF HSS |
C |
W |
Mo |
Cr |
V |
Co |
Si |
Mn |
P |
S |
| |
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
| W2MoCr4V(4241) |
0.95-1.05 |
1.7-2.4 |
0.8-1.2 |
3.8-4.4 |
0.8-1.2 |
|
1.0-1.4 |
0.2-0.4 |
<=0.03 |
<=0.03 |
| W4Mo3Cr4V(4341) |
0.88-0.98 |
3.5-4.5 |
2.5-3.5 |
3.8-4.4 |
1.2-1.8 |
|
0.5-1.2 |
0.2-0.4 |
<=0.03 |
<=0.03 |
| W9Mo3Cr4V(9341) |
0.77-0.87 |
8.5-9.5 |
2.7-3.3 |
3.8-4.4 |
1.3-1.7 |
- |
0.2-0.4 |
0.2-0.4 |
<=0.03 |
<=0.03 |
| W6Mo5Cr4V2(M2) |
0.8-0.9 |
5.5-6.75 |
4.5-5.5 |
3.8-4.4 |
1.75-2.2 |
- |
0.2-0.4 |
0.2-0.4 |
<=0.03 |
<=0.03 |
| W6Mo5Cr4V2Co5(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 |
| W2Mo9Cr4V2Co8(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 |
2. Size of Long HSS Drill Bit:
| 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" |
Package and Shipping Details of Extra Long Drill Bits:
1. Normal Package:5/10 pcs in a plastic bag,then inner box and out carton.
2. Other package:Blister card,Plastic tube,PVC pouch,according to your requirments.
3. HSS Drill bits set are available.
4. Samples or small order will be delivered by courier,DHL,FEDEX,TNT,etc
5. Normal order will be delivered by sea.
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