ASME B.94.11M - 12" Air Craft Extension of Twist Drill Bit
1. High Speed Steel
2. Aircraft Extension
3. NAS 907, Type B
4. 3/64" Not Split Point
5. 135° Split Point
Aircraft Extension Twist Drill Bit
Fractional 12
Dia. Dec. Eq. Flute Length OAL Pkg. Qty.
3/64 .0469 3/4 12 12
1/16 .0625 7/8 12 12
5/64 .0781 1 12 12
3/32 .0938 1-1/4 12 12
7/64 .1094 1-1/2 12 12
1/8 .1250 1-5/8 12 12
9/64 .1406 1-3/4 12 12
5/32 .1562 2 12 12
11/64 .1719 2-1/8 12 12
3/16 .1875 2-5/16 12 6
13/64 .2031 2-7/16 12 6
7/32 .2188 2-1/2 12 6
15/64 .2344 2-5/8 12 6
1/4 .2500 2-3/4 12 6
17/64 .2656 2-7/8 12 6
9/32 .2812 2-15/16 12 6
19/64 .2969 3-1/16 12 6
5/16 .3125 3-3/16 12 6
21/64 .3281 3-5/16 12 6
11/32 .3438 3-7/16 12 6
23/64 .3594 3-1/2 12 3
3/8 .3750 3-5/8 12 3
25/64 .3906 3-3/4 12 3
13/32 .4062 3-7/8 12 3
27/64 .4219 3-15/16 12 3
7/16 .4375 4-1/16 12 3
29/64 .4531 4-3/16 12 3
15/32 .4688 4-5/16 12 3
31/64 .4844 4-3/8 12 3
1/2 .5000 4-1/2 12 3
         
         
         
         
         
         
         
         
         
Wire
Dia. Dec. Eq. Flute Length OAL Pkg. Qty.
1 .2280 2-5/8 12 6
3 .2130 2-1/2 12 6
4 .2090 2-1/2 12 6
5 .2055 2-1/2 12 6
7 .2010 2-7/16 12 6
9 .1960 2-7/16 12 6
10 .1935 2-7/16 12 6
11 .1910 2-5/16 12 6
12 .1890 2-5/16 12 6
13 .1850 2-5/16 12 12
16 .1770 2-3/16 12 12
17 .1730 2-3/16 12 12
18 .1695 2-1/8 12 12
19 .1660 2-1/8 12 12
20 .1610 2-1/8 12 12
21 .1590 2-1/8 12 12
22 .1570 2 12 12
23 .1540 2 12 12
25 .1495 1-7/8 12 12
26 .1470 1-7/8 12 12
27 .1440 1-7/8 12 12
29 .1360 1-3/4 12 12
30 .1285 1-5/8 12 12
31 .1200 1-5/8 12 12
36 .1065 1-7/16 12 12
37 .1040 1-7/16 12 12
38 .1015 1-7/16 12 12
39 .0995 1-3/8 12 12
40 .0980 1-3/8 12 12
41 .0960 1-3/8 12 12
42 .0935 1-1/4 12 12
43 .0890 1-1/4 12 12
44 .0860 1-1/8 12 12
45 .0820 1-1/8 12 12
46 .0810 1-1/8 12 12
47 .0785 1 12 12
48 .0760 1 12 12
49 .0730 1 12 12
50 .0700 1 12 12
Letter
Dia. Dec. Eq. Flute Length OAL Pkg. Qty.
A .2340 2-5/8 12 6
B .2380 2-3/4 12 6
C .2420 2-3/4 12 6
D .2460 2-3/4 12 6
E .2500 2-3/4 12 6
F .2570 2-7/8 12 6
G .2610 2-7/8 12 6
H .2660 2-7/8 12 6
I .2720 2-7/8 12 6
J .2770 2-7/8 12 6
K .2810 2-15/16 12 6
L .2900 2-15/16 12 6
M .2950 3-1/16 12 6
N .3020 3-1/16 12 6
O .3160 3-3/16 12 6
P .3230 3-5/16 12 6
Q .3320 3-7/16 12 6
R .3390 3-7/16 12 6
S .3480 3-1/2 12 3
T .3580 3-1/2 12 3
U .3680 3-5/8 12 3
V .3770 3-5/8 12 3
W .3860 3-3/4 12 3
X .3970 3-3/4 12 3
Y .4040 3-7/8 12 3
Z .4130 3-7/8 12 3
         
         
         
         
         
         
         
         
         
         
         
         
         

ASME B.94 11M -6" Aircraft Extension of Aircraft Extension Twist Drill Bit

1. High Speed Steel
2. Aircraft Extension
3. NAS 907, Type B
4. 3/64" Not Split Point
5. 135° Split Point
Aircraft Extension Twist Drill Bit
Fractional
Dia. Dec. Eq. Flute Length OAL Pkg. Qty.
3/64 .0469 3/4 6 12
1/16 .0625 7/8 6 12
5/64 .0781 1 6 12
3/32 .0938 1-1/4 6 12
7/64 .1094 1-1/2 6 12
1/8 .1250 1-5/8 6 12
9/64 .1406 1-3/4 6 12
5/32 .1562 2 6 12
11/64 .1719 2-1/8 6 12
3/16 .1875 2-5/16 6 12
13/64 .2031 2-7/16 6 12
7/32 .2188 2-1/2 6 12
15/64 .2344 2-5/8 6 12
1/4 .2500 2-3/4 6 12
17/64 .2656 2-7/8 6 6
9/32 .2812 2-15/16 6 6
19/64 .2969 3-1/16 6 6
5/16 .3125 3-3/16 6 6
21/64 .3281 3-5/16 6 6
11/32 .3438 3-7/16 6 6
23/64 .3594 3-1/2 6 6
3/8 .3750 3-5/8 6 6
25/64 .3906 3-3/4 6 6
13/32 .4062 3-7/8 6 6
27/64 .4219 3-15/16 6 6
7/16 .4375 4-1/16 6 6
29/64 .4531 4-3/16 6 6
15/32 .4688 4-5/16 6 6
31/64 .4844 4-3/8 6 6
1/2 .5000 4-1/2 6 6
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
Wire
Dia. Dec. Eq. Flute Length OAL Pkg. Qty.
1 .2280 2-5/8 6 12
2 .2210 2-5/8 6 12
3 .2130 2-1/2 6 12
4 .2090 2-1/2 6 12
5 .2055 2-1/2 6 12
6 .2040 2-1/2 6 12
7 .2010 2-7/16 6 12
8 .1990 2-7/16 6 12
9 .1960 2-7/16 6 12
10 .1935 2-7/16 6 12
11 .1910 2-5/16 6 12
12 .1890 2-5/16 6 12
13 .1850 2-5/16 6 12
14 .1820 2-3/16 6 12
15 .1800 2-3/16 6 12
16 .1770 2-3/16 6 12
17 .1730 2-3/16 6 12
18 .1695 2-1/8 6 12
19 .1660 2-1/8 6 12
20 .1610 2-1/8 6 12
21 .1590 2-1/8 6 12
22 .1570 2 6 12
23 .1540 2 6 12
24 .1520 2 6 12
25 .1495 1-7/8 6 12
26 .1470 1-7/8 6 12
27 .1440 1-7/8 6 12
28 .1405 1-3/4 6 12
29 .1360 1-3/4 6 12
30 .1285 1-5/8 6 12
31 .1200 1-5/8 6 12
32 .1160 1-5/8 6 12
33 .1130 1-1/2 6 12
34 .1110 1-1/2 6 12
35 .1100 1-1/2 6 12
36 .1065 1-7/16 6 12
37 .1040 1-7/16 6 12
38 .1015 1-7/16 6 12
39 .0995 1-3/8 6 12
40 .0980 1-3/8 6 12
41 .0960 1-3/8 6 12
42 .0935 1-1/4 6 12
43 .0890 1-1/4 6 12
44 .0860 1-1/8 6 12
45 .0820 1-1/8 6 12
46 .0810 1-1/8 6 12
47 .0785 1 6 12
48 .0760 1 6 12
49 .0730 1 6 12
50 .0700 1 6 12
51 .0670 1 6 12
52 .0635 7/8 6 12
53 .0595 7/8 6 12
54 .0550 7/8 6 12
55 .0520 7/8 6 12
56 .0465 3/4 6 12
57 .0430 3/4 6 12
58 .0420 11/16 6 12
59 .0410 11/16 6 12
60 .0400 11/16 6 12
Letter
Dia. Dec. Eq. Flute Length OAL Pkg. Qty.
A .2340 2-5/8 6 12
B .2380 2-3/4 6 12
C .2420 2-3/4 6 12
D .2460 2-3/4 6 12
E .2500 2-3/4 6 12
F .2570 2-7/8 6 12
G .2610 2-7/8 6 6
H .2660 2-7/8 6 6
I .2720 2-7/8 6 6
J .2770 2-7/8 6 6
K .2810 2-15/16 6 6
L .2900 2-15/16 6 6
M .2950 3-1/16 6 6
N .3020 3-1/16 6 6
O .3160 3-3/16 6 6
P .3230 3-5/16 6 6
Q .3320 3-7/16 6 6
R .3390 3-7/16 6 6
S .3480 3-1/2 6 6
T .3580 3-1/2 6 6
U .3680 3-5/8 6 6
V .3770 3-5/8 6 6
W .3860 3-3/4 6 6
X .3970 3-3/4 6 6
Y .4040 3-7/8 6 6
Z .4130 3-7/8 6 6
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         

Note: Split point drills available from 1/8" and above sizes
     Sizes over 1/2" are black oxide finish

Hangzhou FANXI Tools Company is an experienced aircraft extension twist drill bit supplier in China. We are dedicated to producing and developing a variety of drill bits and saw blades. With years of persistent efforts, we have passed the international certification of GS, CE, EMC, ITS, SAA, UL. Due to the high quality and competitive prices, our aircraft extension twist drill bits are sold well in countries, such as U.S.A, Canada, Turkey, Norway, Germany, Brazil, India, Australia and Thailand. Our products include HSS twist drill bits, electric hammer drill bits, diamond saw blades, TCT saw blades, etc. Welcome to buy and use.

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Frequently Asked Questions about HSS Twist Drill Bits

What are your HSS twist drill bits made of?

Our HSS twist drill bits are made of high-speed steel such as M2 (DIN 338 / DIN 340 / DIN 345) and M35 cobalt grades, in compliance with DIN and ANSI standards. Standard, reduced shank, taper shank and jobber length series are all available for metal drilling.

What is your MOQ?

MOQ depends on the product type and specification. Trial orders and mixed-container orders are welcome - contact us with your target items and we will confirm the MOQ in the quotation.

Do you accept OEM / ODM?

Yes. OEM and ODM cooperation is welcome, including your brand, packaging and specifications. As a manufacturer in Hangzhou, China since 2006, we support custom production for importers and wholesalers worldwide.

How can I get a quotation and delivery time?

Email ligenie@gmail.com, call +86-571-86758131 or WhatsApp +86 153 3654 6084 with the items and quantities you need. We reply with prices and a clear delivery date, and samples are available for quality checking before bulk orders.

More questions? See our full FAQ page or contact FANXI Tools.