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Drill Diameter
1/16"
# 52
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5/64"
# 47
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# 42
3/32"
# 41
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# 38
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# 36
7/64"
# 35
# 34
# 33
# 32
# 31
1/8"
# 30
# 29
# 28
9/64"
# 27
# 26
# 25
# 24
# 23
5/32"
# 22
# 21
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# 19
# 18
11/64"
# 17
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# 14
# 13
3/16"
# 12
# 11
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13/64"
# 6
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# 3
7/32"
# 2
# 1
A
15/64"
B
C
D
E
F
G
17/64"
H
I
J
K
9/32"
L
M
19/64"
N
5/16"
O
P
21/64"
Q
R
11/32"
S
T
23/64"
U
3/8"
V
W
25/64"
X
Y
13/32"
Z
27/64"
7/16"
29/64"
15/32"
31/64"
1/2"
Decimal Equivalent
.0625"
.0635"
.0670"
.0700"
.0730"
.0760"
.0781"
.0785"
.0810"
.0820"
.0860"
.0890"
.0935"
.0938"
.0960"
.0980"
.0995"
.1015"
.1040"
.1065"
.1094"
.1100"
.1110"
.1130"
.1160"
.1200"
.1250"
.1285"
.1360"
.1405"
.1406"
.1440"
.1470"
.1495"
.1520"
.1540"
.1562"
.1570"
.1590"
.1610"
.1660"
.1695"
.1719"
.1730"
.1770"
.1800"
.1820"
.1850"
.1875"
.1890"
.1910"
.1935"
.1960"
.1990"
.2010"
.2031"
.2040"
.2055"
.2090"
.2130"
.2188"
.2210"
.2280"
.2340"
.2344"
.2380"
.2420"
.2460"
.2500"
.2570"
.2610"
.2656"
.2660"
.2720"
.2770"
.2810"
.2812"
.2900"
.2950"
.2969"
.3020"
.3125"
.3160"
.3230"
.3281"
.3320"
.3390"
.3438"
.3480"
.3580"
.3594"
.3680"
.3750"
.3770"
.3860"
.3906"
.3970"
.4040"
.4062"
.4130"
.4219"
.4375"
.4531"
.4688"
.4844"
.5000"
Length Of Cut
7/8"
1"
1-1/8"
1-1/4"
1-3/8"
1-7/16"
1-1/2"
1-5/8"
1-3/4"
1-7/8"
2"
2-1/8"
2-3/16"
2-5/16"
2-7/16"
2-1/2"
2-5/8"
2-3/4"
2-7/8"
2-15/16"
3-1/16"
3-3/16"
3-5/16"
3-7/16"
3-1/2"
3-5/8"
3-3/4"
3-7/8"
3-15/16"
4-1/16"
4-3/16"
4-5/16"
4-3/8"
4-1/2"
Overall Length
1-7/8"
2"
2-1/8"
2-1/4"
2-3/8"
2-1/2"
2-5/8"
2-3/4"
2-7/8"
3"
3-1/8"
3-1/4"
3-3/8"
3-1/2"
3-5/8"
3-3/4"
3-7/8"
4"
4-1/8"
4-1/4"
4-3/8"
4-1/2"
4-5/8"
4-3/4"
4-7/8"
5"
5-1/8"
5-1/4"
5-3/8"
5-1/2"
5-5/8"
5-3/4"
5-7/8"
6"
Size Type
Fractional Sizes
Letter Sizes
Wire Gauge Sizes

Parabolic Flute

Parabolic Flute
xxParabolic drills are for deep hole drilling at higher feed rates in aluminum alloys and other low to medium tensile strength materials.
 More Info   Drill Diameter   Decimal Equivalent   Length Of Cut   Overall Length   Size Type   Direction of Cut   Geometry/Tool Specs   Brand   Price   Buy Now 
 
8402104
 
1/16" .0625" 7/8" 1-7/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.27 
 
8402105
 
5/64" .0781" 1" 2" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.30 
 
8402106
 
3/32" .0938" 1-1/4" 2-1/4" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.30 
 
8402107
 
7/64" .1094" 1-1/2" 2-5/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.41 
 
245302
 
1/8" .1250" 1-5/8" 2-3/4" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.43 
 
245310
 
9/64" .1406" 1-3/4" 2-7/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.47 
 
245328
 
5/32" .1562" 2" 3-1/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.51 
 
245336
 
11/64" .1719" 2-1/8" 3-1/4" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.76 
 
245344
 
3/16" .1875" 2-5/16" 3-1/2" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $1.82 
 
245351
 
13/64" .2031" 2-7/16" 3-5/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $2.13 
 
245369
 
7/32" .2188" 2-1/2" 3-3/4" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $2.30 
 
245377
 
15/64" .2344" 2-5/8" 3-7/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $2.58 
 
245385
 
E .2500" 2-3/4" 4" Letter Sizes Right Hand 135° Point REPUBLIC DRILL  $2.35 
 
245393
 
17/64" .2656" 2-7/8" 4-1/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $2.70 
 
245401
 
9/32" .2812" 2-15/16" 4-1/4" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $3.16 
 
245419
 
19/64" .2969" 3-1/16" 4-3/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $3.82 
 
245427
 
5/16" .3125" 3-3/16" 4-1/2" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $4.08 
 
245435
 
21/64" .3281" 3-5/16" 4-5/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $4.35 
 
245443
 
11/32" .3438" 3-7/16" 4-3/4" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $5.10 
 
245450
 
23/64" .3594" 3-1/2" 4-7/8" Fractional Sizes Right Hand 135° Point REPUBLIC DRILL  $5.91 
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warningThis product may contain metals and/or chemicals that are included in the State of California's latest Prop 65 warnings. Exposure may cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov