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System
of
Measurement
Inch
Drill
Bit
Size
See all
5/16"
For
Use
On
A
l
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B
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C
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C
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e
I
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M
a
s
o
n
r
y
N
i
c
k
e
l
Length
Class
Short
Maintenance
Jobbers
Extended
Reduced
-
Shank
Taper
-
Shank
Shank
Type
3
-
Flat
Hex
Morse
Taper
Quick
-
Change
Hex
Reduced
Round
Round
SDS
Plus
Square
Tapered
Round
Finish
Aluminum
Titanium
Nitride
(AlTiN)
Coated
Black
Oxide
Carbide
Tipped
Diamond
Coated
Gold
Oxide
Titanium
Aluminum
Nitride
(TiAlN)
Coated
Titanium
Carbon
Nitride
(TiCN)
Coated
Titanium
Nitride
(TiN)
Coated
Uncoated
Material
Carbide
Nylon
Steel
Overall
Length
5
/
8
"
1
1
/
1
6
"
1
1
/
8
"
1
1
/
2
"
1
9
/
1
6
"
1
1
9
/
3
2
"
1
1
1
/
1
6
"
2
"
2
1
/
8
"
2
1
/
4
"
2
3
/
8
"
2
1
/
2
"
2
5
/
8
"
2
2
3
/
3
2
"
2
3
/
4
"
DFARS
Compliance
Specialty
Metals
Compliant
(252.225
-
7009)
Specialty
Metals
COTS
-
Exempt
Drill
Bit
Point
Type
Brad
Four
Facet
Notched
Serrated
Split
Standard
Decimal
Size
Equivalent
0
.
1
2
5
"
0
.
1
5
6
3
"
0
.
1
8
7
5
"
0
.
2
1
8
8
"
0
.
2
5
"
0
.
2
8
1
3
"
0
.
3
1
2
5
"
0
.
3
4
3
8
"
0
.
3
7
5
"
0
.
4
0
6
3
"
0
.
4
3
7
5
"
0
.
4
6
8
8
"
0
.
5
"
0
.
5
6
2
5
"
0
.
6
2
5
"
Sold
As
Individual
Set
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
RoHS
3
(2015/863/EU)
Compliant
with
Exemptions
Not
Compliant
Shank
Size
7/32"
1/4"
9/32"
5/16"
3/8"
1/2"
11/16"
0.7498"
REACH
Compliance
REACH
(EC
1907/2006)
(01/23/2024,
240
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/14/2023,
235
SVHC)
Compliant
REACH
(EC
1907/2006)
(01/17/2023,
233
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/10/2022,
224
SVHC)
Compliant
REACH
(EC
1907/2006)
(01/17/2022,
223
SVHC)
Compliant
Not
Compliant
Flute
Direction
Left
Hand
Right
Hand
Flute
Type
Spiral
Spiral
Point
Straight
Bit
Style
Core
Flat
Blade
Fluted
Multidiameter
Multitooth
Spear
Maximum
Drilling
Depth
0
.
0
4
"
0
.
0
7
"
5
/
1
6
"
0
.
6
3
"
0
.
9
3
"
0
.
9
4
"
1
"
1
.
1
5
"
1
.
1
6
"
1
1
/
4
"
1
.
4
7
"
1
.
5
6
"
1
3
/
4
"
1
.
8
8
"
1
.
9
"
Point
Angle
60°
90°
110°
118°
120°
130°
135°
140°
145°
150°
Specifications
Met
ANSI
B212.15
ASME
B94.11M
DIN
338
NAS
Number
of
Sizes
6
9
12
13
Number
of
Flutes
2
3
4
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