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Screw Machine Drills

Fractional size Screw Machine Drills

Screw Machine Drill Bits. Fractional (inch) sized.
Short-Length drill bits, often used in screw machines.
High speed steel, right-hand cut. Email us for sizes over 1".
Please note: screw machine drill bits may be either bright-finished or black oxide, depending on stock.
Quantity Price Model Description Size Flute Length Overall Length

$0.52 SMR-1/16
1/16" Screw Machine Drill, HSS, 0121-0021 1/16" 5/8" 1-5/8"

$0.52 SMR-5/64
5/64" Screw Machine Drill, HSS, 0121-0026 5/64" 11/16" 1-11/16"

$0.52 SMR-3/32
3/32" Screw Machine Drill, HSS, 0121-0031 3/32" 3/4" 1-3/4"

$0.52 SMR-7/64
7/64" Screw Machine Drill, HSS, 0121-0036 7/64" 13/16" 1-13/16"

$0.60 SMR-1/8
1/8" Screw Machine Drill, HSS, 0121-0041 1/8" 7/8" 1-7/8"

$0.52 SMR-9/64
9/64" Screw Machine Drill, HSS, 0121-0046 9/64" 15/16" 1-15/16"

$0.59 SMR-5/32
5/32" Screw Machine Drill, HSS, 0121-0051 5/32" 1" 2-1/16"

$0.65 SMR-11/64
11/64" Screw Machine Drill, HSS, 0121-0056 11/64" 1-1/16" 2-1/8"

$0.69 SMR-3/16
3/16" Screw Machine Drill, HSS, 0121-0061 3/16" 1-1/8" 2-3/16"

$0.78 SMR-13/64
13/64" Screw Machine Drill, HSS, 0121-0066 13/64" 1-3/16" 2-1/4"

$0.88 SMR-7/32
7/32" Screw Machine Drill, HSS, 0121-0071 7/32" 1-1/4" 2-3/8"

$0.93 SMR-15/64
15/64" Screw Machine Drill, HSS, 0121-0076 15/64" 1-5/16" 2-7/16"

$0.96 SMR-1/4
1/4" Screw Machine Drill, HSS, 0121-0081 1/4" 1-3/8" 2-1/2"

$1.19 SMR-17/64
17/64" Screw Machine Drill, HSS, 0121-0086 17/64" 1-7/16" 2-5/8"

$1.24 SMR-9/32
9/32" Screw Machine Drill, HSS, 0121-0091 9/32" 1-1/2" 2-11/16"

$1.37 SMR-19/64
19/64" Screw Machine Drill, HSS, 0121-0096 19/64" 1-9/16" 2-3/4"

$1.46 SMR-5/16
5/16" Screw Machine Drill, HSS, 0121-0101 5/16" 1-5/8" 2-13/16"

$1.62 SMR-21/64
21/64" Screw Machine Drill, HSS, 0121-0106 21/64" 1-11/16" 2-15/16"

$1.89 SMR-11/32
11/32" Screw Machine Drill, HSS, 0121-0111 11/32" 1-11/16" 3"

$2.12 SMR-23/64
23/64" Screw Machine Drill, HSS, 0121-0116 23/64" 1-3/4" 3-1/16"

$2.23 SMR-3/8
3/8" Screw Machine Drill, HSS, 0121-0121 3/8" 1-13/16" 3-1/8"

$2.44 SMR-25/64
25/64" Screw Machine Drill, HSS, 0121-0126 25/64" 1-7/8" 3-1/4"

$2.59 SMR-13/32
13/32" Screw Machine Drill, HSS, 0121-0131 13/32" 1-15/16" 3-5/16"

$2.82 SMR-27/64
27/64" Screw Machine Drill, HSS, 0121-0136 27/64" 2" 3-3/8"

$3.02 SMR-7/16
7/16" Screw Machine Drill, HSS, 0121-0141 7/16" 2-1/16" 3-7/16"

$3.43 SMR-29/64
29/64" Screw Machine Drill, HSS, 0121-0146 29/64" 2-1/8" 3-9/16"

$3.65 SMR-15/32
15/32" Screw Machine Drill, HSS, 0121-0151 15/32" 2-1/8" 3-5/8"

$3.95 SMR-31/64
31/64" Screw Machine Drill, HSS, 0121-0156 31/64" 2-3/16" 3-11/16"

$3.95 SMR-1/2
1/2" Screw Machine Drill, HSS, 0121-0161 1/2" 2-1/4" 3- 3/4"

$6.75 SMR-33/64
33/64" Screw Machine Drill, HSS, 0121-0166 33/64" 2-3/8" 3-7/8"

$7.05 SMR-17/32
17/32" Screw Machine Drill, HSS, 0121-0171 17/32" 2-3/8" 3-7/8"

$7.40 SMR-35/64
35/64" Screw Machine Drill, HSS, 0121-0176 35/64" 2-1/2" 4"

$7.40 SMR-9/16
9/16" Screw Machine Drill, HSS, 0121-0181 9/16" 2-1/2" 4"

$8.40 SMR-37/64
37/64" Screw Machine Drill, HSS, 0121-0186 37/64" 2-5/8" 4-1/8"

$8.40 SMR-19/32
19/32" Screw Machine Drill, HSS, 0121-0191 19/32" 2-5/8" 4-1/8"

$8.90 SMR-39/64
39/64" Screw Machine Drill, HSS, 0121-0196 39/64" 2-3/4" 4-1/4"

$8.55 SMR-5/8
5/8" Screw Machine Drill, HSS, 0121-0201 5/8" 2-3/4" 4-1/4"

$9.75 SMR-41/64
41/64" Screw Machine Drill, HSS, 0121-0206 41/64" 2-7/8" 4-1/2"

$9.75 SMR-21/32
21/32" Screw Machine Drill, HSS, 0121-0211 21/32" 2-7/8" 4-1/2"

$10.80 SMR-43/64
43/64" Screw Machine Drill, HSS, 0121-0216 43/64" 2-7/8" 4-5/8"

$10.80 SMR-11/16
11/16" Screw Machine Drill, HSS, 0121-0221 11/16" 2-7/8" 4-5/8"

$11.75 SMR-45/64
45/64" Screw Machine Drill, HSS, 0121-0226 45/64" 3" 4-3/4"

$11.75 SMR-23/32
23/32" Screw Machine Drill, HSS, 0121-0231 23/32" 3" 4-3/4"

$12.40 SMR-47/64
47/64" Screw Machine Drill, HSS, 0121-0236 47/64" 3-1/8" 5"

$12.40 SMR-3/4
3/4" Screw Machine Drill, HSS, 0121-0241 3/4" 3-1/8" 5"

$13.60 SMR-49/64
49/64" Screw Machine Drill, HSS, 0121-0246 49/64" 3-1/4" 5-1/8"

$13.60 SMR-25/32
25/32" Screw Machine Drill, HSS, 0121-0251 25/32" 3-1/4" 5-1/8"

$14.20 SMR-51/64
51/64" Screw Machine Drill, HSS, 0121-0256 51/64" 3-3/8" 5-1/4"

$14.20 SMR-13/16
13/16" Screw Machine Drill, HSS, 0121-0261 13/16" 3-3/8" 5-1/4"

$15.10 SMR-53/64
53/64" Screw Machine Drill, HSS, 0121-0266 53/64" 3-1/2" 5-3/8"

$15.10 SMR-27/32
27/32" Screw Machine Drill, HSS, 0121-0271 27/32" 3-1/2" 5-3/8"

$15.60 SMR-55/64
55/64" Screw Machine Drill, HSS, 0121-0276 55/64" 3-1/2" 5-1/2"

$15.60 SMR-7/8
7/8" Screw Machine Drill, HSS, 0121-0281 7/8" 3-1/2" 5-1/2"

$16.10 SMR-57/64
57/64" Screw Machine Drill, HSS, 0121-0286 57/64" 3-5/8" 5-5/8"

$16.10 SMR-29/32
29/32" Screw Machine Drill, HSS, 0121-0291 29/32" 3-5/8" 5-5/8"

$17.90 SMR-59/64
59/64" Screw Machine Drill, HSS, 0121-0296 59/64" 3-3/4" 5-3/4"

$17.90 SMR-15/16
15/16" Screw Machine Drill, HSS, 0121-0301 15/16" 3-3/4" 5-3/4"

$19.40 SMR-61/64
61/64" Screw Machine Drill, HSS, 0121-0306 61/64" 3-7/8" 5-7/8"

$19.40 SMR-31/32
31/32" Screw Machine Drill, HSS, 0121-0311 31/32" 3-7/8" 5-7/8"

$20.10 SMR-63/64
63/64" Screw Machine Drill, HSS, 0121-0316 63/64" 4" 6"

$20.10 SMR-1
1" Screw Machine Drill, HSS, 0121-0321 1" 4" 6"

Number size Screw Machine Drills

Screw Machine Drill Bits. Number (Wire Gage) sized.
Short-Length drill bits, often used in screw machines.
High speed steel, right-hand cut.
Please note: screw machine drill bits may be either bright-finished or black oxide, depending on stock.
Quantity Price Model Description Size Flute Length Overall Length Decimal Equivalent

$0.90 SMRN-1
#1 HS Screw Machine Drill, 0122-0006 1 1-5/16" 2-7/16" .2280"

$0.90 SMRN-2
#2 HS Screw Machine Drill, 0122-0011 2 1-5/16" 2-7/16" .2210"

$0.85 SMRN-3
#3 HS Screw Machine Drill, 0122-0016 3 1-1/4" 2-3/8" .2130"

$0.85 SMRN-4
#4 HS Screw Machine Drill, 0122-0021 4 1-1/4" 2-3/8" .2090"

$0.85 SMRN-5
#5 HS Screw Machine Drill, 0122-0026 5 1-1/4" 2-3/8" .2055"

$0.85 SMRN-6
#6 HS Screw Machine Drill, 0122-0031 6 1-1/4" 2-3/8" .2040"

$0.72 SMRN-7
#7 HS Screw Machine Drill, 0122-0036 7 1-3/16" 2-1/4" .2010"

$0.72 SMRN-8
#8 HS Screw Machine Drill, 0122-0041 8 1-3/16" 2-1/4" .1990"

$0.72 SMRN-9
#9 HS Screw Machine Drill, 0122-0046 9 1-3/16" 2-1/4" .1960"

$0.72 SMRN-10
#10 HS Screw Machine Drill, 0122-0051 10 1-3/16" 2-1/4" .1935"

$0.72 SMRN-11
#11 HS Screw Machine Drill, 0122-0056 11 1-3/16" 2-1/4" .1910"

$0.72 SMRN-12
#12 HS Screw Machine Drill, 0122-0061 12 1-3/16" 2-1/4" .1890"

$0.72 SMRN-13
#13 HS Screw Machine Drill, 0122-0066 13 1-1/8" 2-3/16" .1850"

$0.72 SMRN-14
#14 HS Screw Machine Drill, 0122-0071 14 1-1/8" 2-3/16" .1820"

$0.72 SMRN-15
#15 HS Screw Machine Drill, 0122-0076 15 1-1/8" 2-3/16" .1800"

$0.72 SMRN-16
#16 HS Screw Machine Drill, 0122-0081 16 1-1/8" 2-3/16" .1770"

$0.72 SMRN-17
#17 HS Screw Machine Drill, 0122-0086 17 1-1/8" 2-3/16" .1730"

$0.65 SMRN-18
#18 HS Screw Machine Drill, 0122-0091 18 1-1/16" 2-1/8" .1695"

$0.65 SMRN-19
#19 HS Screw Machine Drill, 0122-0096 19 1-1/16" 2-1/8" .1660"

$0.65 SMRN-20
#20 HS Screw Machine Drill, 0122-0101 20 1-1/16" 2-1/8" .1610"

$0.65 SMRN-21
#21 HS Screw Machine Drill, 0122-0106 21 1-1/16" 2-1/8" .1590"

$0.65 SMRN-22
#22 HS Screw Machine Drill, 0122-0111 22 1-1/16" 2-1/8" .1570"

$0.59 SMRN-23
#23 HS Screw Machine Drill, 0122-0116 23 1" 2-1/16" .1540"

$0.59 SMRN-24
#24 HS Screw Machine Drill, 0122-0121 24 1" 2-1/16" .1520"

$0.59 SMRN-25
#25 HS Screw Machine Drill, 0122-0126 25 1" 2-1/16" .1495"

$0.59 SMRN-26
#26 HS Screw Machine Drill, 0122-0131 26 1" 2-1/16" .1470"

$0.59 SMRN-27
#27 HS Screw Machine Drill, 0122-0136 27 1" 2-1/16" .1440"

$0.52 SMRN-28
#28 HS Screw Machine Drill, 0122-0141 28 15/16" 1-15/16" .1405"

$0.52 SMRN-29
#29 HS Screw Machine Drill, 0122-0146 29 15/16" 1-15/16" .1360"

$0.52 SMRN-30
#30 HS Screw Machine Drill, 0122-0151 30 15/16" 1-15/16" .1285"

$0.52 SMRN-31
#31 HS Screw Machine Drill, 0122-0156 31 7/8" 1-7/8" .1200"

$0.52 SMRN-32
#32 HS Screw Machine Drill, 0122-0161 32 7/8" 1-7/8" .1160"

$0.52 SMRN-33
#33 HS Screw Machine Drill, 0122-0166 33 7/8" 1-7/8" .1130"

$0.52 SMRN-34
#34 HS Screw Machine Drill, 0122-0171 34 7/8" 1-7/8" .1110"

$0.52 SMRN-35
#35 HS Screw Machine Drill, 0122-0176 35 7/8" 1-7/8" .1100"

$0.52 SMRN-36
#36 HS Screw Machine Drill, 0122-0181 36 13/16" 1-13/16" .1065"

$0.52 SMRN-37
#37 HS Screw Machine Drill, 0122-0186 37 13/16" 1-13/16" .1040"

$0.52 SMRN-38
#38 HS Screw Machine Drill, 0122-0191 38 13/16" 1-13/16" .1015"

$0.52 SMRN-39
#39 HS Screw Machine Drill, 0122-0196 39 13/16" 1-13/16" .0995"

$0.52 SMRN-40
#40 HS Screw Machine Drill, 0122-0201 40 13/16" 1-13/16" .0980"

$0.52 SMRN-41
#41 HS Screw Machine Drill, 0122-0206 41 13/16" 1-13/16" .0960"

$0.52 SMRN-42
#42 HS Screw Machine Drill, 0122-0211 42 3/4" 1-3/4" .0935"

$0.52 SMRN-43
#43 HS Screw Machine Drill, 0122-0216 43 3/4" 1-3/4" .0890"

$0.52 SMRN-44
#44 HS Screw Machine Drill, 0122-0221 44 3/4" 1-3/4" .0860"

$0.52 SMRN-45
#45 HS Screw Machine Drill, 0122-0226 45 3/4" 1-3/4" .0820"

$0.52 SMRN-46
#46 HS Screw Machine Drill, 0122-0231 46 3/4" 1-3/4" .0810"

$0.52 SMRN-47
#47 HS Screw Machine Drill, 0122-0236 47 11/16" 1-11/16" .0785"

$0.52 SMRN-48
#48 HS Screw Machine Drill, 0122-0241 48 11/16" 1-11/16" .0760"

$0.52 SMRN-49
#49 HS Screw Machine Drill, 0122-0246 49 11/16" 1-11/16" .0730"

$0.52 SMRN-50
#50 HS Screw Machine Drill, 0122-0251 50 11/16" 1-11/16" .0700"

$0.52 SMRN-51
#51 HS Screw Machine Drill, 0122-0256 51 11/16" 1-11/16" .0670"

$0.52 SMRN-52
#52 HS Screw Machine Drill, 0122-0261 52 11/16" 1-11/16" .0635"

$0.52 SMRN-53
#53 HS Screw Machine Drill, 0122-0266 53 5/8" 1-5/8" .0595"

$0.52 SMRN-54
#54 HS Screw Machine Drill, 0122-0271 54 5/8" 1-5/8" .0550"

$0.52 SMRN-55
#55 HS Screw Machine Drill, 0122-0276 55 5/8" 1-5/8" .0520"

$0.52 SMRN-56
#56 HS Screw Machine Drill, 0122-0281 56 1/2" 1-3/8" .0465"

$0.52 SMRN-57
#57 HS Screw Machine Drill, 0122-0286 57 1/2" 1-3/8" .043"

$0.52 SMRN-58
#58 HS Screw Machine Drill, 0122-0291 58 1/2" 1-3/8" .042"

$0.52 SMRN-59
#59 HS Screw Machine Drill, 0122-0296 59 1/2" 1-3/8" .041"

$0.52 SMRN-60
#60 HS Screw Machine Drill, 0122-0301 60 1/2" 1-3/8" .04"

Letter Size HS Screw Machine Drills

Screw Machine Drill Bits. Letter-sized.
Short-Length drill bits, often used in screw machines.
High speed steel, right-hand cut.
Please note: screw machine drill bits may be either bright-finished or black oxide, depending on stock.
Quantity Price Model Description Decimal Equivalent Overall Length Flute Length

$1.27 SMR-A
A HS Screw Machine Drill, 0123-0005 0.234" 2-7/16" 1-5/16"

$1.27 SMR-B
B HS Screw Machine Drill, 0123-0010 0.238" 2-1/2" 1-3/8"

$1.27 SMR-C
C HS Screw Machine Drill, 0123-0015 0.242" 2-1/2" 1-3/8"

$1.27 SMR-D
D HS Screw Machine Drill, 0123-0020 0.246" 2-1/2" 1-3/8"

$1.27 SMR-E
E HS Screw Machine Drill, 0123-0025 0.250" 2-1/2" 1-3/8"

$1.45 SMR-F
F HS Screw Machine Drill, 0123-0030 0.257" 2-5/8" 1-7/16"

$1.45 SMR-G
G HS Screw Machine Drill, 0123-0035 0.261" 2-5/8" 1-7/16"

$1.58 SMR-H
H HS Screw Machine Drill, 0123-0040 0.266" 2-11/16" 1-1/2"

$1.58 SMR-I
I HS Screw Machine Drill, 0123-0045 0.272" 2-11/16" 1-1/2"

$1.58 SMR-J
J HS Screw Machine Drill, 0123-0050 0.277" 2-11/16" 1-1/2"

$1.58 SMR-K
K HS Screw Machine Drill, 0123-0055 0.281" 2-11/16" 1-1/2"

$1.76 SMR-L
L HS Screw Machine Drill, 0123-0060 0.290" 2-3/4" 1-9/16"

$1.76 SMR-M
M HS Screw Machine Drill, 0123-0065 0.295" 2-3/4" 1-9/16"

$1.90 SMR-N
N HS Screw Machine Drill, 0123-0070 0.302" 2-13/16" 1-5/8"

$1.90 SMR-O
O HS Screw Machine Drill, 0123-0075 0.316" 2-15/16" 1-5/8"

$1.90 SMR-P
P HS Screw Machine Drill, 0123-0080 0.323" 2-15/16" 1-5/8"

$2.09 SMR-Q
Q HS Screw Machine Drill, 0123-0085 0.332" 3" 1-11/16"

$2.09 SMR-R
R HS Screw Machine Drill, 0123-0090 0.339" 3" 1-11/16"

$2.54 SMR-S
S HS Screw Machine Drill, 0123-0095 0.348" 3-1/16" 1-3/4"

$2.54 SMR-T
T HS Screw Machine Drill, 0123-0100 0.358" 3-1/16" 1-3/4"

$2.83 SMR-U
U HS Screw Machine Drill, 0123-0105 0.368" 3-1/8" 1-13/16"

$3.10 SMR-V
V HS Screw Machine Drill, 0123-0110 0.377" 3-1/4" 1-7/8"

$3.10 SMR-W
W HS Screw Machine Drill, 0123-0115 0.386" 3-1/4" 1-7/8"

$3.60 SMR-X
X HS Screw Machine Drill, 0123-0120 0.397" 3-5/16" 1-15/16"

$4.30 SMR-Y
Y HS Screw Machine Drill, 0123-0125 0.404" 3-5/16" 1-15/16"

$4.30 SMR-Z
Z HS Screw Machine Drill, 0123-0130 0.413" 3-3/8" 2"