TAPS
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
7/8-9
7/8-14
1”-8
1”-12
1”-14
FRACTIONAL SIZES
DECIMAL
TAP DRILL
EQUIVALENT OF TAP
DRILL
9
8
7
13/64
6
5
4
3
F
G
H
I
5/16
O
21/64
Q
T
23/64
U
3/8
V
W
25/64
27/64
29/64
15/32
31/64
1/2
17/32
35/64
9/16
41/64
21/32
11/16
49/64
25/32
51/64
13/16
55/64
7/8
55/64
23/32
59/64
59/64
15/16
BARNHILL BOLT CO, INC. ● PHONE: 505-884-1808
.1960
.1990
.2010
.2031
.2040
.2055
.2090
.2130
.2570
.2610
.2660
.2720
.3125
.3160
.3281
.3320
.3580
.3594
.3680
.3750
.3770
.3860
.3906
.4219
.4531
.4688
.4844
.5000
.5313
.5469
.5625
.6406
.6563
.6875
.7656
.7812
.7969
.8125
.8594
.8750
.8906
.9063
.9219
.9219
.9375
PROBABLE HOLE SIZE
.1998
.2028
.2048
.2069
.2078
.2093
.2128
.2168
.2608
.2651
.2701
.2761
.3169
.3204
.3325
.3364
.3626
.3640
.3726
.3796
.3816
.3906
.3952
.4266
.4578
.4736
.4892
.5048
.5362
.5518
.5674
.6456
.6613
.6925
.7708
.7864
.8021
.8177
.8653
.8809
.8965
.9122
.9279
.9279
.9435
● FAX: 505-888-1559 ● EMAIL: [email protected]
THE INFORMATION PRESENTED IS BELIEVED TO BE ACCURATE AT THE TIME OF DOCUMENT CREATION. HOWEVER, BARNHILL BOLT CO, INC. IS NOT RESPONSIBLE FOR ANY CLAIM TRACEABLE
TO ANY ERRORS [TYPOGRAPHICAL OR OTHERWISE] AS CONTAINED HEREIN. BARNHILL BOLT CO, INC. MAKES NO WARRANTIES AS TO THE ACCURACY OF THIS INFORMATION.
.
TAPS
1-1/8-7
1-1/8-12
1-1/4-7
1-1/4-12
1-3/8-6
1-3/8-12
1-1/2-6
1-1/2-12
FRACTIONAL SIZES CONTINUED
DECIMAL
TAP DRILL
EQUIVALENT OF TAP
DRILL
31/32
63/64
1”
1-1/32
1-3/64
1-3/32
1-7/64
1-1/8
1-5/32
1-11/64
1-3/16
1-13/64
1-7/32
1-15/64
1-9/32
1-19/64
1-5/16
1-21/64
1-11/32
1-23/64
1-13/32
1-27/64
BARNHILL BOLT CO, INC. ● PHONE: 505-884-1808
.9688
.9844
1.0000
1.0313
1.0469
1.0938
1.1094
1.1250
1.1563
1.1719
1.1875
1.2031
1.2188
1.2344
1.2813
1.2969
1.3125
1.3281
1.3438
1.3594
1.4063
1.4219
PROBABLE HOLE SIZE
.9750
.9911
1.0070
1.0384
1.0541
● FAX: 505-888-1559 ● EMAIL: [email protected]
THE INFORMATION PRESENTED IS BELIEVED TO BE ACCURATE AT THE TIME OF DOCUMENT CREATION. HOWEVER, BARNHILL BOLT CO, INC. IS NOT RESPONSIBLE FOR ANY CLAIM TRACEABLE
TO ANY ERRORS [TYPOGRAPHICAL OR OTHERWISE] AS CONTAINED HEREIN. BARNHILL BOLT CO, INC. MAKES NO WARRANTIES AS TO THE ACCURACY OF THIS INFORMATION.
.