Contact Us

Ohio Drill & Tool Company
23255 Georgetown Rd.

P.O. Box 154 
Homeworth, OH 44634
(330) 525-7717

(800) 826-5237
Fax: (330) 525-5432

 

Common Machine Screw Sizes And Common Fractional Sizes

Common Fractional Sizes N.C. & N.F. Series
catalog page: 50
Nominal Tap Sizes Bottom Tap Part Number Tap-Drill To Produce Approx. 75% Full Thread
7/8 - 9 316161 3/4
1/4 - 20 319001 7
1/4 - 28 319011 3
5/16 - 18 319021 F
5/16 - 24 319031 I
3/8 - 16 319041 5/16
3/8 - 24 319051 Q
7/16 - 14 319061 U
7/16 - 20 319071 25/64
1/2 - 13 319081 27/64
1/2 - 20 319091 29/64
9/16 - 12 319101 31/64
9/16 - 18 319111 33/64
5/8 - 11 319121 17/32
5/8 - 18 319131 37/64
3/4 - 10 319141 21/32
3/4 - 16 319151 11/16
7/8 - 14 319171 13/16
1 - 8 319181 7/8
1 - 12 319191 15/16
1 - 14 319194 15/16
1-1/8 - 7 319201 63/64
1-1/8 - 12 319211 1-3/64
1-1/4 - 7 319221 1-7/64
1-1/4 - 12 319231 1-11/64
Common Fractional Sizes N.C. & N.F. Series
catalog page: 50
Nominal Tap Sizes Plug Tap Part Number Tap-Drill To Produce Approx. 75% Full Thread
1/4 - 20 319002 7
1/4 - 28 319012 3
5/16 - 18 319022 F
5/16 - 24 319032 I
3/8 - 16 319042 5/16
3/8 - 24 319052 Q
7/16 - 14 319062 U
7/16 - 20 319072 25/64
1/2 - 13 319082 27/64
1/2 - 20 319092 29/64
9/16 - 12 319102 31/64
9/16 - 18 319112 33/64
5/8 - 11 319122 17/32
5/8 - 18 319132 37/64
3/4 - 10 319142 21/32
3/4 - 16 319152 11/16
7/8 - 9 319162 3/4
7/8 - 14 319172 13/16
1 - 8 319182 7/8
1 - 12 319192 15/16
1 - 14 319195 15/16
1-1/8 - 7 319202 63/64
1-1/8 - 12 319212 1-3/64
1-1/4 - 7 319222 1-7/64
1-1/4 - 12 319232 1-11/64
Common Fractional Sizes N.C. & N.F. Series
catalog page: 50
Nominal Tap Sizes Taper Tap Part Number Tap-Drill To Produce Approx. 75% Full Thread
1/4 - 20 319003 7
1/4 - 28 319013 3
5/16 - 18 319023 F
5/16 - 24 319033 I
3/8 - 16 319043 5/16
3/8 - 24 319053 Q
7/16 - 14 319063 U
7/16 - 20 319073 25/64
1/2 - 13 319083 27/64
1/2 - 20 319093 29/64
9/16 - 12 319103 31/64
9/16 - 18 319113 33/64
5/8 - 11 319123 17/32
5/8 - 18 319133 37/64
3/4 - 10 319143 21/32
3/4 - 16 319153 11/16
7/8 - 9 319163 3/4
7/8 - 14 319173 13/16
1 - 8 319183 7/8
1 - 12 319193 15/16
1 - 14 319196 15/16
1-1/8 - 7 319203 63/64
1-1/8 - 12 319213 1-3/64
1-1/4 - 7 319223 1-7/64
1-1/4 - 12 319233 1-11/64
Common Machine Screw Sizes Tap Drill & Body Clearance
catalog page: 50
Nominal Tap Sizes Bottom Tap Part Number Tap-Drill To Produce Approx. 75% Full Thread
4 - 40 318071 43
4 - 48 318081 42
5 - 40 318091 38
5 - 44 318101 37
6 - 32 318111 36
6 - 40 318121 33
8 - 32 318131 29
8 - 36 318141 29
10 - 24 318151 25
10 - 32 318161 21
12 - 24 318171 16
12 - 28 318181 14
Common Machine Screw Sizes Tap Drill & Body Clearance
catalog page: 50
Nominal Tap Sizes Plug Tap Part Number Tap-Drill To Produce Approx. 75% Full Thread
4 - 40 318072 43
4 - 48 318082 42
5 - 40 318092 38
5 - 44 318102 37
6 - 32 318112 36
6 - 40 318122 33
8 - 32 318132 29
8 - 36 318142 29
10 - 24 318152 25
10 - 32 318162 21
12 - 24 318172 16
12 - 28 318182 14
Common Machine Screw Sizes Tap Drill & Body Clearance
catalog page: 50
Nominal Tap Sizes Taper Tap Part Number Tap-Drill To Produce Approx. 75% Full Thread
4 - 40 318073 43
4 - 48 318083 42
5 - 40 318093 38
5 - 44 318103 37
6 - 32 318113 36
6 - 40 318123 33
8 - 32 318133 29
8 - 36 318143 29
10 - 24 318153 25
10 - 32 318163 21
12 - 24 318173 16
12 - 28 318183 14
国产综合色在线视频区_伊在香蕉国产在线视频_av在线观看国产剧情演绎