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

 
12" oal drills designed for deep hole drilling.  118 deg. standard drill point.
12" Longboy Series
catalog page: 29
Size Part Number Decimal Equivalent Overall Length Flute Length
3/32 561006 .0937 12 6
1/8 561008 .1250 12 9
9/64 561009 .1406 12 9
5/32 561010 .1562 12 9
11/64 561011 .1719 12 9
3/16 561012 .1875 12 9
13/64 561013 .2031 12 9
7/32 561014 .2187 12 9
15/64 561015 .2344 12 9
1/4 561016 .2500 12 9
17/64 561017 .2656 12 9
9/32 561018 .2812 12 9
19/64 561019 .2969 12 9
5/16 561020 .3125 12 9
21/64 561021 .3281 12 9
11/32 561022 .3438 12 9
23/64 561023 .3594 12 9
3/8 561024 .3750 12 9
25/64 561025 .3906 12 9
13/32 561026 .4062 12 9
27/64 561027 .4219 12 9
7/16 561028 .4375 12 9
29/64 561029 .4531 12 9
15/32 561030 .4687 12 9
31/64 561031 .4844 12 9
1/2 561032 .5000 12 9
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