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

 
These drills are general purpose construction.  Silver & Deming drills have reduced shank design for use in portable drilling equipment.  118 deg. standard drill point.
1/4" Shank Drills
catalog page: 47
Size Part Number Decimal Equivalent Overall Length Flute Length
17/64 562017 .2656 3-1/2 1-7/8
9/32 562018 .2813 3-19/32 1-31/32
19/64 562019 .2969 3-23/32 2-1/16
5/16 562020 .3125 3-27/32 2-3/16
21/64 562021 .3281 3-15/16 2-9/32
11/32 562022 .3438 4-1/32 2-11/32
23/64 562023 .3594 4-5/32 2-15/32
3/8 562024 .3750 4-1/4 2-9/16
25/64 562025 .3906 4-11/32 2-5/8
13/32 562026 .4063 4-15/32 2-3/4
27/64 562027 .4219 4-9/16 2-27/32
7/16 562028 .4375 4-11/16 2-15/16
29/64 562029 .4531 4-25/32 3-1/32
15/32 562030 .4688 4-7/8 3-1/8
31/64 562031 .4844 5 3-7/32
1/2 562032 .5000 5 3-7/32
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