Screw machine length, for rigidity and strength
    High-speed steel (HSS) for use on a wide variety of materials
    Uncoated (bright), for use with a wide range of drilling materials
    118-degree conventional point angles, for general drilling applications
    Round shanks, for use on a variety of tool-holding systems

 

Diameter	Effective length	Full length	Order No.
3/64	1/2	1-3/8	TWDB-50001
1/16	5/8	1-5/8	50002
5/64	11/16	1-11/16	50003
3/32	3/4	1-3/4	50004
7/64	13/16	1-13/16	50005
1/8	7/8	1-7/8	50006
9/64	15/16	1-15/16	50007
5/32	1	2-1/16	50008
11/64	1-1/16	2-1/8	50009
3/16	1-1/8	2-3/16	50010
13/64	1-3/16	2-1/4	50011
7/32	1-1/4	2-3/8	50012
15/64	1-5/16	2-7/16	50013
1/4	1-3/8	2-1/2	50014
17/64	1-7/16	2-5/8	50015
9/32	1-1/2	2-11/16	50016
19/64	1-9/16	2-3/4	50017
5/16	1-5/8	2-13/16	50018
21/64	1-11/16	2-15/16	50019
11/32	1-11/16	3	50020
23/64	1-3/4	3-1/16	50021
3/8	1-13/16	3-1/8	50022
25/64	1-7/8	3-1/4	50023
13/32	1-15/16	3-5/16	50024
27/64	2	3-3/8	50025
7/16	2-1/16	3-7/16	50026
29/64	2-1/8	3-9/16	50027
15/32	2-1/8	3-5/8	50028
31/64	2-3/16	3-11/16	50029
1/2	2-1/4	3-3/4	50030