die drill - side and front view
Die Drills are designed for drilling into 48-65 RC hardened steels. They produce very accurate holes and can be used as a reamer.
Die Drills - Carbide Tipped page 120
Carbide Tipped Die Drills are designed for drilling into 48-65 RC hardened steels, such as dies, bearing races, and safes. Often used as a reamer or core drill to produce close diameter holes. Tolerance +.000-.001
SIZE DECIMAL EQUIVALENT FLUTE LENGTH OVERALL LENGTH
3/16 .1875 1-1/2 3-1/2
13/64 .2031 1-3/4 3-3/4
7/32 .2188 1-3/4 3-3/4
15/64 .2344 2 4
1/4 .2500 2 4
17/64 .2656 2-1/4 4-1/4
9/32 .2812 2-1/4 4-1/4
19/64 .2969 2-1/2 4-1/2
5/16 .3125 2-1/2 4-1/2
21/64 .3281 2-3/4 4-3/4
11/32 .3438 2-3/4 4-3/4
23/64 .3594 3 5
3/8 .3750 3 5
25/64 .3906 3 5-1/4
13/32 .4062 3 5-1/4
27/64 .4219 3 5-1/2
7/16 .4375 3 5-1/2
29/64 .4531 3-1/4 5-3/4
15/32 .4688 3-1/4 5-3/4
31/64 .4844 3-1/2 6
1/2 .5000 3-1/2 6
17/32 .5312 3-1/2 6
9/16 .5625 3-1/2 6
19/32 .5938 4 7
5/8 .6250 4 7
21/32 .6562 4-1/2 7-1/2
11/16 .6875 4-1/2 7-1/2
23/32 .7188 4-3/4 8
3/4 .7500 4-3/4 8
13/16 .8125 4-3/4 8
7/8 .8750 4-3/4 8
15/16 .9375 4-3/4 8
1 1.0000 4-3/4 8
Die Drills - Solid Carbide page 120
Solid Carbide Die Drills are designed for drilling shallow holes in 48-60 RC hardened steels, stainless steels, and high temperature alloys. Drills produce such accurate holes that extra reaming operations can usually be eliminated. Use rigid setups.
SIZE DECIMAL EQUIVALENT FLUTE LENGTH OVERALL LENGTH
3/64 .0469 1/2 1-1/2
1/16 .0625 1/2 1-1/2
5/64 .0781 1/2 1-1/2
3/32 .0937 1/2 2
7/64 .1094 5/8 2
1/8 .1250 5/8 2
9/64 .1406 3/4 2
5/32 .1562 3/4 2-1/2
11/64 .1719 3/4 2-1/2
3/16 .1875 3/4 2-1/2
13/64 .2031 3/4 2-1/2
7/32 .2188 1 2-1/2
15/64 .2344 1 2-1/2
1/4 .2500 1 2-1/2
17/64 .2655 1 2-1/2
9/32 .2812 1 2-1/2
19/64 .2969 1-1/4 3
5/16 .3125 1-1/4 3
21/64 .3281 1-1/4 3
11/32 .3438 1-1/4 3
23/64 .3594 1-1/4 3
3/8 .3750 1-1/4 3
25/64 .3906 1-1/4 3
13/32 .4062 1-1/4 3
27/64 .4219 1-1/4 3
7/16 .4375 1-1/4 3
29/64 .4531 1-1/4 3
15/32 .4687 1-1/4 3
31/64 .4844 1-1/4 3
1/2 .5000 1-1/4 3