HSS TWIST DRILLS


HSS Jobber length drills,roll forged,black,118° point
Standard: ANSIB94.11M
 
 
   
FRACTIONAL SIZES FRACTIONAL SIZES
   
Size Dec. Flute Overall
Equiv. Length Length
       
  1/64 .0156   3/4   3/16
  1/32 .0312   1-3/8   1/2
  3/64 .0469   1-3/4   3/4
  1/16 .0625   1-7/8   7/8
  5/64 .0781   2   1
  3/32 .0938   2-1/4   1-1/4
  7/64 .1094   2-5/8   1-1/2
  1/8 .1250   2-3/4   1-5/8
  9/64 .1406   2-7/8   1-3/4
  5/32 .1562   3-1/8   2
  11/64 .1719   3-1/4   2-1/8
  3/16 .1875   3-1/2   2-5/16
  13/64 .2031   3-5/8   2-7/16
  7/32 .2188   3-3/4   2-1/2
  15/64 .2344   3-7/8   2-5/8
  1/4 .2500   4   2-3/4
  17/64 .2656   4-1/8   2-7/8
  9/32 .2812   4-1/4   2-15/16
  19/64 .2969   4-3/8   3-1/16
  5/16 .3125   4-1/2   3-3/16
  21/64 .3281   4-5/8   3-5/16
  11/32 .3438   4-3/4

 

 3-7/16
  23/64 .3594   4-7/8   3-1/2
  3/8 .3750   5   3-5/8
  25/64 .3906   5-1/8   3-3/4
  13/32 .4062   5-1/4   3-7/8
  27/64 .4219   5-3/8   3-15/16
  7/16 .4375   5-1/2

 

 4-1/16
  29/64 .4531   5-5/8   4-3/16
  15/32 .4688   5-3/4   4-5/16
  31/64 .4844   5-7/8   4-3/8
  1/2 .5000   6   4-1/2
  33/64 .5156   6-5/8   4-13/16
  17/32 .5312   6-5/8   4-13/16
  35/64 .5469   6-5/8   4-13/16
  9/16 .5625   6-5/8   4-13/16
  37/64 .5781   6-5/8   4-13/16
  19/32 .5938   7-1/8   5-3/16
  39/64 .6094   7-1/8   5-3/16
       
Size Dec. Flute Overall
Equiv. Length Length
       
  5/8 .6250 7-1/8   5/3/16
  41/64 .6406 7/1/8   5-3/16
  21/32 .6562 7-1/8   5-3/16
  43/64 .6719 7-5/8   5-5/8
  11/16 .6875 7-5/8   5-5/8
  3/4 .7500 7-5/8   5-5/8
       
       
LETTER SIZES
Size Dec. Flute Overall
Equiv. Length Length
           
A .2340   3-7/8   2-5/8
B .2380   4   2-3/4
C .2420   4   2-3/4
D .2460   4   2-3/4
E .2500   4   2-3/4
F .2570   4-1/8   2-7/8
G .2610   4-1/8   2-7/8
H .2660   4-1/8   2-7/8
I .2720   4-1/8   2-7/8
J .2770   4-1/8   2-7/8
K .2810   4-1/4   2-15/16
L .2900   4-1/4   2-15/16
M .2950   4-3/8   3-1/16
N .3020   4-3/8   3-1/16
O .3160   4-1/2   3-3/16
P .3230   4-5/8   3-5/16
Q .3320   4-3/4   3-7/16
R .3390   4-3/4   3-7/16
S .3480   4-7/8   3-1/2
T .3580   4-7/8   3-1/2
U .3680   5   3-5/8
V .3770   5   3-5/8
W .3860   5-1/8   3-3/4
X .3970   5-1/8   3-3/4
Y .4040   5-1/4   3-7/8
Z .4030   5-1/4   3-7/8
       
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