Brown & Sharpe Automatic Screw Machines

Surface Feet per Minute & Feeds Per Revolution
From Kathi Stringer's Terminator Log Book - 1972

Free Cutting Brass Maximum Spindle Speed Available on Machine

11 - St Aluminum 800 SF
17- St Aluminum & 55- St
Aluminum 500 SF
24 - St Aluminum 400 S.F.
Copper
300 S.F. 
Naval
Brass
200 S.F.
High Sulphur Steel
B-1113
225 S.F
C-1113
196 S.F.
B-1112
165 S.F
Type 416 Stainless
Steels
130 S.F.

112 S.F. Steels

95 S.F. Steels

All Other Stainless Steels Tool Steel 75 S.F. Monel Phosphor Bronze
HSS Tool Steel

CUT
Material
S.F. = Surface Feet
W=Width of Cut
D=Depth of Cut
H=Dia of Hole
 

TOOL
  .0062 .0055 .005 .005 .0048 .0045 .0042 .004 .005D Boring Tools
.012
.010
.008
.008
.016
.010
.0105
.0085
.0075
.0063
.0052
.010
.0093
.0075
.0066
.0056
.0046
.0093
.0085
.0068
.006
.0051
.0042
.0085
.0085
.0068
.006
.0051
.0042
.0085
.0077
.0061
.0053
.0044
.0036
.0079
.0068
.0054
.0045
.0036
.0029
.0073
.0059
.0047
.0038
.0028
.0022
.0066
.005
.004
.003
.002
.0015
.006
1/32 D
1/16 D
1/8 D
3/16 D
1/4 D
.005 D

BOX TOOLS
One Chip Finishing
"V" Back Rest - Brass
Roller Rest  - Steel
Finish Cut - "V" Rest
.003
.006
.0018
.0044
.0016
.0038
.0015
.0035
.0013
.003
.0013
.0031
.0012
.0027
.0011
.0024
.001
.002
3/64 - 1/8
Over 1/8

Center Drills
.0015
.0035
.002
.0008
.0018
.001
.0007
.0016
.0005
.0006
.0015
.0008
.0005
.0013
.0007
.0005
.0013
.0007
.0005
.0012
.0006
.0004
.0011
.0006
.0004
.001
.0005
 
3/64 - 1/8
.020 - .040
Cuttoff Tools Angular
Over 1/8 Circular
Under 1/6 Straight
.0017
.0024
.0048
.0072
.011
.014
.016
.016
.014
.012
.010
.0012
.0017
.0025
.0031
.0044
.005
.0062
.0069
.0075
.0075
.0075
.0011
.0015
.0022
.0027
.0038
.0044
.0055
.006
.0066
.0066
.0066
.001
.0014
.002
.0025
.0035
.004
.005
.0055
.006
.006
.006
.0009
.0012
.0017
.0021
.003
.0034
.0043
.0047
.0051
.0051
.0051
.0009
.0012
.0018
.0022
.0031
.0038
.0045
.005
.0055
.0055
.0055
.0008
.0011
.0016
.002
.0027
.0035
.004
.0045
.005
.005
.005
.0007
.0009
.0014
.0018
.0024
.0032
.0035
.004
.0045
.0045
.0045
.0006
.0008
.0012
.0016
.002
.003
.003
.0035
.004
.004
.004
.020 H
.040 H
1/16 H
3/32 H
1/8 H
3/16 H
1/4H
5/16 H
3/8 H
1/2 H
5/8 H

Drills - Twist

                     
                     
                     
                     
                     
                     
                     
                     

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