Page 29 - Catalog 15

1.156 - 1.375 Diameter

L
L-1

D.O.C.
0°

D S

Coolant Thru Standard

Tool Info. Flat Bottom Drills
Tool # D Flutes L L-1 D.O.C. S Coolant Plug Insert
FB-1156 1.156 2-1 Effective 6.000 3.750 2.312
FB-1156-3 1.156 2-1 Effective 7.125 4.875 3.468
FB-1187 1.187 2-1 Effective 6.000 3.750 2.375
FB-1187-3 1.187 2-1 Effective 7.125 4.875 3.562
FB-1250 1.250 2-1 Effective 6.000 3.750 2.500
FB-1250-3 1.250 2-1 Effective 7.500 5.250 3.750
1.250 NPT 1/4 SPEB-332CB
FB-1281 1.281 2-1 Effective 6.000 3.750 2.562
FB-1281-3 1.281 2-1 Effective 7.562 5.312 3.843
FB-1312 1.312 2-1 Effective 6.000 3.750 2.625
FB-1312-3 1.312 2-1 Effective 7.562 5.312 3.937
FB-1375 1.375 2-1 Effective 6.000 3.750 2.750
FB-1375-3 1.375 2-1 Effective 7.625 5.375 4.125

I.C. T Speed and Feed Info.

Material S.F.M. I.P.R.
Mild & Low Carbon Steel 800 - 1200 .003 - .005
R Ex. 1018, 1020, 1117, 1141, 12L14
High Carbon & Alloy Steel 500 - 800 .003 - .005
Insert Info Ex. 1045, 4140, 4340, 52100, 8620
SPEB-332CB Lower Carbon Tool Steel 400 - 700 .003 - .005
Ex. P-20, H-13, S-7
Grades X33 X40 Tool Steel
I.C. .375 Ex. A-2, A-6, D-2, M-2 300 - 600 .002 - .004
T .187 Stainless Steel 300 - 600 .002 - .004
Ex. 304, 316, 420, 15-5PH, 17-4PH
R .031
Iron
Screw 538T Ex. Cast, Ductile, Nodular 600 - 1000 .003 - .006
Wrench T-10 Nickel & Titanium Alloy 120 - 180 .002 - .003
Ex. Inconel, Hastelloy, TI-6AL-4V
Non-Ferrous Metal 1000 - 2500 .004 - .008
Ex. Aluminum, Bronze, Brass

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