Drill Feed and Speed Chart

MATERIALBRIELLEDRILLSREAMERSTAPS – S.F.M.
S.F.MPOINTFEEDS.F.M.FEEDTHREADS PER INCH
3-7 1/28-1516-2425-UP
  Aluminum99-101200-250118ºM150-160M50100150200
  Aluminum bronze170-18760118ºM40-45M12254560
  Bakelite8060-90ºM50-60M50100150200
  Brass192-202200-250118ºH150-160H50100150200
  Bronze, common166-183200-250118ºH150-160H4080100150
  Bronze, phosphor,
1/2 hard
187-202175-180118ºM130-140M25405080
  Bronze, phosphor, soft149-163200-250118ºH150-160H4080100150
  Cast iron, soft126140-15090ºH100-110H306090140
  Cast iron, medium soft19680-110118ºM50-65M25405080
  Cast iron, hard293-30245-50118ºL67-75L10203040
  Cast iron, chilled*40215150ºL8-10L551010
  Cast steel286-30240-50*118ºL70-75L20304050
  Celluloid10090ºM75-80M50100150200
  Copper80-8570100ºL45-55L4080100150
  Drop forging (steel)170-19660118ºM40-45M12254560
  Duralumin90-104200118ºM150-160M50100150200
  Everdure179-20760118ºL40-45L20304050
  Machinery steel170-196110118ºH67-75H35506085
  Magnet steel, soft241-30235-40118ºM20-25M20405075
  Magnet steel, hard*321-51215150ºL10L5101525
  Manganese steel,
7-13*
187-21715150ºL10L15202530
  Manganese copper,
30 Mn.*
13415150ºL10-12L
  Malleable iron112-12685-90118ºHH20304050
  Mild steel, .20-.30C170-202110-120118ºH75-85H40557090
  Molybdenum steel196-23555125ºM35-45M20303545
  Monell metal149-17050118ºM35-38M8101520
  Nickel, pure*187-20275118ºL40L25405080
  Nickel steel, 3-1/2%196-24160118ºL40-45L8101520
  Rubber, hard10060-90ºL70-80L50100150200
  Screw stock, C.R.170-196110118ºH75H20304050
  Spring steel40220150ºL12-15L10101515
  Stainless steel146-14950118ºM30M8101520
  Stainless steel, C.R.*460-47720118ºL15L8101520
  Steel, .40 to .50C170-19680118ºM8-10M20304050
  Tool, S.A.E., and
Forging steel
14975118ºH35-40H25354555
  Tool, S.A.E., and
Forging steel
24150125ºM12M15152525
  Tool, S.A.E., and
Forging steel*
40215150ºL10L8101520
  Zinc alloy112-126200-250118ºM150-175M50100150200

 

Drill Feed Per Revolution in InchesReamer Feed
REFERENCE
SYMBOL
DIAMETER OF DRILL – INCHESALL DIAMETERS
UNDER 1/81/8 TO 1/41/4 TO 1/21/2 TO 1OVER 1″
DIAMETER
Use a feed equal to
two or three times that
recommended for drills.
L – Light.001.002.003.005.006
M – Medium.0015.003.006.010.012
H – Heavy.0025.005.010.020.025
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