Phone: 407-478-2487 Fax: 407-678-7414 Email: info@advancedrills.com
PO Box 852 * Goldenrod, FL 32733-0852

Drill Feed and Speed Chart

Drilling Speed and Feed Calculator

 

MATERIAL BRIELLE DRILLS REAMERS TAPS – S.F.M.
S.F.M POINT FEED S.F.M. FEED THREADS PER INCH
3-7 1/2 8-15 16-24 25-UP
  Aluminum 99-101 200-250 118º M 150-160 M 50 100 150 200
  Aluminum bronze 170-187 60 118º M 40-45 M 12 25 45 60
  Bakelite 80 60-90º M 50-60 M 50 100 150 200
  Brass 192-202 200-250 118º H 150-160 H 50 100 150 200
  Bronze, common 166-183 200-250 118º H 150-160 H 40 80 100 150
  Bronze, phosphor,
1/2 hard
187-202 175-180 118º M 130-140 M 25 40 50 80
  Bronze, phosphor, soft 149-163 200-250 118º H 150-160 H 40 80 100 150
  Cast iron, soft 126 140-150 90º H 100-110 H 30 60 90 140
  Cast iron, medium soft 196 80-110 118º M 50-65 M 25 40 50 80
  Cast iron, hard 293-302 45-50 118º L 67-75 L 10 20 30 40
  Cast iron, chilled* 402 15 150º L 8-10 L 5 5 10 10
  Cast steel 286-302 40-50* 118º L 70-75 L 20 30 40 50
  Celluloid 100 90º M 75-80 M 50 100 150 200
  Copper 80-85 70 100º L 45-55 L 40 80 100 150
  Drop forging (steel) 170-196 60 118º M 40-45 M 12 25 45 60
  Duralumin 90-104 200 118º M 150-160 M 50 100 150 200
  Everdure 179-207 60 118º L 40-45 L 20 30 40 50
  Machinery steel 170-196 110 118º H 67-75 H 35 50 60 85
  Magnet steel, soft 241-302 35-40 118º M 20-25 M 20 40 50 75
  Magnet steel, hard* 321-512 15 150º L 10 L 5 10 15 25
  Manganese steel,
7-13*
187-217 15 150º L 10 L 15 20 25 30
  Manganese copper,
30 Mn.*
134 15 150º L 10-12 L
  Malleable iron 112-126 85-90 118º H H 20 30 40 50
  Mild steel, .20-.30C 170-202 110-120 118º H 75-85 H 40 55 70 90
  Molybdenum steel 196-235 55 125º M 35-45 M 20 30 35 45
  Monell metal 149-170 50 118º M 35-38 M 8 10 15 20
  Nickel, pure* 187-202 75 118º L 40 L 25 40 50 80
  Nickel steel, 3-1/2% 196-241 60 118º L 40-45 L 8 10 15 20
  Rubber, hard 100 60-90º L 70-80 L 50 100 150 200
  Screw stock, C.R. 170-196 110 118º H 75 H 20 30 40 50
  Spring steel 402 20 150º L 12-15 L 10 10 15 15
  Stainless steel 146-149 50 118º M 30 M 8 10 15 20
  Stainless steel, C.R.* 460-477 20 118º L 15 L 8 10 15 20
  Steel, .40 to .50C 170-196 80 118º M 8-10 M 20 30 40 50
  Tool, S.A.E., and
Forging steel
149 75 118º H 35-40 H 25 35 45 55
  Tool, S.A.E., and
Forging steel
241 50 125º M 12 M 15 15 25 25
  Tool, S.A.E., and
Forging steel*
402 15 150º L 10 L 8 10 15 20
  Zinc alloy 112-126 200-250 118º M 150-175 M 50 100 150 200

 

Drill Feed Per Revolution in Inches Reamer Feed
REFERENCE
SYMBOL
DIAMETER OF DRILL – INCHES ALL DIAMETERS
UNDER 1/8 1/8 TO 1/4 1/4 TO 1/2 1/2 TO 1 OVER 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