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Milling

Machining Power

m/min
mm
rpm
mm
mm
mm/min
mm
mm
Mpa Chart
% Chart
cc/min
kW
kW
Nm

Spindle speed

mm
m/min


Cutting speed

mm
m/min


Material removal rate

mm
mm
mm/min
cc/min

Turning

Machining Power

mm
m/min
mm/rev
mm
Mpa Chart
% Chart
rpm
cc/min
kW
kW
Nm

Spindle speed

mm
m/min
rpm


Cutting speed

mm
rpm
m/min


Material removal rate

mm
m/min
mm/rev
cc/min

Drilling

Machining Power

mm
m/min
mm/rev
mm/min
Mpa Chart
% Chart
rpm
cc/min
kW
kW
Nm
N

Spindle speed

mm
m/min
rpm


Cutting speed

mm
rpm
m/min


Material removal rate

mm
m/min
mm/rev
rpm
mm/min
cc/min

Tapping

Machining Power

mm
m/min
rpm
mm
Chart
% Chart
Chart
kW
Nm

Hardness Conversions

Tensile strength (kgf/mm2)
Brinell (BHN)
Vickers (HV)
Rockwell B
Rockwell C
 
 

Conversion table

Speed Mtrs/min
 
 
Feet/min
Feed mm/rev
 
 
inch/rev
Length mm
 
 
inch
Length mtr
 
 
feet
Power kW
 
 
HP
Torque Kgm
 
 
ft-lbs
MRR cc/min
 
 
Cu inch/min
Weight Kg
 
 
lbs

 

Material Overview

P
Steel and cast steel Hardness HB
Carbon steel

< 0.25% C annealed

> / = 0.25% C annealed

< 0.55% C heat-treated

> / = 0.55% C annealed

heat-treated

125

190

250

220

300

Low alloy steel

annealed

heat-treated

heat-treated

heat-treated

200

275

300

350

High alloy steel

annealed

heat-treated

200

375

M
Stainless steel and cast steel Hardness HB
Stainless steel

ferrit/mart

martensitic

austenitic

200

240

180

K
Cast iron Hardness HB
Grey cast iron

ferrit./pearl

pearlitic

180

260

Nodular cast iron

ferritic

pearlitic

160

250

Malleable cast iron

ferritic

pearlitic

130

230

N
Non-ferrous metals Hardness HB
Cast aluminium alloys

< / = 12% Si

age-hardened

> 12% Si

75

90

130

Copper alloys

red brass, brass

bronze

90

100

S
High-temperature alloys Hardness HB
Fe-base alloys

age-hardened

280

Ni-or Co- base alloys

annealed

age-hardened

250

350

Titanium alloys

age-hardened

RM1050




Symbol
and
Grade
Diameter limit (in mm)
Over 1 3 6 10 18 30 50 80 120 180 250 315 400
Upto
3
6 10 18 30 50 80 120 180 250 315 400 500
 Basic hole H6 +6  +8  +9  +11  +13  +16  +19 +22 +25 +29 +32 +36 +40
0  0  0  0  0  0  0 0 0 0 0 0 0
H7 +10  +12  +15  +18  +21  +25  +30 +35 +40 +46 +52 +57 +63
0  0  0  0  0  0  0 0 0 0 0 0 0
H8 +14  +18  +22  +27  +33  +39  +46 +54 +63 +72 +81 +89 +97
0  0  0  0  0  0  0 0 0 0 0 0 0
H9 +25  +30  +36  +43  +52  +62  +74 +87 +100 +115 +130 +140 +155
0  0  0  0  0  0  0 0 0 0 0 0 0
H11 +60  +75  +90  +110  +130  +160  +190 +220 +250 +290 +320 +360 +400
0  0  0  0  0  0  0 0 0 0 0 0 0
 Shafts            
Running fit With large min. clearance
With medium min. clearance
With small medium clearance
With smallest minimum clearance
d11 -20  -30  -40  -50  -65  -80  -100 -120 -145 -170 -190 -210 -230
-80  -105  -130  -160  -195  -240  -290 -340 -395 -460 -510 -570 -630
e7 -14  -20  -25  -32  -40  -50  -60 -72 -85 -100 -110 -125 -135
-24  -32  -40  -50  -61  -75  -90 -107 -125 -146 -162 -182 -198
e8 -14  -20  -25  -32  -40  -50  -60 -72 -85 -100 -110 -125 -135
-28  -38  -47  -59  -73  -89  -106 -126 -148 -172 -191 -214 -232
f7 -6  -10  -13  -16  -20  -25  -30 -36 -43 -50 -56 -62 -68
-16  -22  -28  -34  -41  -50  -60 -71 -83 -96 -108 -119 -131
f8 -6  -10  -13  -16  -20  -25  -30 -36 -43 -50 -56 -62 -68
-20  -28  -35  -43  -53  -64  -76 -90 -106 -122 -137 -151 -165
g5 -2  -4  -5  -6  -7  -9  -10 -12 -14 -15 -17 -18 -20
-6  -9  -11  -14  -16  -20  -23 -27 -32 -35 -40 -43 -47
g6 -2  -4  -5  -6  -7  -9  -10 -12 -14 -15 -17 -18 -20
-8  -12  -14  -17  -20  -25  -29 -34 -39 -44 -49 -54 -60
Transition fit Slide fit  
Push fit  
Wring fit Secure against turning
Tight fit
h5 0  0  0  0  0  0  0 0 0 0 0 0 0
-4  -5  -6  -8  -9  -11  -13 -15 -18 -20 -23 -25 -27
h6 0  0  0  0  0  0  0 0 0 0 0 0 0
-6  -8  -9  -11  -13  -16  -19 -22 -25 -29 -32 -36 -40
h8 0  0  0  0  0  0  0 0 0 0 0 0 0
-14  -18  -22  -27  -33  -39  -46 -54 -63 -72 -81 -89 -97
h9 0  0  0  0  0  0  0 0 0 0 0 0 0
-25  -30  -36  -43  -52  -62  -74 -87 -100 -115 -130 -140 -155
h11 0  0  0  0  0  0  0 0 0 0 0 0 0
-60  -75  -90  -110  -130  -160  -190 -220 -250 -290 -320 -360 -400
j5 +2  +3  +4  +5  +5  +6  +6 +6 +7 +7 +7 +7 +7
-2  -2  -2  -3  -4  -5  -7 -9 -11 -13 -16 -18 -20
j6 +4  +6  +7  +8  +9  +11  +12 +13 +14 +16 +16 +18 +20
-2  -2  -2  -3  -4  -5  -7 -9 -11 -13 -16 -18 -20
k5 +4  +6  +7  +9  +11  +13  +15 +18 +21 +24 +27 +29 +32
0  +1  +1  +1  +2  +2  +2 +3 +3 +4 +4 +4 +5
k6 +6  +9  +10  +12  +15  +18  +21 +25 +28 +33 +36 +40 +45
0  +1  +1  +1  +2  +2  +2 +3 +3 +4 +4 +4 +5
m5 +6  +9  +12  +15  +17  +20  +24 +28 +33 +37 +43 +46 +50
+2  +4  +6  +7  +8  +9  +11 +13 +15 +17 +20 +21 +23
m6 +8  +12  +15  +18  +21  +25  +30 +35 +40 +46 +52 +57 +63
+2  +4  +6  +7  +8  +9  +11 +13 +15 +17 +20 +21 +23
n5 +8  +13  +16  +20  +24  +28  +33 +38 +45 +51 +57 +62 +67
+4  +8  +10  +12  +15  +17  +20 +23 +27 +31 +34 +37 +40
n6 +10  +16  +19  +23  +28  +33  +39 +45 +52 +60 +66 +73 +80
+4  +8  +10  +12  +15  +17  +20 +23 +27 +31 +34 +37 +40

 Interference fit

 

p6 +12  +20  +24  +29  +35  +42  +51 +59 +68 +79 +88 +98 +108
+6  +12  +15  +18  +22  +26  +32 +37 +43 +50 +56 +62 +68
r6 +16  +23  +28  +34  +41  +50  
+10  +15  +19  +23  +28  +34  
s6 +20  +27  +32  +39  +48  +59  
+14  +19  +23  +28  +35  +43  
Recommended limits and fits for typical applications
 Width of T nuts a13 -270  -270  -280  -290  -300    
-410  -450  -500  -560  -630    
  f6 -6  -10  -13  -16  -20  -25  -30 -36 -43 -50 -56 -62 -68
-12  -18  -22  -27  -33  -41  -49 -58 -68 -79 -88 -98 -108
 Socket head dia. h12 0  0  0  0  0  0  0 0 0 0 0 0 0
-100  -120  -150  -180  -210  -250  -300 -350 -400 -460 -520 -570 -630
 Socket head height h13 0  0  0  0  0  0  0 0 0 0 0 0 0
-140  -180  -220  -270  -330  -390  -460 -540 -630 -720 -810 -890 -970
 Hydraulic Fittings A11 +330  +345  +370  +400  +430    
+270  270  +280  +290  +300    
B11 +200  +215  +240  +260  +290    
+140  +140  +150  +150  +160    
 Key- way width in spacer rings C11 +120  +145  +170  +205  +240    
+60  +70  +80  +95  +110    
 Width of internal splines D9 +45  +60  +76  +93  +117  +142  +174 +207 +245 +285 +320 +350 +385
+20  +30  +40  +50  +65  +80  +100 +120 +145 +170 +190 +210 +230
 Hexagonal socket width D12 +120  +150  +190  +230  +275  +330  +400 +470 +545 +630 +710 +780 +860
+20  +30  +40  +50  +65  +80  100 +120 +145 +170 +190 +210 +230
 Circlips H10 +40  +48  +58  +70  +84  +100  +120 +140 +160 +185 +210 +230 250
0  0  0  0  0  0  0 0 0 0 0 0 0
 Counter bore diameter H12 +100  +120  +150  +180  +210  +250  +300 +350 +400 +460 +520 +570 +630
0  0  0  0  0  0  0 0 0 0 0 0 0
 Major dia. of internal splines H13 +140  +180  +220  +270  +330  +390  +460 +540 +630 +720 +810 +890 +970
0  0  0  0  0  0  0 0 0 0 0 0 0
 Key-way width Js9 +12.5  +15  +18  +21.5  +26  +31  +37 +43.5 +50 +57.5 +65 +70 +77.5
-12.5  -15  -18  -21.5  -26  -31  -37 -43.5 -50 -57.5 -65 -70 -77.5
 Symmetrical tolerances in slots js14 +125  +150  +180  +215  +260  +310  +370 +435 +500 +575 +650 +700 +775
-125  -150  -180  -215  -260  -310  -370 -435 -500 -575 -650 -700 -775
js16 +300  +375  +450  +550  +650  +800  +950 +1100 +1250 +1450 +1600 +1800 +2000
-300  -375  -450  -550  -650  -800  -950 -1100 -1250 -1450 -1600 -1800 -2000
 * Values indicated are in Micron

Surface Finish in Machining

Surface symbol


Roughness grade
N12 N11 N10 N9 N8 N7 N6 N5 N4 N3 N2 N1
Ra (in microns)
50 25 12.5 6.3 3.2 1.6 0.8 0.4 0.2 0.1 0.05 0.025 0.012
Planning, shaping
Drilling
Milling
Broaching
Reaming
Boring, turning
Roller burnishing
Grinding
Honing
Lapping
Lapping


Average application
Less frequent application