Hole-Making

M8DF Series

8D Drill

 
Steel
Stainless Steel
Hardened Steel ≤ 54 HRc
Hardened Steel > 54 HRc
Cast
Graphite
Non Ferrous Material
HRSA
Titanium
  • Recommended
  • Acceptable
  • Not Recommended

M8DF Series

Stock Code d1m7 d2h6 l1 l2 l3
M8DF050095 5 6 95 48 57
* M8DF060095 6 6 95 48 57
* M8DF065095 6.5 8 114 64 76
* M8DF068114 6.8 8 114 64 76
M8DF070114 7 8 114 64 76
M8DF075114 7.5 8 114 64 76
M8DF076114 7.6 8 114 64 76
M8DF078114 7.8 8 114 64 76
* M8DF080114 8 8 114 64 76
* M8DF085142 8.5 10 142 80 95
M8DF088142 8.8 10 142 80 95
M8DF090142 9 10 142 80 95
M8DF095142 9.5 10 142 80 95
M8DF099142 9.9 10 142 80 95
* M8DF100142 10 10 142 80 95
* M8DF102162 10.2 12 162 96 114
* M8DF105162 10.5 12 162 96 114
M8DF110162 11 12 162 96 114
* M8DF120162 12 12 162 96 114
* M8DF125178 12.5 14 178 112 131
M8DF128178 12.8 14 178 112 131
M8DF130178 13 14 178 112 131
M8DF140178 14 14 178 112 131
M8DF145203 14.5 16 203 128 152
M8DF150203 15 16 203 128 152
M8DF155203 15.5 16 203 128 152
M8DF160203 16 16 203 128 152
M8DF170222 17 18 222 144 171
M8DF175222 17.5 18 222 144 171
M8DF180222 18 18 222 144 171
M8DF185243 18.5 20 243 160 190
M8DF190243 19 20 243 160 190
M8DF195243 19.5 20 243 160 190
M8DF200243 20 20 243 160 190

Feed Per Tooth (mm/tooth)

Ø
3 0.112
4 0.119
5 0.126
6 0.14
7 0.154
8 0.168
9 0.189
10 0.21
12 0.231
14 0.252
16 0.273
18 0.294
20 0.315

Cutting Parameters

Material Cutting Parameters Vc(M/min) Recommends
Unalloyed steel 80-105
Steel 70-100
Tempered steel 70-95
Cold work tool steel 50-80
Hot work tool steel 50-80
AISI 304 - 416 - 420 50-55
AISI 316 - 440 50-55
17-4 PH 15-5 PH 40-50
Chrome-Cobalt alloy 40-50
Duplex F51 30-40
Super duplex F55 30-40
Gray cast 140-170
Alloyed cast 110-140
Precision cast 80-110
Titanium 50-70
Titanium alloys 40-60
≤ 54 HRC 60-80
>54 HRC 40-55
Steel
Stainless Steel
Hardened Steel ≤ 54 HRc
Hardened Steel > 54 HRc
Cast
Graphite
Non Ferrous Material
HRSA
Titanium
  • Recommended
  • Acceptable
  • Not Recommended