Hole Processing

M 2550 Series

5D Drill

M 2550 Series

STOK KOD d1m7 l2 l3 l1 d2h6
* M255021558 2.15 11 16 58 3
  M25503566 3.5 14 20 66 6
  M25503662 3.6 14 20 62 6
  M25503762 3.7 14 20 62 6
  M25504066 4 17 24 66 6
  M25504266 4.2 17 24 66 6
  M2550566 4.5 17 24 66 6
  M25504666 4.6 17 24 66 6
  M25505066 5 20 28 66 6
* M25505266 5.2 20 28 66 6
  M25505566 5.5 20 28 66 6
  M25506066 6 20 28 66 6
  M25506879 6.8 24 34 79 8
  M25507079 7 24 34 79 8
  M25507579 7.5 29 41 79 8
  M25507979 7.8 29 41 79 8
  M25508079 8 29 41 79 8
  M25508589 8.5 35 47 89 10
  M25508889 8.8 35 47 89 10
  M25509089 9 35 47 89 10
  M25509589 9.5 35 47 89 10
  M255010089 10 35 47 89 10
  M2550102102 10.2 40 55 102 12
  M2550105102 10.5 40 55 102 12
  M2550110102 11 40 55 102 12
  M2550120102 12 40 55 102 12
  M2550125107 12.5 43 60 107 14
  M2550130107 13 43 60 107 14
  M2550140107 14 43 60 107 14
  M2550145115 14.5 45 65 115 16
  M2550150115 15 45 65 115 16
  M2550155115 15.5 45 65 115 16
  M2550160115 16 45 65 115 16
  M2550170123 17 51 73 123 18
  M2550175123 17.5 51 73 123 18
  M2550180123 18 51 73 123 18
  M2550185131 18.5 55 79 131 20
  M2550190131 19 55 79 131 20
  M2550195131 19.5 55 79 131 20
  M2550200131 20 55 79 131 20

 

Parameter Value

Material Cutting Parameters Vc(M/min) Recommends
Unalloyed steel 100-130 ●
Steel 90-120 ●
Tempered steel 90-120 ●
Cold work tool steel 60-90 ●
Hot work tool steel 60-90 ●
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 170-200 ●
Alloyed cast 150-180 ●
Precision cast 110-140 ●
Titanium 30-40 ◑
Titanium alloys 25-30 ◑
≤ 54 HRC 60-80 ◑
>54 HRC 40-55 ◑

Mouth-to-mouth progress (mm / dev)

Q  
3 0.022
4 0.03
5 0.035
6 0.052
8 0.09
10 0.115
12 0.135
16 0.15
20 0.175

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