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MDS … MK/MG Type

K Type: Coated Multi-Drill for General Purpose Drilling of Steels

G Type: Uncoated Multi-Drill for Cast Irons and Aluminium Alloys

MK Type MG Type

Grade: ACW70 Grade: A1

Diameter ø10,1~12,0mm Diameter ø12,1~14,0mm

Dimensions(mm)LongTypeDimensions(mm)LongType
DSchaftCat. No.StockDimensions(mm)DSchaftCat. No.StockDimensions(mm)
øø
ødl3MK, MGMK MGLl1l2ødl3MK, MGMK MGLl1l2
10,110,1MDS 101££12,112,1MDS 121££
10,210,2MDS 102££113955367912,212,2MDS 122££1373733783
10,310,346MDS 103££,,,12,312,359MDS 123££,,,
10,410,4MDS 104££12,412,4MDS 124££
10,510,5MDS 105££s12,512,5MDS 125££
10,610,6MDS 106££12,612,6MDS 126££
10,710,7MDS 107££116056870012,712,7MDS 127££1394848804
10,810,846MDS 108££,,,12,812,859MDS 128££,,,
10,910,9MDS 109££12,912,9MDS 129££
11,011,0MDS 110££s s13,013,0MDS 130££
11,111,1MDS 111££13,113,1MDS 131££
11,211,2MDS 112££120259473213,213,2MDS 132££1465703865
11,311,347MDS 113££,,,13,313,360MDS 133££,,,
11,411,4MDS 114££13,413,4MDS 134££
11,511,5MDS 115££s s13,513,5MDS 135££
11,611,6MDS 116££13,613,6MDS 136££
11,711,7MDS 117££123260875213,713,7MDS 137££1496718886
11,811,848MDS 118££,,,13,813,861MDS 138££,,,
11,911,9MDS 119££13,913,9MDS 139££
12,012,0MDS 120££s s14,014,0MDS 140££

Recommended Cutting Conditions for K Type Multi-Drills

( v : Cutting Speed (m/min), f : Feed Rate (mm/rev)) (Min – Standard – Max) c

Diameter (mm)Soft Steels (underHB250)General Steels, Alloy SteelsDie Steels (about HB250)Stainless SteelsDuctile Cast IronsGrey Cast Irons
~ 5vc40 –60– 8040 –60– 8015 –30– 4515 –40– 5540 –60– 8040 –70– 90
øf0,15 – 0,250,15 – 0,250,10 – 0,200,08 – 0,150,15 – 0,250,15 – 0,30
~ 10vc50 –70– 12050 –70– 11020 –40– 5015 –45– 6050 –70– 10050 –80– 120
øf0,20 – 0,350,20 – 0,350,10 – 0,200,10 – 0,200,20 – 0,350,20 – 0,35
~ ø15vc60 –80– 12050 –70– 12020 –40– 6020 –50– 7050 –70– 10060 –90– 120
f0,25 – 0,350,25 – 0,350,15 – 0,250,10 – 0,200,25 – 0,350,25 – 0,35
~ 20vc60 –90– 12060 –80– 12030 –40– 6020 –50– 7060 –80– 10060 –90– 120
øf0,30 – 0,400,25 – 0,400,15 – 0,250,10 – 0,200,25 – 0,400,25 – 0,45

Recommended Cutting Conditions for G Type Multi-Drills

( v : Cutting Speed (m/min), f : Feed Rate (mm/rev)) (Min – Standard – Max) c

Diameter (mm)Ductile Cast IronsGrey Cast IronsAluminium Alloys
~ 6vc25 –50– 7025 –55– 8080 –120– 200
øf0,15 –0,2– 0,250,2 –0,25– 0,30,2 –0,3– 0,4
~ ø10vc25 –50– 7025 –55– 8080 –120– 200
f0,2 –0,3– 0,350,25 –0,35– 0,40,25 –0,35– 0,45
~ ø14vc25 –50– 7025 –55– 8080 –120– 200
f0,2 –0,35– 0,40,25 –0,4– 0,50,25 –0,45– 0,6
~ 20vc25 –50– 7025 –55– 8080 –120– 200
øf0,2 –0,4– 0,50,25 –0,4– 0,60,25 –0,45– 0,7