shaanxi hainaisen Petroleum cham co., Ltd
product
Coal Rock Drill Bit

Coal Rock Drill Bit

With professional and productive factory, HAINAISEN is one of the leading China coal rock drill bit manufacturers. Welcome to wholesale coal rock drill bit from us, we always have cheap products to offer you. Suitable for soft-medium hard rock formation with f≤8. Size: ¢ 27mm-¢42mm Suitable for...

laSvargh targhHom veDDaq noch 'ej productive, hainaisen Dev jungwoq coal nagh qeq bit manufacturers wa'. majQa' wholesale coal nagh qeq bit vo' maHvaD, qutlh products SoH offer reH wIghaj.

yuQmeyDaq QI'yaH-medium let nagh formation f≤8.

size: ¢ 27 mm-¢ 42 mm

yuQmeyDaq nagh let medium formation je f≤10.

size: ¢ 27 mm-¢ 42 mm

integrated latlh yuQmeyDaq, 'ej let nagh formation f≤12. size: ¢ 27 mm-¢ 42 mm

(je vutmeH pong requirements pagh 'etlhDaj lel chay' sample)

ghantoH

appliedterrane

pdc2winganchorshankdrillbit

halfdisknormal

fortheterraneof ≤8

wholedisknormal

fortheterraneofof ≤10

wholediskreinforced

fortheterraneofof ≤15

pdc3winganchorshankdrillbit

halfdisknormal

fortheterraneofof ≤15

halfdiskreinforced

fortheterraneofof ≤18

Segh

size(mm)

height(mm)

nozzle

normaltype
amp;
reinforcedtype

27

48

mI'

size(mm)

28

48

29

48

3

4

30

48

32

48

36

52



dia(mm)

weightonbit(kn)

rotaryspeed(rpm)

thread(mm)

connectiontype

28

4~6

805~900

12*2


14*1.5


16*2

pinthreadconnection

30

4~6

805~900

pinthreadconnection

32

4~6

805~900

pinthreadconnection

42

6~8

300~500

'emDaq ghap boxthreadconnection

note:
sizesandtypesthatarenotshownabovecanbecustomizedaccordingtospecificdrillingrequirements.

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