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???? ??????? step twist drill    
116B0
(D1:Φ4.5～Φ13.5)
Chinatungsten ???????? ????? ?????? ????? ?????? ???????? ?????? ?? ????????? ????? ??????. ??? ??????? Costomization. ??????? ????????? ????? ?????? ??? A10 ??? ????? ??????:
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D1 		????? Diamerer
D2 		??????? ???????
M 		????? ?????
L1 		??? ??????
L2 		????? ???
L3 		??? ???? ????? L4
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L5
4.5 8 M4 79 34 11
5.5 10 M5 89 47 13
6.6 11 M6 102 55 15
9 15 M8 115 65 19
11 18 M10 123 73 23
13.5 20 M12 131 79 27

????? ???????? Chinatungsten ???????? ????? ????? ?????? ?? ??????? ?????? ?? ???? ??? ?????. ?? ??? ??? ???? ?????? ????.

CHINATUNGSTEN ONLINE ??? ???????? ?? ????? ?????? ????????? ?????? ????? ???????? ???? ????? ?? 20 ????. ??? ??? ???? ?? ????????? ???? ???????? ?? ??? ??????? ?? ???? ?? ????? ?? ?????? ?????????? ???: sales@chinatungsten.com

Chinatungsten ????????:[ChinaTungsten] [????? ????????] [????????] [???????????? ????????] [?????? ????????] [???? ????????] [???????? ?????] [????? ????????] [???????? ???????] [??? ????????] [???? ????????] [??????? ???] [???????? ????]

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