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| | | Reamingres, and efficiency improves in highly precise drilling_ filiStlfii Conventional process | | |
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| | | 9 | | |
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| | | mm | | |
| | | R | | |
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| | | 6.030 | | |
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| | | Prepared hole | | Tool change | | Reaming | | |
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| | | » №f±HSK : 1,681 TOTS | | |
| | | 6.020 | | |
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| | | 1=e I (il) g 6.010 e a. | | |
| | | 7WKUJU37JI/-h AQD3F | | |
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| | | R c | | |
| | | AQD3F | | |
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| | | 6.000 | | |
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| | | 5.995 | | |
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| | | 0 | | 500 | | 1,000 | | 1,500 2,000 JQITTS! Holes | | 2,500 | | 3,000 | | |
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| | | ©:«S 0:gffl x:=RI 8ftEP:j£91U3;t!^ ◎ : Excellent O: Good x: Not Used No mark : Not recommended | | |
| | | Selection Chart according to work material | | |
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| | | | | | | | | | | | | | | | | | | | | | | s *8 Si e EE si | | ia m l s 1 s t K s ÎH | i e ai s S. 5? " il | Hardened Steels | Stainless Steels | Ti -si* CD n | Cast Irons | ml A § l A O Ä s a | Iti fi s | Stocked Sizes | Drilling Condition | | | | SS400 | S45C/S50C | SCR/NAK | 25-40HRC | 40-50HRC | 50-65HRC | SUS304/SUS316 | SUS420 | FCD/FC | AC/ADC | Cu | | | | | ◎ | ◎ | ◎ | ◎ | ◎ | | X | O | X | O | X | X | P.18 | P.24 | | | | | | ◎ | | | X | X | X | | X | ◎ | | | P.23 | P.24 | | | | | ◎ | ◎ | ◎ | ◎ | ◎ | | X | O | X | O | | | P.12 | P.17 | | | | | ◎ | ◎ | ◎ | ◎ | ◎ | | X | O | X | O | | | P.14 | P.17 | | | | | ◎ | ◎ | ◎ | ◎ | ◎ | | ◎ | ◎ | O | O | X | | P.10 | P.16 | | | | | X | X | X | X | | ◎ | X | X | X | | X | X | P.25 | P.27 | | | | | ◎ | O | | | | | X | O | X | ◎ | | | P.26 | P.27 | | | | | ◎ | ◎ | ◎ | ◎ | ◎ | | O | O | X | ◎ | | | P.28 | P.29 | | | | | ◎ | ◎ | ◎ | ◎ | ◎ | | O | O | X | ◎ | | | P.30 | P.31 | | | | | ◎ | ◎ | ◎ | ◎ | ◎ | | O | O | X | ◎ | | | P.32 | P.33 | | | | | X | ◎ | ◎ | ◎ | X | X | X | | X | ◎ | | | P.34 | P.36 | | | | | X | ◎ | ◎ | ◎ | X | X | X | | X | ◎ | | | P.35 | P.36 | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | d 7 I I | | ^^CTiAlNn-WJUS AQ (TiAlN multi layer) Coat | | |
| | | Low Helix Angle KUJI/OftffiS£«^U3;-?c Point Angle of Drills | | Tolerance of drill dia. is h7 | | |
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| | | Three Flutes Drills Two Rake Relief & X thinning HP Two Rake Relief & 3F thinning | | |
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| | | | | | | | | | | | | | | Dia. | Over | | 3 | 6 | 10 | 18 | | | | Up to | 3 | 6 | 10 | 18 | 30 | | | | Tolerance | h7 | 0 -10 | 0 -12 | 0 -15 | 0 -18 | 0 -21 | | | | | | | | | | | | | | |
| | | §■ ^ Tungsten Carbide | | |
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| | | Oil-hole Drills | | |
| | | Normal Helix Angle | | |
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