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STS INSERT BTA Characteristics
- Diameter Range : ¥Õ16mm ~ 33mm
- Special size available
- INSERT BTA having one cutting Insert & one chip-mouth
- Improved chip evacuation through one chip-mouth by dividing long chip into 4 small segments
- Improved BTA body tool life compared with standard Insert BTA consisting of three inserts and two chip-mouths
- Hole drilling accuracy - 0.03 ~ + 0.01 mm by applying polished insert and guide pads
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Insert BTA
Diameter(mm)
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Insert
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Guide pad
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Insert
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Insert Screw
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Wrench
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Pad
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Pad Screw
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Wrench
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16
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IDI1516
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DST-2505S
(M2.5)
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T8
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IDP1516
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DST-2252
(M2.2)
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T7
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17
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IDI1718
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DST-2555S
(M2.5)
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T8
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IDP1718
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DST-2555
(M2.5)
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T7
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18
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19
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IDI1920
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DST-3062
(M3.0)
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T9
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IDP1920
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DST-2555
(M2.5)
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T7
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20
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21
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IDI2122
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DST-3072
(M3.0)
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T9
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IDP2122
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DST-2565
(M2.5)
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T7
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22
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23
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IDI2325
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DST-3508
(M3.5)
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T15
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IDP2325
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DST-2565
(M2.5)
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T7
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24
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25
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26
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IDI2628
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DST-3585
(M3.5)
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T15
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IDP2628
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DST-2565
(M2.5)
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T7
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27
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28
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29
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IDI2932
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DST-0510
(M5.0)
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T20
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IDP2932
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DST-3072
(M3.0)
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T9
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30
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31
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32
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33
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STS INSERT BTA BODY Detail Spec.
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Diameter ¥ÕD
Range(mm)
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Main Diameter
¥ÕD(mm)
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L1(mm)
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L2(mm)
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d(mm)
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Drill Tube
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15.60~16.59
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16
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63.0
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60.4
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12.6
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14
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16.60~17.70
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17
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66.3
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63.3
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13.6
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15
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17.71~18.59
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18
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67.3
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64.3
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14.5
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16
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18.60~20.59
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19
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67.3
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64.2
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15.5
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17
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20
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67.3
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64.2
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15.5
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20.60~21.80
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21
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70.4
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67.0
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16
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18
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21.81~22.59
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22
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73.8
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70.4
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18
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20
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22.60~24.10
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23
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74.1
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70.5
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18
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24
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74.1
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70.5
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18
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24.11~25.59
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25
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74.1
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70.5
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19.5
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22
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25.60~26.40
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26
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74.2
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70.3
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19.5
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26.41~28.59
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27
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74.2
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70.3
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21
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24
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28
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74.2
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70.3
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21
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28.60~31.00
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29
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81.5
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77.4
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23.5
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26
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30
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81.5
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77.4
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23.5
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31
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81.5
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77.4
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23.5
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31.01~33.30
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32
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81.5
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77.4
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25.5
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28
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33
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81.5
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77.4
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25.5
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IDI Insert Tip Specification
- Precise Insert tip with five-polished surfaces for hole size accuracy
- Super micro grain carbide & hybrid multi-layer PVD coating for improved deep-hole drilling performance
- Applicable to various materials such as General carbon steel, cast iron, difficult-to-cut material & STS
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Insert
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Diameter
Range(mm)
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W
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H
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T
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Screw
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Wrench
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IDI1516
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14.00 ~ 16.59
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8.6
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10.5
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2.75
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DST-2505S
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M2.5
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T8
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IDI1718
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16.60 ~ 18.59
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9.6
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11.5
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3.25
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DST-2555S
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M2.5
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T8
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IDI1920
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18.60 ~ 20.59
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10.6
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13
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3.45
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DST-3062
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M3.0
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T9
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IDI2122
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20.60 ~ 22.59
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11.7
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14.5
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3.8
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DST-3072
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M3.0
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T9
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IDI2325
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22.60 ~ 25.59
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13.2
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15
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4.25
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DST-3508
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M3.5
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T15
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IDI2628
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25.60 ~ 28.59
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14.7
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15
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4.5
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DST-3585
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M3.5
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T15
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IDI2932
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28.60 ~ 33.30
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16.9
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18
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5
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DST-0510
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M5.0
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T20
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IDP Guide Pad Specification
- Precise pad tip with six-polished surfaces for hole size accuracy
- Good wear materials with a low coefficient of friction for improved guide performance
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Pad
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Diameter Range
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W
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H
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T
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R
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Screw
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Wrench
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IDI1516
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14.00 ~ 16.59
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5.19
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20
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2.5
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7
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DST-2252
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M2.5
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T7
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IDI1718
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16.60 ~ 18.59
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5.99
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23.2
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3
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8
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DST-2555
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M2.5
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T7
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IDI1920
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18.60 ~ 20.59
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5.99
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23.2
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3
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9
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DST-2555
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M3.0
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T7
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IDI2122
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20.60 ~ 22.59
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5.99
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23.2
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3.4
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10
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DST-2565
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M3.0
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T7
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IDI2325
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22.60 ~ 25.59
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5.99
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23.2
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3.4
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11
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DST-2565
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M3.5
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T7
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IDI2628
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25.60 ~ 28.59
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5.99
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23.2
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3.4
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12
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DST-2565
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M3.5
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T7
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IDI2932
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28.60 ~ 33.30
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7.5
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26
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3.8
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14
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DST-3072
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M5.0
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T9
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