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        | 衬套 – 型号 GDL | 
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            |   ACME深孔钻套可与可替换衬套配套使用,见下图. 所有GDL型钻套磨至同心度在0.0002英寸以内. 钻套头倒角, 端面磨至与外径垂直, 因此衬套可平置于切屑盒上. | 
           
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            件号                | 
            种类                | 
            A1 
              +.0002 
              -.0000                | 
            A2 
              ±.005                | 
            B外径尺寸  | 
            D                | 
            沉头直径                | 
            锁紧螺丝                | 
            使用衬套                | 
           
          
            公称尺寸  | 
            磨前尺寸  | 
            F  | 
            J  | 
            R  | 
             
   
            A51210  | 
            GDL-64-16  | 
            .2045  | 
            .125  | 
            1"  | 
            1.0000 
              .9998  | 
            7/16  | 
            1-27/64  | 
            19/32  | 
            59/64  | 
            2A-LS  | 
            GDI-13-8  | 
           
            A51212  | 
            .2515  | 
            .156  | 
            GDI-16-8  | 
           
   
            A51214  | 
            .3140  | 
            .218  | 
            GDI-20-8  | 
           
            A51216  | 
            .5016  | 
            .406  | 
            GDI-32-8  | 
           
   
            A51218  | 
            .7517  | 
            .625  | 
            GDI-48-8  | 
           
            A51240  | 
            GDL-88-16  | 
            .2045  | 
            .125  | 
            1-3/8  | 
            1.3750 
              1.3748  | 
            7/16  | 
            1-51/64  | 
            25/32  | 
            1-7/64  | 
            2A-LS  | 
            GDI-13-8  | 
           
   
            A51242  | 
            .2515  | 
            .156  | 
            GDI-16-8  | 
           
            A51244  | 
            .3140  | 
            .218  | 
            GDI-20-8  | 
           
   
            A51246  | 
            .5016  | 
            .406  | 
            GDI-32-8  | 
           
            A51248  | 
            .7517  | 
            .625  | 
            GDI-48-8  | 
           
   
            A51250  | 
            1.0017  | 
            .875  | 
            11/16  | 
            1-51/64  | 
            25/32  | 
            1-7/64  | 
            2A-LS  | 
            GDI-64-12  | 
           
          | 
         
      
        
  | 
         
      
        | 衬套 – 型号 GDI | 
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          | 
        
          
            种类  | 
            A 
              内径范围 
              +.0002    / -.0000  | 
            B 
              外径尺寸  | 
            C 
              长度  | 
           
          
            公称尺寸  | 
            磨前尺寸  | 
           
   
            GDI-13-8  | 
            5/64 
              (.0781)  | 
            –   | 
            #39 
              (.0995)  | 
            13/64  | 
            .2047 
              .2044  | 
            1/2  | 
           
            GDI-16-8  | 
            #38 
              (.1015)  | 
            –   | 
            9/64 
              (.1406)  | 
            1/4  | 
            .2517 
              .2514  | 
            1/2  | 
           
   
            GDI-20-8  | 
            #27 
              (.1440)  | 
            –   | 
            #10 
              (.1935)  | 
            5/16  | 
            .3142 
              .3139  | 
            1/2  | 
           
            GDI-32-8  | 
            13/64 
              (.2031)  | 
            –   | 
            O 
              (.3160)  | 
            1/2  | 
            .5018 
              .5015  | 
            1/2  | 
           
   
            GDI-48-8  | 
            P 
              (.3230)  | 
            –   | 
            17/32 
              (.5312)  | 
            3/4  | 
            .7519 
              .7516  | 
            1/2  | 
           
            GDI-64-12  | 
            9/16 
              (.5625)  | 
            –   | 
            3/4 
              (.7500)  | 
            1"  | 
            1.0019 
              1.0016  | 
            3/4  | 
           
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                |   
                  ACME深孔衬套由全淬火工具钢制成,并热处理至62-64RC, 以增加产品使用寿命, GDI型钻套内外径与端面磨至同心和垂直, 同心度在0.0002英寸之内. 
                      库存衬套只有标准尺寸钻头类型.按客户要求, 可定做指定内径和材料(硬质合金钢或钛氮镀层)产品.  | 
               
             
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