-40%
Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL
Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL
Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL
Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL
Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL
Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL
Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL

Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL

$ 3.31

Availability: 66 in stock
  • Brand: Unbranded
  • Country/Region of Manufacture: United States
  • Condition: GREAT CONDITION VERY LITTLE USE
  • Use with Screw Size: #5 or #6
  • Unit Quantity: 1

    Description

    Tool PILOTED REAMER .275 INCH X .1636 9/32 X 5/32 PILOT DIA 1/4 LONG X 3 1/2 OAL
    SOLID PILOTED REAMER 4-FLUTE SLOW SPIRAL FLUTE HSS HIGH SPEED STEEL 1/2 OZ
    OR SOLID PILOTED COUNTERBORE SLOW SPIRAL
    * 9/32” X 5/32”   9/32” X 11/64”   17/64” X 5/32”   17/64” X 11/64”
    SHANK AND CUTTING DIAMETER GROUND DOWN TO .275” DIAMETER.
    FOR #8 CAP SCREW CLOSE FIT HEAD CLOSE FIT SCREW
    MRT Co. HI-SP 27 .164
    GOOD EDGE - WEAR MARKS ON OD
    MR & T CO. IS FOR M. R. & T COMPANY = MILLERSBURG REAMER & TOOL COMPANY
    MRB IS FOR MILLERSBURG PENNSYLVANIA USA
    OLDEST REFERENCE I FIND IS 1932 SO COMPANY BEGAN BEFORE 1932
    page 1202-1203 1980 Machinery’s Handbook
    + NEEDS TO BE ~ .002 LARGER;
    +
    NEEDS TO BE ~ .005 LARGER.
    # x .013 + .060 =                                                                   NORMAL FIT                       CLOSE FIT       DIA. WASHER
    SCREW                 MAX HEAD      COUNTERBORE           PILOT DRILL      SCREW    PILOT DRILL     A1A, A1B or B
    4             .112       .183        3/16      .219       7/32                      9/64      .136        4             .125     1/4         .312   .250
    5             .125       .205       13/64+   .250        ¼                         5/32     .154         5             .141     9/64       .281   .406
    6             .138       .226       7/32
    +
    .272      17/64
    +
    11/64     .170         6             .154      23         .375   .312
    8             .164       .270       17/64
    +
    .316       5/16+                   3/16
    +
    .194         8             .180     15          .438   .375
    10           .190       .312        5/16      .359       23/64                    7/32+   .221        10             .206      5          .500   .406
    ¼            .250       .375        3/8        .422       27/64                    9/32     .281         ¼             .266    17/64     .625   .500
    5/16        .312       .469       15/32     .515       33/64                   11/32    .344        5/16          .328    21/64     .688   .625
    3/8          .375       .562        9/16      .609       39/64                   13/32    .406        3/8            .391    25/64     .812   .734
    7/16        .437       .656       21/32     .703       45/64                   15/32    .469        7/16          .453    29/64     .922   .875
    ½            .500       .750        3/4        .797       51/64                   17/32    .531         ½             .516    33/64    1.062 1.000
    SCREW                 MAX HEAD       COUNTERBORE               PILOT DRILL      SCREW     PILOT DR CLOSE FIT
    VINTAGE ANTIQUE OLD SCHOOL JOB SHOP MANUAL MACHINING TOOLS TEACHING COLLEGE CO-OP TRAINING MACHINE TESTING TRAINING
    COMBINE SHIPPING BY PUTTING BUY-IT-NOW ITEMS IN CART AND THEN REQUEST INVOICE FOR 2 OR MORE ITEMS.  SHIP COST BASED ON TOTAL WEIGHT INCL PACKAGE PLUS EBAY FEE ON SHIP COST PLUS MISC COST.
    Combined items reduces total shipping cost.  I will combine into a 1 package weight shipping.