ATI420 SERIES, Countersinks

INTEGRAL-PILOTED COUNTERSINK CUTTERS
3 FLUTE, 100° CUTTING ANGLE, 1/4-MALE THREADED SHANK, GROUND ON CENTERS
 
These precision cutters are the ultimate in chatterless countersinking. The minimum cutter diameter has been calculated to eliminate skin damage, and the undercut on the flutes provides for easy chip ejection. Used with ATI444 SERIES Premium Microstops, ATI443 SERIES Microstops, & other 1/4-28 Female Threaded Microstops.
 
Recognized throughout the industry as a leading producer of quality cutting tools, ATI Tools give the industry tools that are designed for high-rate production in the full range of metals used in aircraft manufacturing and maintenance.
 
The tools contained in this section are made of the finest tool steel and carbides. The cutters are carefully heat-treated, precision ground for correct cutting angles and proper clearance, then thoroughly checked to ensure accurate cutting without chatter. After final inspection, all tools are dipped in a protective plastic coating for shipment and storage.
 
A variety of microstop countersink units and accessories have been designed to present a versatile selection of tools for all working surfaces and areas.
 
PART # LEGACY # INCLUDES
ATI420D-4PC AT420D-4PC ATI420D4; 3/32", 1/8", 5/32", 3/16"
ATI420D-5PC AT420D-5PC ATI420D4; 3/32", 1/8", 5/32", 3/16", 1/4"
ATI420D-9PC AT420D-9PC ATI420D4; 3/32", 1/8", 5/32", 3/16", 1/4", #40, #30, #10, #21
 
PART # LEGACY # BODY DIAMETER INTEGRATED PILOT DIAMETER FLUTES CUTTING ANGLE THREAD
ATI420D43/32 AT420D-4 3/32 7/16" 3/32" 3 100° 1/4-28 MALE THREAD
ATI420D440 AT420D-4 #40 7/16" #40 3 100° 1/4-28 MALE THREAD
ATI420D41/8 AT420D-4 1/8 7/16" 1/8" 3 100° 1/4-28 MALE THREAD
ATI420D430 AT420D-4 #30 7/16" #30 3 100° 1/4-28 MALE THREAD
ATI420D45/32 AT420D-4 5/32 7/16" 5/32" 3 100° 1/4-28 MALE THREAD
ATI420D421 AT420D-4 #21 7/16" #21 3 100° 1/4-28 MALE THREAD
ATI420D43/16 AT420D-4 3/16 7/16" 3/16 3 100° 1/4-28 MALE THREAD
ATI420D410 AT420D-4 #10 7/16" #10 3 100° 1/4-28 MALE THREAD
ATI420D41/4 AT420D-4 1/4 7/16" 1/4 3 100° 1/4-28 MALE THREAD

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12 Item(s)

  1. ATI420D-4PC

    ATI420D-4PC

    $60.77

    • ATI420D-4PC
    • AT420D-4PC
    • NSN 5133-01-428-5685
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  2. ATI420D-5PC

    ATI420D-5PC

    $62.74

    • ATI420D-5PC
    • AT420D-5PC
    • NSN 5133-01-428-5679
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  3. ATI420D-9PC

    ATI420D-9PC

    $102.33

    • ATI420D-9PC
    • AT420D-9PC
    • NSN 5133-01-428-5681
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  4. ATI420D41/4

    ATI420D41/4

    $7.62

    • ATI420D41/4
    • AT420D-4 1/4
    • NSN 5133-01-397-3087
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  5. ATI420D41/8

    ATI420D41/8

    $7.62

    • ATI420D41/8
    • AT420D-4 1/8
    • NSN 5133-01-397-3085
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  6. ATI420D410

    ATI420D410

    $7.62

    • ATI420D410
    • AT420D-4 #10
    • NSN 5133-01-397-3020
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  7. ATI420D421

    ATI420D421

    $7.62

    • ATI420D421
    • AT420D-4 #21
    • NSN 5133-01-397-3080
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  8. ATI420D43/16

    ATI420D43/16

    $7.62

    • ATI420D43/16
    • AT420D-4 3/16
    • NSN 5133-01-397-3090
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  9. ATI420D43/32

    ATI420D43/32

    $7.62

    • ATI420D43/32
    • AT420D-4 3/32
    • NSN 5133-01-397-3084
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  10. ATI420D430

    ATI420D430

    $7.62

    • ATI420D430
    • AT420D-4 #30
    • NSN 5133-01-397-3081
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  11. ATI420D440

    ATI420D440

    $7.62

    • ATI420D440
    • AT420D-4 #30
    • NSN 5133-01-397-3086
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  12. ATI420D45/32

    ATI420D45/32

    $7.62

    • ATI420D45/32
    • AT420D-4 5/32
    • NSN 5133-01-397-3089
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