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Collet (For Small Diameter Collet Chuck) (CR20-4A)

Collet (For Small Diameter Collet Chuck) CR20-4A

SHOWA TOOL

SHOWA TOOL

Collet that can be easily attached and removed.
[Features]
· Choose from standard grade, A grade or AA grade, depending on the machining precision.
· Uses a 16° taper and is of ER standards, the most commonly used standard around the world.
· Can be used for a wide range of machining, such as drilling and small diameter end milling.

PDF

Part Number

Configured Part Number is shown.

CR20-4A

 

Collet (For Small Diameter Collet Chuck) Specifications

CR Collet external appearance

CREATE Collet dimensional drawing
Easy and reliable collet attachment/detachment:
Since about half the ring inner side is larger, it can be easily attached and detached just by tilting the collet.
Collet GRADERunout precision (MAX, μm) RUNOUT
Opening (A)Tip (B)
Ultraprecision Grade (AA)13
Precision Grade (A)25
Standard Grade (STD)515
GradeApplications
Ultraprecision Grade / Precision GradeReamer/center drill,
carbide small diameter drill, end mill
grind stone for inner grinding, tool for high-frequency motor
carbide drill,
lathe rotary tool (tool rotation)
Standard GradeGeneral drill, tap
lathe rotary tool (workpiece rotation)
CHUCKRSC07RSC10RSC13RSC16RSC20
COLLET CODECR07-d GRADECR10-d GRADECR13-d GRADECR16-d GRADECR20-d GRADE
ødødGripping RANGEødGripping RANGEødGripping RANGEødGripping RANGEødGripping RANGE
1.00.5 to 1.01.00.5 to 1.01.00.5 to 1.01.51.0 to 1.52.01.5 to 2.0
1.51.0 to 1.51.51.0 to 1.51.51.0 to 1.52.01.5 to 2.02.52.0 to 2.5
2.01.5 to 2.02.01.5 to 2.02.01.5 to 2.02.52.0 to 2.53.02.5 to 3.0
2.52.0 to 2.52.52.0 to 2.52.52.0 to 2.53.02.5 to 3.04.03.0 to 4.0
3.02.5 to 3.03.02.5 to 3.03.02.5 to 3.04.03.0 to 4.05.04.0 to 5.0
3.53.0 to 3.54.03.0 to 4.04.03.0 to 4.05.04.0 to 5.06.05.0 to 6.0
4.03.5 to 4.05.04.0 to 5.05.04.0 to 5.06.05.0 to 6.07.06.0 to 7.0
4.54.0 to 4.56.05.0 to 6.06.05.0 to 6.07.06.0 to 7.08.07.0 to 8.0
5.04.5 to 5.07.06.0 to 7.07.06.0 to 7.08.07.0 to 8.09.08.0 to 9.0
5.55.0 to 5.58.07.0 to 8.08.07.0 to 8.09.08.0 to 9.010.09.0 to 10.0
6.05.5 to 6.09.08.0 to 9.09.08.0 to 9.010.09.0 to 10.011.010.0 to 11.0
6.56.0 to 6.510.09.0 to 10.010.09.0 to 10.011.010.0 to 11.012.011.0 to 12.0
7.06.5 to 7.0  11.010.0 to 11.012.011.0 to 12.013.012.0 to 13.0
    12.011.0 to 12.013.012.0 to 13.014.013.0 to 14.0
    13.012.0 to 13.014.013.0 to 14.015.014.0 to 15.0
      15.014.0 to 15.016.015.0 to 16.0
      16.015.0 to 16.017.016.0 to 17.0
        18.017.0 to 18.0
        19.018.0 to 19.0
        20.019.0 to 20.0
øD1116202532
L1827313540
  • *Collet for gap through also available (made-to-order).
30
45
60
  1. 1
Part Number
CR20-4A
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipL
(mm) 		Inner diameter D
(φ) 		Grade Grasp capacity (Blade tool shank diameter) Applicable body A B φD

1,247,827 IDR

1 Piece(s) 10 Day(s) or more --------

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  1. 1
 

Basic Information

Product Classification Accessories

Please check the type/dimensions/specifications of the part CR20-4A in the Collet (For Small Diameter Collet Chuck) series.

Configure

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1 Part Numbers

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Configure Remaining Specifications
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Specification/Dimensions

  • L(mm)

    • 31

    Clear

  • Inner diameter D(φ)

    • 3
    • 9

    Clear

  • Grade

    • A

    Clear

  • Grasp capacity (Blade tool shank diameter)

    • 2.5-3.0
    • 8.0-9.0

    Clear

  • Applicable body

    • CTM07
    • CTM20

    Clear

  • A

    • 12
    • 33

    Clear

  • B

    • 20
    • 40

    Clear

  • type

    • CR□

    Clear

Days to Ship

    • All
    • 8 Day(s) or Less
    • 10 Day(s) or Less
    • 12 Day(s) or Less

    Clear

Specify Alterations

Products like this...

Part Number
CR07-2A
CR07-3.5A
CR07-3A
CR20-5A
CR20-6A
CR20-7A
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipL
(mm) 		Inner diameter D
(φ) 		Grade Grasp capacity (Blade tool shank diameter) Applicable body A B φD

1,173,524 IDR

1 Piece(s) 10 Day(s) or more --------

987,764 IDR

1 Piece(s) 10 Day(s) or more --------

987,764 IDR

1 Piece(s) 8 Day(s) or more -3A2.5-3.0CTM071220-

1,247,827 IDR

1 Piece(s) 10 Day(s) or more --------

1,247,827 IDR

1 Piece(s) 10 Day(s) or more --------

1,247,827 IDR

1 Piece(s) 10 Day(s) or more --------

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