Iscar - CAT50 Taper, 1-8 Thread, 45° Angle Radius, Standard Retention Knob - 3.15" OAL, 29/32" Knob Diam, 1.78" from Knob to Flange, 0.236" Coolant Hole, Through Coolant

Item #: 00637710
Brand: Iscar
Model #: 4504764
Exact Tooling IR#: 04

Features and Benefits

Retention knobs, also known as pull studs, are threaded components that enable the mounting of a toolholder to the spindle of a CNC milling machine. Retention knobs are held in the machine by a clamp or spring.

Product Specifications
Type	Standard
Taper Size	CAT50
Thread Size	1-8
Angle Radius	45.00
Knob Diameter (Decimal Inch)	0.9060
Through Coolant	Yes
Neck Diameter (Decimal Inch)	0.6700
Overall Length (Decimal Inch)	3.1500
Knob to Flange Length (Decimal Inch)	1.7800
Coolant Hole Diameter (Decimal Inch)	0.2360

Product Specifications

Type Standard

Taper Size CAT50

Thread Size 1-8

Angle Radius 45.00

Knob Diameter (Decimal Inch) 0.9060

Through Coolant Yes

Neck Diameter (Decimal Inch) 0.6700

Overall Length (Decimal Inch) 3.1500

Knob to Flange Length (Decimal Inch) 1.7800

Coolant Hole Diameter (Decimal Inch) 0.2360

$38.31

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Seco - CAT50 Taper Shank, 3/4" Hole Diam x 2.76" Nose Diam Milling Chuck - 2.48" Projection, 0.0002" TIR,

Item #: 47384458
Brand: Seco
Model #: 03211217
Exact Tooling IR#: 04

Product Specifications
Taper Size	CAT50
Shank Type	Taper Shank
Hole Diameter (Inch)	3/4
Hole Diameter (Decimal Inch)	0.7500
Nose Diameter (Decimal Inch)	2.7600
Projection (mm)	62.99
Projection (Decimal Inch)	2.4800
Through Coolant	Yes
TIR (mm)	53.000
Clamping Depth (Decimal Inch)	1.8700
Clamping Depth (Decimal Inch)	1.87
Overall Length (Decimal Inch)	1.5600
TIR (Decimal Inch)	0.0002

$649.89

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Guhring - Milling Chuck Accessory - 4.01mm Compatible Hole Diam

Item #: 98858269
Brand: Guhring
Model #: 9040970040100
Exact Tooling IR#: 04

Product Specifications
Compatible Hole Diameter (mm)	4.01

$415.10

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Seco - DIN50 Taper, M24x3 Thread, 45° Angle Radius, Standard Retention Knob - 2.575" OAL, 1.14" Knob Diam, 1" from Knob to Flange, Through Coolant

Item #: 38379525
Brand: Seco
Model #: 03119949
Exact Tooling IR#: 04

Features and Benefits

Retention knobs, also known as pull studs, are threaded components that enable the mounting of a toolholder to the spindle of a CNC milling machine. Retention knobs are held in the machine by a clamp or spring.

Product Specifications
Type	Standard
Taper Size	DIN50
Thread Size	M24x3
Angle Radius	45.00
Knob Diameter (Decimal Inch)	1.1400
Through Coolant	Yes
Neck Diameter (Decimal Inch)	0.8200
Overall Length (Decimal Inch)	2.5750
Knob to Flange Length (Decimal Inch)	1.0000

Product Specifications

Type Standard

Taper Size DIN50

Thread Size M24x3

Angle Radius 45.00

Knob Diameter (Decimal Inch) 1.1400

Through Coolant Yes

Neck Diameter (Decimal Inch) 0.8200

Overall Length (Decimal Inch) 2.5750

Knob to Flange Length (Decimal Inch) 1.0000

$30.74

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Tungaloy - C Style, BT30 Taper, M12x1.75 Thread, 60° Angle Radius, Standard Retention Knob - 0.4331" Knob Diam

Item #: 47647219
Brand: Tungaloy
Model #: 4517005
Exact Tooling IR#: 04

Features and Benefits

Retention knobs, also known as pull studs, are threaded components that enable the mounting of a toolholder to the spindle of a CNC milling machine. Retention knobs are held in the machine by a clamp or spring.

Product Specifications
Type	Standard
Taper Size	BT30
Thread Size	M12x1.75
Angle Radius	60.00
Knob Diameter (Decimal Inch)	0.4331
Through Coolant	No
Style	C

Product Specifications

Type Standard

Taper Size BT30

Thread Size M12x1.75

Angle Radius 60.00

Knob Diameter (Decimal Inch) 0.4331

Through Coolant No

Style C

$26.49

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Schunk - CAT40 Taper Shank, 1/2" Hole Diam x 39mm Nose Diam Milling Chuck - 73mm Projection, 0.005mm TIR, Balanced to 15,000 RPM

Item #: 05456504
Brand: Schunk
Model #: 209612
Exact Tooling IR#: 04

Product Specifications
Taper Size	CAT40
Shank Type	Taper Shank
Hole Diameter (Decimal Inch)	0.5000
Nose Diameter (mm)	39.00
Projection (mm)	73.00
Through Coolant	Yes
TIR (mm)	0.005
Clamping Depth (Decimal Inch)	1.8100
Balanced to (RPM)	15000

$562.32

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Komet - ABS100, 4.921 Inch Long, Modular Tool Holding Extension - 3.937 Inch Body Diameter

Item #: 66235250
Brand: Komet
Model #: A2000080
Exact Tooling IR#: 04

Product Specifications
Connection Size	ABS100
Extension Length (Decimal Inch)	4.9210
Body Diameter (mm)	100.00
Body Diameter (Decimal Inch)	3.9370

$853.78

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Sumitomo - CAT50 Taper Shank, 13/32" Hole Diam x 2.362" Nose Diam Milling Chuck - 5.315" Projection,

Item #: 53926457
Brand: Sumitomo
Model #: U102539
Exact Tooling IR#: 04

Product Specifications
Taper Size	CAT50
Shank Type	Taper Shank
Hole Diameter (Inch)	13/32
Nose Diameter (Decimal Inch)	2.3620
Projection (Decimal Inch)	5.3150
Through Coolant	No

$756.36

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Parlec - C Style, BT40 Taper, M16x2 Thread, 15° Angle Radius, Standard Retention Knob - 2.12" OAL, 3/4" Knob Diam, 0.28" Flange Thickness, 1.142" from Knob to Flange, 0.669" Pilot Diam, 0.276" Coolant Hole, Through Coolant

Item #: 82556598
Brand: Parlec
Model #: 4020TRK
Exact Tooling IR#: 04

Features and Benefits

Retention knobs, also known as pull studs, are threaded components that enable the mounting of a toolholder to the spindle of a CNC milling machine. Retention knobs are held in the machine by a clamp or spring.

Product Specifications
Type	Standard
Taper Size	BT40
Thread Size	M16x2
Angle Radius	15.00
Knob Diameter (Decimal Inch)	0.7480
Through Coolant	Yes
Style	C
Neck Diameter (Decimal Inch)	0.5500
Pilot Diameter (Decimal Inch)	0.6690
Overall Length (Decimal Inch)	2.1200
Knob to Flange Length (Decimal Inch)	1.1420
Flange Thickness (Decimal Inch)	0.2800
Coolant Hole Diameter (Decimal Inch)	0.2760

Product Specifications

Type Standard

Taper Size BT40

Thread Size M16x2

Angle Radius 15.00

Knob Diameter (Decimal Inch) 0.7480

Through Coolant Yes

Style C

Neck Diameter (Decimal Inch) 0.5500

Pilot Diameter (Decimal Inch) 0.6690

Overall Length (Decimal Inch) 2.1200

Knob to Flange Length (Decimal Inch) 1.1420

Flange Thickness (Decimal Inch) 0.2800

Coolant Hole Diameter (Decimal Inch) 0.2760

$43.56

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Sandvik Coromant - BT30 Taper Face Mill Holder & Adapter - 27mm Pilot Diam

Item #: 54922752
Brand: Sandvik Coromant
Model #: 6073974
Exact Tooling IR#: 04

Product Specifications
Taper Size	BT30
Pilot Diameter (mm)	27.00
Pilot Diameter (Decimal Inch)	1.0630

$141.57

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HAIMER - SK40 Taper, M16x2 Thread, 45° Angle Radius, Standard Retention Knob - 18.95mm Knob Diam

Item #: 52224961
Brand: HAIMER
Model #: 88.400.40
Exact Tooling IR#: 04

Features and Benefits

Retention knobs, also known as pull studs, are threaded components that enable the mounting of a toolholder to the spindle of a CNC milling machine. Retention knobs are held in the machine by a clamp or spring.

Product Specifications
Type	Standard
Taper Size	SK40
Thread Size	M16x2
Angle Radius	45.00
Knob Diameter (mm)	18.95
Through Coolant	No

Product Specifications

Type Standard

Taper Size SK40

Thread Size M16x2

Angle Radius 45.00

Knob Diameter (mm) 18.95

Through Coolant No

$34.30

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Kennametal - 4.7244 Inch Long, Modular Tool Holding Extension - 3.1496 Inch Body Diameter

Item #: 51647337
Brand: Kennametal
Model #: 3668965
Exact Tooling IR#: 04

Product Specifications
Extension Length (mm)	120.00
Extension Length (Decimal Inch)	4.7244
Body Diameter (mm)	80.00
Body Diameter (Decimal Inch)	3.1496

$933.25

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Iscar - End Mill Holder Power Chuck

Item #: 46686952
Brand: Iscar
Model #: 4510488
Exact Tooling IR#: 04

Product Specifications

End Mill Holder Power Chuck -

Type Power Chuck

Screw Size 5/8-11

$593.13

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Seco - HSK-A63 Taper Shank, 1-1/4" Hole Diam x 2.64" Nose Diam Milling Chuck - 3.15" Projection, 0.0002" TIR,

Item #: 47384540
Brand: Seco
Model #: 03211211
Exact Tooling IR#: 04

Product Specifications
Taper Size	HSK-A63
Shank Type	Taper Shank
Hole Diameter (Inch)	1-1/4
Hole Diameter (Decimal Inch)	1.2500
Nose Diameter (Decimal Inch)	2.6400
Projection (mm)	80.01
Projection (Decimal Inch)	3.1500
Through Coolant	Yes
TIR (mm)	53.000
Clamping Depth (Decimal Inch)	2.3800
Clamping Depth (Decimal Inch)	2.38
Overall Length (Decimal Inch)	5.5100
TIR (Decimal Inch)	0.0002

$536.08

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Guhring - End Mill Holder Accessory - M8 Screw

Item #: 53741260
Brand: Guhring
Model #: 9049050080150
Exact Tooling IR#: 04

Product Specifications
Screw Size	M8

$11.65

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Accupro - HSK100A Taper Shank, 1-1/4" Hole Diam x 2.717" Nose Diam Milling Chuck - 4.528" Projection, 0.0002" TIR, Through-Spindle Coolant, Balanced to 10,000 RPM

Item #: 80266869
Brand: Accupro
Exact Tooling IR#: 04

Product Specifications
Taper Size	HSK100A
Shank Type	Taper Shank
Hole Diameter (Decimal Inch)	1.2500
Nose Diameter (Decimal Inch)	2.7170
Projection (Decimal Inch)	4.5280
Through Coolant	No
Overall Length (Decimal Inch)	4.5280
Balanced to (RPM)	10000
TIR (Decimal Inch)	0.0002
Coolant Type	Through-Spindle

$994.33

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HAIMER - C Style, BT40 Taper, M16x2 Thread, 45° Angle Radius, High Torque Retention Knob - 2.362" OAL, 0.5906" Knob Diam, 1.1024" Flange Thickness, 1.3779" from Knob to Flange, 0.6693" Pilot Diam, 0.1378" Coolant Hole, Through Coolant

Item #: 55736433
Brand: HAIMER
Model #: 88.605.40
Exact Tooling IR#: 04

Features and Benefits

High torque knobs improve the fit of the toolholder with the spindle. They prevent the small end of the toolholder from expanding by using a precision pilot and place the force of the threads into a deeper cross-section of material in the toolholder.

Product Specifications
Type	High Torque
Taper Size	BT40
Thread Size	M16x2
Angle Radius	45.00
Knob Diameter (Decimal Inch)	0.5906
Through Coolant	Yes
Style	C
Neck Diameter (Decimal Inch)	0.3937
Pilot Diameter (Decimal Inch)	0.6693
Overall Length (Decimal Inch)	2.3620
Knob to Flange Length (Decimal Inch)	1.3779
Flange Thickness (Decimal Inch)	1.1024
Coolant Hole Diameter (Decimal Inch)	0.1378

Product Specifications

Type High Torque

Taper Size BT40

Thread Size M16x2

Angle Radius 45.00

Knob Diameter (Decimal Inch) 0.5906

Through Coolant Yes

Style C

Neck Diameter (Decimal Inch) 0.3937

Pilot Diameter (Decimal Inch) 0.6693

Overall Length (Decimal Inch) 2.3620

Knob to Flange Length (Decimal Inch) 1.3779

Flange Thickness (Decimal Inch) 1.1024

Coolant Hole Diameter (Decimal Inch) 0.1378

$42.14

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Seco - C6, 3.8583 Inch Long, Modular Tool Holding Extension - 2.4803 Inch Body Diameter

Item #: 79473757
Brand: Seco
Model #: 26220
Exact Tooling IR#: 04

Product Specifications
Connection Size	C6
Extension Length (mm)	98.00
Extension Length (Decimal Inch)	3.8583
Body Diameter (mm)	63.00
Body Diameter (Decimal Inch)	2.4803

$487.08

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Techniks - Retention Knobs Type: Standard Taper Size: CAT40

Item #: 10122430
Brand: Techniks
Model #: 21006-15C
Exact Tooling IR#: 04

Features and Benefits

Retention knobs, also known as pull studs, are threaded components that enable the mounting of a toolholder to the spindle of a CNC milling machine. Retention knobs are held in the machine by a clamp or spring.

Product Specifications

Retention Knobs; Type: Standard ; Taper Size: CAT40 ; Thread Size: 5/8-11 ; Angle Radius: 15.00 ; Knob Diameter (Decimal Inch): 0.7500 ; Through Coolant: Yes

Type Standard

Taper Size CAT40

Thread Size 5/8-11

Angle Radius 15.00

Knob Diameter (Decimal Inch) 0.7500

Through Coolant Yes

Overall Length (Decimal Inch) 1.8800

$25.74

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Guhring - Milling Chuck Sleeve - 5/8" Compatible Hole Diam

Item #: 94601309
Brand: Guhring
Model #: 9042360090200
Exact Tooling IR#: 04

Product Specifications
Type	Milling Chuck Sleeve
Compatible Hole Diameter (mm)	15.87
Compatible Hole Diameter (Inch)	5/8

$126.29

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