We ship from multiple warehouses throughout the USA
to get you what you need as fast as possible!
Millions of items in stock!
Fast online checkout - No account required
Cart 0

Copper / Plastic / Steel Flanges - (20119 Products)


Sumitomo - CAT40 Taper, 5/8-11 Thread, 60° Angle Radius, Standard Retention Knob - 0.59" Knob Diam, 0.12" Flange Thickness, 1.26" from Knob to Flange, Through Coolant


Item #: 53934998
Brand: Sumitomo
Model #: U102294
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 CAT40
Thread Size 5/8-11
Angle Radius 60.00
Knob Diameter (Decimal Inch) 0.5900
Through Coolant Yes
Knob to Flange Length (Decimal Inch) 1.2600
Flange Thickness (Decimal Inch) 0.1200

$35.15

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Tungaloy - A Style, CAT50 Taper, 1-8 Thread, 45° Angle Radius, Standard Retention Knob - 2.3" OAL, 1.14" Knob Diam, 1" from Knob to Flange


Item #: 47632609
Brand: Tungaloy
Model #: 4503118
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) 1.1400
Through Coolant No
Style A
Overall Length (Decimal Inch) 2.3000
Knob to Flange Length (Decimal Inch) 1.0000

$28.71

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Parlec - C Style, BT50 Taper, M24x3 Thread, 45° Angle Radius, Standard Retention Knob - 3.34" OAL, 0.904" Knob Diam, 0.39" Flange Thickness, 1.77" from Knob to Flange, 0.983" Pilot Diam


Item #: 84930023
Brand: Parlec
Model #: 5003TRK
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 BT50
Thread Size M24x3
Angle Radius 45.00
Knob Diameter (Decimal Inch) 0.9040
Through Coolant No
Style C
Neck Diameter (Decimal Inch) 0.6670
Pilot Diameter (Decimal Inch) 0.9830
Overall Length (Decimal Inch) 3.3400
Knob to Flange Length (Decimal Inch) 1.7700
Flange Thickness (Decimal Inch) 0.3900

$42.13

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Parlec - BT30 Taper, M12x1.75 Thread, 45° Angle Radius, Standard Retention Knob - 1.42" OAL, 0.393" Knob Diam, 0.787" from Knob to Flange


Item #: 43904986
Brand: Parlec
Model #: 3002TRK
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 45.00
Knob Diameter (Decimal Inch) 0.3930
Through Coolant No
Neck Diameter (Decimal Inch) 0.2360
Overall Length (Decimal Inch) 1.4200
Knob to Flange Length (Decimal Inch) 0.7870

$43.28

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Sumitomo - CAT50 Taper, 1-8 Thread, 15° Angle Radius, Standard Retention Knob - 1.1" Knob Diam, 0.2" Flange Thickness, 1.35" from Knob to Flange, Through Coolant


Item #: 53935060
Brand: Sumitomo
Model #: U102361
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 15.00
Knob Diameter (Decimal Inch) 1.1000
Through Coolant Yes
Knob to Flange Length (Decimal Inch) 1.3500
Flange Thickness (Decimal Inch) 0.2000

$145.19

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Sumitomo - CAT50 Taper, 1-8 Thread, 90° Angle Radius, Standard Retention Knob - 0.9" Knob Diam, 0.39" Flange Thickness, 1.77" from Knob to Flange, Through Coolant


Item #: 53925376
Brand: Sumitomo
Model #: U102375
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 90.00
Knob Diameter (Decimal Inch) 0.9000
Through Coolant Yes
Knob to Flange Length (Decimal Inch) 1.7700
Flange Thickness (Decimal Inch) 0.3900

$116.19

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Parlec - A Style, CAT50 Taper, 1-8 Thread, 45° Angle Radius, Standard Retention Knob - 2.54" OAL, 1.14" Knob Diam, 0.2" Flange Thickness, 1" from Knob to Flange, 1.026" Pilot Diam


Item #: 01401876
Brand: Parlec
Model #: 50NTRK
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) 1.1400
Through Coolant No
Style A
Neck Diameter (Decimal Inch) 0.8200
Pilot Diameter (Decimal Inch) 1.0260
Overall Length (Decimal Inch) 2.5400
Knob to Flange Length (Decimal Inch) 1.0000
Flange Thickness (Decimal Inch) 0.2000

$30.20

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Accupro - C Style, CAT40 Taper, 5/8-11 Thread, 60° Angle Radius, High Torque Retention Knob - 2-1/4" OAL, 0.5906" Knob Diam, 0.9882" Flange Thickness, 1.2637" from Knob to Flange


Item #: 55833313
Brand: Accupro
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 CAT40
Thread Size 5/8-11
Angle Radius 60.00
Knob Diameter (Decimal Inch) 0.5906
Through Coolant No
Style C
Neck Diameter (Decimal Inch) 0.3937
Overall Length (Decimal Inch) 2.2480
Knob to Flange Length (Decimal Inch) 1.2637
Flange Thickness (Decimal Inch) 0.9882

$41.27

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

HAIMER - CAT50 Taper, 1-8 Thread, 30° Angle Radius, Standard Retention Knob - 3.35" OAL, 0.91" Knob Diam, 1.3839" Flange Thickness, 3.35" from Knob to Flange, 0.67" Pilot Diam, 0.335" Coolant Hole, Through Coolant


Item #: 52240660
Brand: HAIMER
Model #: 88.615.50
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 30.00
Knob Diameter (Decimal Inch) 0.9100
Through Coolant Yes
Pilot Diameter (Decimal Inch) 0.6700
Overall Length (Decimal Inch) 3.3500
Knob to Flange Length (Decimal Inch) 3.3500
Flange Thickness (Decimal Inch) 1.3839
Coolant Hole Diameter (Decimal Inch) 0.3350

$159.07

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Iscar - DIN69871-40 Taper, M16x2 Thread, 15° Angle Radius, Standard Retention Knob - 2.0866" OAL, 0.8307" Knob Diam, 63/64" from Knob to Flange


Item #: 30712574
Brand: Iscar
Model #: 4503122
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 DIN69871-40
Thread Size M16x2
Angle Radius 15.00
Knob Diameter (Decimal Inch) 0.8307
Through Coolant No
Neck Diameter (Decimal Inch) 0.9843
Overall Length (Decimal Inch) 2.0866
Knob to Flange Length (Decimal Inch) 0.9843

$31.28

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Parlec - C Style, BT50 Taper, M24x3 Thread, 45° Angle Radius, Standard Retention Knob - 3.34" OAL, 0.904" Knob Diam, 0.39" Flange Thickness, 1.77" from Knob to Flange, 0.983" Pilot Diam, 1/4" Coolant Hole, Through Coolant


Item #: 01401850
Brand: Parlec
Model #: 5003TRKC
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 BT50
Thread Size M24x3
Angle Radius 45.00
Knob Diameter (Decimal Inch) 0.9040
Through Coolant Yes
Style C
Neck Diameter (Decimal Inch) 0.6670
Pilot Diameter (Decimal Inch) 0.9830
Overall Length (Decimal Inch) 3.3400
Knob to Flange Length (Decimal Inch) 1.7700
Flange Thickness (Decimal Inch) 0.3900
Coolant Hole Diameter (Decimal Inch) 0.2500

$54.45

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

HAIMER - BT30 Taper, M16x2 Thread, 30° Angle Radius, Standard Retention Knob - 0.5906" Knob Diam, 1.1024" Flange Thickness


Item #: 52224888
Brand: HAIMER
Model #: 88.604.40
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 BT30
Thread Size M16x2
Angle Radius 30.00
Knob Diameter (Decimal Inch) 0.5906
Through Coolant No
Flange Thickness (Decimal Inch) 1.1024

$50.99

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Kennametal - BTKV40 Taper Shank, 104mm Diameter, Tool Holder Blank - 199mm Projection Flange to Nose End, 200mm Projection Gage Line to Nose End


Item #: 91983726
Brand: Kennametal
Model #: 3815363
Exact Tooling IR#: 04

Features and Benefits

Taper shanks maintain balance and rigidity during high speeds and heavy-duty applications. They have smaller diameters than straight shanks.
Product Specifications
Shank Type Taper Shank
Taper Size BTKV40
Blank Diameter (mm) 104.00
Blank Diameter (Decimal Inch) 4.0945
Projection Gage Line to Nose End (Decimal Inch) 7.8740
Projection Gage Line to Nose End (mm) 200.00
Projection Flange to Nose End (mm) 199.00

$1,048.80

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Seco - BT30 Taper, M12x1.75 Thread, 45° Angle Radius, Standard Retention Knob - 1.693" OAL, 0.433" Knob Diam, 29/32" from Knob to Flange, Through Coolant


Item #: 38380028
Brand: Seco
Model #: 03119887
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 45.00
Knob Diameter (Decimal Inch) 0.4330
Through Coolant Yes
Neck Diameter (Decimal Inch) 0.2760
Overall Length (Decimal Inch) 1.6930
Knob to Flange Length (Decimal Inch) 0.9060

$26.43

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Iscar - BT50 Taper Shank, 1-1/4" Hole Diam x 2.717" Nose Diam Milling Chuck - 5.315" Projection, 0.0001" TIR, Through-Spindle & DIN Flange Coolant,


Item #: 30715312
Brand: Iscar
Model #: 4504923
Exact Tooling IR#: 04

Product Specifications
Taper Size BT50
Shank Type Taper Shank
Hole Diameter (Inch) 1-1/4
Hole Diameter (Decimal Inch) 1.2500
Nose Diameter (Decimal Inch) 2.7170
Projection (Decimal Inch) 5.3150
Through Coolant Yes
TIR (Decimal Inch) 0.0001
Coolant Type Through-Spindle & DIN Flange

$791.01

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

HAIMER - C Style, BT40 Taper, M16x2 Thread, 15° Angle Radius, High Torque Retention Knob - 2-1/8" OAL, 3/4" Knob Diam, 0.9055" Flange Thickness, 1.14" from Knob to Flange, 0.6693" Pilot Diam


Item #: 55736482
Brand: HAIMER
Model #: 88.701.40
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 15.00
Knob Diameter (Decimal Inch) 0.7480
Through Coolant No
Style C
Neck Diameter (Decimal Inch) 0.5511
Pilot Diameter (Decimal Inch) 0.6693
Overall Length (Decimal Inch) 2.1260
Knob to Flange Length (Decimal Inch) 1.1400
Flange Thickness (Decimal Inch) 0.9055

$69.34

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Kennametal - DIN69871-50 Taper Shank, 25mm Hole Diam x 2.4016" Nose Diam Milling Chuck - 3.5433" Projection, 0.0001" TIR, Through-Spindle & DIN Flange Coolant, Balanced to 20,000 RPM


Item #: 30733604
Brand: Kennametal
Model #: 3523092
Exact Tooling IR#: 04

Product Specifications
Taper Size DIN69871-50
Shank Type Taper Shank
Hole Diameter (mm) 25.00
Hole Diameter (Decimal Inch) 0.9843
Nose Diameter (mm) 61.00
Nose Diameter (Decimal Inch) 2.4016
Projection (mm) 90.00
Projection (Decimal Inch) 3.5433
Through Coolant Yes
Clamping Depth (Decimal Inch) 2.1654
Balanced to (RPM) 20000
TIR (Decimal Inch) 0.0001
Coolant Type Through-Spindle & DIN Flange

$800.50

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Dorian Tool - F Style, CAT40 Taper, 5/8-11 Thread, 15° Angle Radius, Standard Retention Knob - 2" OAL, 0.747" Knob Diam, 0.157" Flange Thickness, 1.024" from Knob to Flange, 0.641" Pilot Diam, 9/32" Coolant Hole, Through Coolant


Item #: 47151485
Brand: Dorian Tool
Model #: 73310147343
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 CAT40
Thread Size 5/8-11
Angle Radius 15.00
Knob Diameter (Decimal Inch) 0.7470
Through Coolant Yes
Style F
Neck Diameter (Decimal Inch) 0.5490
Pilot Diameter (Decimal Inch) 0.6410
Overall Length (Decimal Inch) 2.0040
Knob to Flange Length (Decimal Inch) 1.0240
Flange Thickness (Decimal Inch) 0.1570
Coolant Hole Diameter (Decimal Inch) 0.2810

$36.03

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Kennametal - DIN69871-40 Taper Shank, 25mm Hole Diam x 2.4016" Nose Diam Milling Chuck - 3.7402" Projection, 0.0002" TIR, Through-Spindle & DIN Flange Coolant, Balanced to 20,000 RPM


Item #: 30733539
Brand: Kennametal
Model #: 3523086
Exact Tooling IR#: 04

Product Specifications
Taper Size DIN69871-40
Shank Type Taper Shank
Hole Diameter (mm) 25.00
Hole Diameter (Decimal Inch) 0.9843
Nose Diameter (mm) 61.00
Nose Diameter (Decimal Inch) 2.4016
Projection (mm) 95.00
Projection (Decimal Inch) 3.7402
Through Coolant Yes
Clamping Depth (Decimal Inch) 2.1654
Balanced to (RPM) 20000
TIR (Decimal Inch) 0.0002
Coolant Type Through-Spindle & DIN Flange

$729.72

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Parlec - C Style, BT30 Taper, M12x1.75 Thread, 60° Angle Radius, Standard Retention Knob - 1.7" OAL, 0.43" Knob Diam, 0.19" Flange Thickness, 0.908" from Knob to Flange, 0.49" Pilot Diam


Item #: 01401611
Brand: Parlec
Model #: 3004TRK
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) 0.4300
Through Coolant No
Style C
Neck Diameter (Decimal Inch) 0.2730
Pilot Diameter (Decimal Inch) 0.4900
Overall Length (Decimal Inch) 1.7000
Knob to Flange Length (Decimal Inch) 0.9080
Flange Thickness (Decimal Inch) 0.1900

$34.18

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It